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Dr. Zhen Fan, MD

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Specializes in: Pathology

7601 Osler Drive
Towson, MD 21204

(410) 337-1000

Dr. Zhen Fan, MD is a pathologist in Towson, MD specializing in pathology.

Office Locations

7601 Osler Drive
Towson, MD 21204

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Noteworthy Medicare Patient Procedures Performed by Dr. Zhen Fan, MD in 2023

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

Top 10%

By Volume:

immunohistochemistry test

In 2023, Dr. Zhen Fan, MD performed more immunohistochemistry (IHC) test procedures for Medicare patients than 90% of providers in related specialties within Maryland.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2012 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	188
cytology	104
lab tests	1000
second opinions	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2013 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	177
cytology	95
lab tests	1065
second opinions	30

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	448
Female	581

**Ethnicity**
Non-Hispanic White	886
Black	105
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	428
From 75 to 84	338
85 and over	179
Less than 65	84

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	44
Depression	23
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	10
Cancer	25

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2014 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	157
cytology	76
lab tests	828
second opinions	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	420
Female	616

**Ethnicity**
Non-Hispanic White	875
Black	127
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	456
From 75 to 84	342
85 and over	155
Less than 65	83

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	42
Depression	22
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	11
Cancer	27

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2015 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	93
cytology	74
lab tests	765
second opinions	29

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	974
Female	1344

**Ethnicity**
Non-Hispanic White	1902
Black	318
Hispanic	26
Asian	30
Other	42
Native American	0

**Age**
From 65 to 74	1068
From 75 to 84	768
85 and over	306
Less than 65	176

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	35
Asthma	18
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	14
Cancer	25

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2016 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	128
cytology	97
lab tests	865
second opinions	35

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	624
Female	848

**Ethnicity**
Non-Hispanic White	1216
Black	187
Hispanic	0
Asian	19
Other	36
Native American	0

**Age**
From 65 to 74	638
From 75 to 84	498
85 and over	226
Less than 65	110

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	37
Asthma	26
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	14
Cancer	24

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2017 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	136
cytology	112
lab tests	733
second opinions	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	641
Female	802

**Ethnicity**
Non-Hispanic White	1203
Black	171
Hispanic	17
Asian	12
Other	40
Native American	0

**Age**
From 65 to 74	626
From 75 to 84	499
85 and over	214
Less than 65	104

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	43
Depression	27
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	15
Cancer	26

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2018 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	116
cytology	98
lab tests	604
second opinions	31

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	553
Female	707

**Ethnicity**
Non-Hispanic White	1017
Black	174
Hispanic	17
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	578
From 75 to 84	443
85 and over	157
Less than 65	82

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	43
Depression	28
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	13
Cancer	27

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2019 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	118
cytology	96
lab tests	540
second opinions	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	523
Female	721

**Ethnicity**
Non-Hispanic White	1010
Black	164
Hispanic	18
Asian	11
Other	41
Native American	0

**Age**
From 65 to 74	601
From 75 to 84	411
85 and over	143
Less than 65	89

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	10
Cancer	26

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2020 were lab tests, cytology, consultation and second opinions.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	59
cytology	70
lab tests	385
second opinions	17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	400
Female	533

**Ethnicity**
Non-Hispanic White	751
Black	136
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	433
From 75 to 84	324
85 and over	105
Less than 65	71

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	10
Cancer	27

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2021 were lab tests, cytology, second opinions and consultation.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	19
cytology	72
lab tests	530
second opinions	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	422
Female	604

**Ethnicity**
Non-Hispanic White	804
Black	161
Hispanic	0
Asian	14
Other	34
Native American	0

**Age**
From 65 to 74	495
From 75 to 84	340
85 and over	105
Less than 65	86

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	11
Cancer	26

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD during 2022 were lab tests, cytology, second opinions and consultation.

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

consultation	22
cytology	74
lab tests	944
second opinions	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	395
Female	837

**Ethnicity**
Non-Hispanic White	972
Black	183
Hispanic	11
Asian	17
Other	49
Native American	0

**Age**
From 65 to 74	563
From 75 to 84	462
85 and over	129
Less than 65	78

Conditions of Medicare patients treated by Dr. Zhen Fan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	9
Cancer	35

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Zhen Fan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Zhen Fan, MD treated as a pathologist in Towson, MD were lab tests, consultation, cytology and second opinions.

consultation	110
cytology	88
lab tests	750
second opinions	27

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Zhen Fan, MD.

**Gender**
Male	490
Female	690

**Ethnicity**
Black / African American	156
Asian / Pacific Islander	9
Non-Hispanic White	966
Native American / Alaskan Native	0
Hispanic	8
Other	30

**Age**
75 to 84	402
85 and over	156
Less than 65	87
65 to 74	535

Average of Total of Conditions of Medicare patients treated by Dr. Zhen Fan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Zhen Fan, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	37
Depression	24
Chronic Kidney Disease	33
Asthma	11
Osteoporosis	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Atrial Fibrillation	17
Dementia	10
Cancer	24

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Zhen Fan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Genentech USA, Inc.	$1,101 Herceptin $194	Kadcyla $102	TECENTRIQ $38	Phesgo $20	Perjeta $16	Other $730
Puma Biotechnology, Inc.	$252 Nerlynx $252
Merck Sharp & Dohme Corporation	$122 KEYTRUDA $122
Seattle Genetics, Inc.	$117 ADCETRIS $117
Boehringer Ingelheim Pharmaceuticals, Inc.	$88 Gilotrif $88
Other	$238 ENTRE $76	Abraxane $33	KEYTRUDA $32	VenaSeal $22	Revlimid $21	Other $53