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Home > AZ Providers > Mohs Surgeons

Dr. John Z S Chen, MD, FAAD

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Specializes in: MOHS-Micrographic Surgery

1595 E River Road Suite 201
Tucson, AZ 85718

(520) 293-5757

Dr. John Z S Chen, MD, FAAD is a mohs skin cancer surgeon in Tucson, AZ specializing in mohs-micrographic surgery. Dr. John Z S Chen, MD, FAAD is affiliated with SHEFTEL AND ASSOCIATES DERMATOLOGY LLP and FOREFRONT DERMATOLOGY SC.

Office Locations

1595 E River Road Suite 201
Tucson, AZ 85718

(520) 293-5757

(520) 293-7358

open_in_new

1920 W Rudasill Road
Tucson, AZ 85704

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Noteworthy Medicare Patient Procedures Performed by Dr. John Z S Chen, MD, FAAD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

cancer surgery

In 2024, Dr. John Z S Chen, MD, FAAD had a list price for cancer surgery that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Arizona. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

cancer surgery

removal of skin lesion

skin surgery

By Affordability:

Mohs surgery

skin cancer removal

skin cancer surgery

In 2012, among providers in related specialties within Arizona, Dr. John Z S Chen, MD, FAAD performed more cancer surgery, removal of skin lesion (growth or mark), and skin surgery procedures for Medicare patients than 75% of them and he also had a list price for Mohs surgery, skin cancer removal, and skin cancer surgery that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2012 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	3457
consultation	146
diagnostic procedures	134
doctor visit	400
plastic surgery procedures	380
reconstructive surgery	380
removal of lesion (e.g. growth)	3457
skin procedures	3457
skin surgery	3457
tissue transfer	380
wound repair (e.g. stitches)	380

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2013 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	3191
consultation	184
diagnostic procedures	193
doctor visit	495
ear procedures	18
plastic surgery procedures	386
reconstructive surgery	386
removal of lesion (e.g. growth)	3191
skin procedures	3191
skin surgery	3191
tissue transfer	386
wound repair (e.g. stitches)	386

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	394
Female	253

**Ethnicity**
Non-Hispanic White	611
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	249
85 and over	84
Less than 65	16

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2013

Hypertension	58
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	30
Depression	11
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2014 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	2949
consultation	156
diagnostic procedures	160
doctor visit	408
ear procedures	13
plastic surgery procedures	339
reconstructive surgery	339
removal of lesion (e.g. growth)	2949
skin procedures	2949
skin surgery	2949
tissue transfer	339
wound repair (e.g. stitches)	339

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	423
Female	247

**Ethnicity**
Non-Hispanic White	645
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	284
From 75 to 84	274
85 and over	98
Less than 65	14

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2014

Hypertension	58
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	27
Depression	9
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2015 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	2681
consultation	111
diagnostic procedures	110
doctor visit	471
ear procedures	12
plastic surgery procedures	290
reconstructive surgery	290
removal of lesion (e.g. growth)	2681
skin procedures	2681
skin surgery	2681
tissue transfer	290
wound repair (e.g. stitches)	290

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	888
Female	488

**Ethnicity**
Non-Hispanic White	1312
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	626
From 75 to 84	538
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2015

Hypertension	58
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	24
Depression	11
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2016 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	2628
consultation	96
diagnostic procedures	87
doctor visit	468
plastic surgery procedures	228
reconstructive surgery	228
removal of lesion (e.g. growth)	2628
skin procedures	2628
skin surgery	2628
tissue transfer	228
wound repair (e.g. stitches)	228

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	438
Female	259

**Ethnicity**
Non-Hispanic White	667
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	283
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2016

Hypertension	57
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2017 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	2536
consultation	133
diagnostic procedures	128
doctor visit	407
plastic surgery procedures	225
reconstructive surgery	225
removal of lesion (e.g. growth)	2536
skin procedures	2536
skin surgery	2536
tissue transfer	225
wound repair (e.g. stitches)	225

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	438
Female	264

**Ethnicity**
Non-Hispanic White	668
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	312
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2017

Hypertension	58
High Cholesterol	48
Stroke	4
Ischemic Heart Disease	28
Depression	12
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2018 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	1569
consultation	51
diagnostic procedures	49
doctor visit	210
plastic surgery procedures	118
reconstructive surgery	118
removal of lesion (e.g. growth)	1569
skin procedures	1569
skin surgery	1569
tissue transfer	118
wound repair (e.g. stitches)	118

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	278
Female	212

**Ethnicity**
Non-Hispanic White	462
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	228
85 and over	68
Less than 65	12

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2018

Hypertension	62
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2019 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	564
doctor visit	154
plastic surgery procedures	13
reconstructive surgery	13
removal of lesion (e.g. growth)	564
skin procedures	564
skin surgery	564
tissue transfer	13
wound repair (e.g. stitches)	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	143
Female	90

**Age**
From 65 to 74	90
From 75 to 84	95
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2019

Hypertension	55
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2020 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	305
doctor visit	63
removal of lesion (e.g. growth)	305
skin procedures	305
skin surgery	305

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	71
Female	35

**Age**
From 65 to 74	38
From 75 to 84	50
85 and over	18
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2020

Hypertension	54
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2021 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	439
doctor visit	64
plastic surgery procedures	11
reconstructive surgery	11
removal of lesion (e.g. growth)	439
skin procedures	439
skin surgery	439
tissue transfer	11
wound repair (e.g. stitches)	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	140
Female	80

**Ethnicity**
Non-Hispanic White	209
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	94
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2021

Hypertension	56
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2022 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	291
doctor visit	46
removal of lesion (e.g. growth)	291
skin procedures	291
skin surgery	291

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	90
Female	40

**Age**
From 65 to 74	48
From 75 to 84	56
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2022

Hypertension	63
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	18
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2023 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	571
doctor visit	96
removal of lesion (e.g. growth)	571
skin procedures	571
skin surgery	571

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	170
Female	85

**Ethnicity**
Non-Hispanic White	240
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	123
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2023

Hypertension	71
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	29
Depression	14
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	15
Atrial Fibrilation	25
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	6
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ during 2024 were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

cancer surgery	717
doctor visit	175
removal of lesion (e.g. growth)	717
skin procedures	717
skin surgery	717

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Male	206
Female	110

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	148
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2024

Hypertension	71
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Z S Chen, MD, FAAD for Medicare patients.

The highest averages for the top procedures that Dr. John Z S Chen, MD, FAAD treated as a mohs skin cancer surgeon in Tucson, AZ were removal of lesion (e.g. growth), skin surgery, skin procedures and cancer surgery.

cancer surgery	1684
consultation	125
diagnostic procedures	123
doctor visit	265
ear procedures	14
plastic surgery procedures	221
reconstructive surgery	221
removal of lesion (e.g. growth)	1684
skin procedures	1684
skin surgery	1684
tissue transfer	221
wound repair (e.g. stitches)	221

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Z S Chen, MD, FAAD.

**Gender**
Female	166
Male	283

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	393
Hispanic	6
Native American / Alaskan Native	0
Other	1

**Age**
85 and over	20
75 to 84	188
Less than 65	3
65 to 74	185

Average of Total of Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. John Z S Chen, MD, FAAD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	55
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	25
Depression	12
Chronic Kidney Disease	22
Asthma	6
Osteoporosis	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Atrial Fibrillation	14
Dementia	6
Cancer	12

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Z S Chen, MD, FAAD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boston Scientific Corporation	$804 Intracept $360	VERTIFLEX SUPERION $118	WAVEWRITER ALPHA $116	GENERAL - PAIN MANAGEMENT $74	ARTISAN $34	Other $103
Medtronic, Inc.	$133 INTELLIS ADAPTIVESTIM $133
Regeneron Healthcare Solutions, Inc.	$122 LIBTAYO $122
Otsuka America Pharmaceutical, Inc.	$100 REXULTI $100
Henry Schein, Inc.	$90 $90
Other	$90 Zilretta $23	PuraPly $19	Enbrel $18	Topicort $15	Dexmedetomidine Hydrochloride Injection Precedex 100 mcg $15

**Types of Payments**
Food and Beverage	$1,250
Gift	$90

Biography

Dr. John Chen is a specialist in MOHS-micrographic surgery. He works in Tucson, AZ. Dr. Chen obtained a license to practice in Arizona.

Select Year:

Dr. John Z S Chen, MD, FAAD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Z S Chen, MD, FAAD in 2024

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. John Z S Chen, MD, FAAD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Mohs Surgeons in Nearby Locations

Other Providers in Tucson, AZ