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Dr. John C. Affeldt, MD

(50 Ratings)

Specializes in: Eye Disease Ophthalmology (Corneal and External Diseases)

University of Southern California (USC), Keck School of Medicine

Professional interests include: cornea transplant (keratoplasty), eye trauma, ocular surface disease, and more.

11234 Anderson Street
Loma Linda, CA 92354

(909) 558-2154

Dr. John C. Affeldt, MD is a cornea specialist in Loma Linda, CA specializing in eye disease ophthalmology (corneal and external diseases). He graduated from University of Southern California (USC), Keck School of Medicine. Dr. John C. Affeldt, MD is affiliated with Loma Linda University Health, Dignity Health, Loma Linda University Faculty Medical Clinics, Loma Linda University Medical Center, Loma Linda University Children's Hospital and Loma Linda University Riverwalk Clinics.

Office Locations

11234 Anderson Street
Loma Linda, CA 92354

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11370 Anderson Street Suite 1800
Loma Linda, CA 92354

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2195 Club Center Drive Suite L
San Bernardino, CA 92408

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4244 Riverwalk Parkway #100, Suite 100
Riverside, CA 92506

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81 S Highland Springs Avenue Suite 301
Beaumont, CA 92223

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2012 were eye procedures, lacrimal (tearing system) procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	42
doctor visit	706
eye procedures	236
lacrimal (tearing system) procedures	80

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2013 were eye procedures, lacrimal (tearing system) procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	31
doctor visit	829
eye procedures	76
lacrimal (tearing system) procedures	56

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	123
Female	239

**Ethnicity**
Non-Hispanic White	197
Black	27
Hispanic	102
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	116
85 and over	59
Less than 65	56

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2013

Hypertension	64
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	38
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2014 were eye procedures, lacrimal (tearing system) procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	18
doctor visit	721
eye procedures	68
lacrimal (tearing system) procedures	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	91
Female	237

**Ethnicity**
Non-Hispanic White	181
Black	28
Hispanic	88
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	119
85 and over	47
Less than 65	47

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2014

Hypertension	67
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	12
Atrial Fibrilation	6
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2015 were lacrimal (tearing system) procedures and eye procedures.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

doctor visit	737
eye procedures	27
lacrimal (tearing system) procedures	27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	176
Female	458

**Ethnicity**
Non-Hispanic White	332
Black	66
Hispanic	160
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	230
85 and over	98
Less than 65	92

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2015

Hypertension	65
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2016 were lacrimal (tearing system) procedures and eye procedures.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

doctor visit	707
eye procedures	25
lacrimal (tearing system) procedures	25

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	104
Female	241

**Ethnicity**
Non-Hispanic White	175
Black	30
Hispanic	98
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	118
85 and over	53
Less than 65	56

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2016

Hypertension	70
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	35
Asthma	18
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2017 were eye procedures and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

doctor visit	851
eye procedures	55
lacrimal (tearing system) procedures	43

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	113
Female	279

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	98
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	146
85 and over	59
Less than 65	61

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2017

Hypertension	63
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2018 were lacrimal (tearing system) procedures, eye procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	39
doctor visit	869
eye procedures	102
lacrimal (tearing system) procedures	102

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	112
Female	266

**Ethnicity**
Non-Hispanic White	200
Black	0
Hispanic	102
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	140
85 and over	56
Less than 65	59

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2018

Hypertension	67
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2019 were lacrimal (tearing system) procedures, eye procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	27
doctor visit	800
eye procedures	83
lacrimal (tearing system) procedures	83

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	130
Female	283

**Ethnicity**
Non-Hispanic White	222
Black	38
Hispanic	108
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	144
85 and over	68
Less than 65	65

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2019

Hypertension	64
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2020 were lacrimal (tearing system) procedures, eye procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	29
doctor visit	582
eye procedures	29
lacrimal (tearing system) procedures	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	82
Female	224

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	71
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	108
85 and over	47
Less than 65	42

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2020

Hypertension	59
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2021 were lacrimal (tearing system) procedures, eye procedures and ablation.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

ablation	33
doctor visit	684
eye procedures	86
lacrimal (tearing system) procedures	86

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	83
Female	249

**Ethnicity**
Non-Hispanic White	186
Black	30
Hispanic	78
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	118
85 and over	51
Less than 65	40

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2021

Hypertension	64
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	26
Depression	24
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	16
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA during 2022 were lacrimal (tearing system) procedures and eye procedures.

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

doctor visit	700
eye procedures	42
lacrimal (tearing system) procedures	42

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	103
Female	247

**Ethnicity**
Non-Hispanic White	196
Black	23
Hispanic	83
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	126
85 and over	44
Less than 65	48

Conditions of Medicare patients treated by Dr. John C. Affeldt, MD in 2022

Hypertension	71
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	26
Asthma	14
Osteoperosis	25
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	39
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John C. Affeldt, MD for Medicare patients.

The highest averages for the top procedures that Dr. John C. Affeldt, MD treated as a cornea specialist in Loma Linda, CA were eye procedures, lacrimal (tearing system) procedures and ablation.

ablation	31
doctor visit	744
eye procedures	75
lacrimal (tearing system) procedures	55

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John C. Affeldt, MD.

**Gender**
Male	101
Female	247

**Ethnicity**
Black / African American	22
Asian / Pacific Islander	17
Non-Hispanic White	188
Native American / Alaskan Native	0
Hispanic	89
Other	0

**Age**
75 to 84	124
85 and over	52
Less than 65	51
65 to 74	120

Average of Total of Conditions of Medicare patients treated by Dr. John C. Affeldt, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John C. Affeldt, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	59
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	26
Asthma	10
Osteoporosis	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Atrial Fibrillation	8
Dementia	7
Cancer	9

Education & Training

Dr. John C. Affeldt, MD graduated from University of Southern California (USC), Keck School of Medicine. He completed residency at Doheny Eye Institute. He is certified by the American Board of Ophthalmology, Ophthalmology and has a state license in California.

Medical School: University of Southern California (USC), Keck School of Medicine

Residency: Doheny Eye Institute

Board Certification: American Board of Ophthalmology, Ophthalmology

Licensed In: California

Affiliations & Hospitals

Dr. John C. Affeldt, MD is associated with these hospitals and organizations:

Loma Linda University Health

Dignity Health

Loma Linda University Faculty Medical Clinics

Loma Linda University Medical Center

Loma Linda University Children's Hospital

Loma Linda University Riverwalk Clinics

Ratings & Reviews

Dr. John C. Affeldt, MD has an exceptional overall rating with an average of 4.98 out of 5 stars based on 50 ratings. We collect ratings and reviews of Dr. John C. Affeldt, MD from all over the web to help you find the right in Loma Linda, CA.

4.98

Overall Rating

(50 Ratings)

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General Payments

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

**Payments by Company**
Mallinckrodt Hospital Products Inc.	$281,452 ACTHAR $281,452
Valeant Pharmaceuticals North America LLC	$173,295 BESIVANCE $85,585	LOTEMAX GEL $37,475	PROLENSA $27,424	ZYLET $7,388	BEPREVE $6,714	Other $8,709
Shire North American Group Inc	$120,661 XIIDRA $110,728	$9,933
Dompe US, Inc.	$119,366 Oxervate $119,366
Mallinckrodt Enterprises LLC	$72,297 ACTHAR $72,297
Other	$292,647 BESIVANCE $47,054	CEQUA $35,342	ACTHAR $33,784	RESTASIS $33,140	LOTEMAX GEL $31,712	Other $111,616

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$487,085
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$191,050
Travel and Lodging	$165,753
Consulting Fee	$69,575
Compensation for serving as faculty or as a speaker for a medical education program	$61,089
Other	$85,166

Research Payments

Dr. John C. Affeldt, MD has received 3 research payments totaling $10,286.

Biography

Dr. John Affeldt is an eye disease ophthalmology (corneal and external diseases) specialist in Loma Linda, CA, Riverside, CA, and Beaumont, CA. On average, patients gave him a rating of 5.0 stars (out of 5). Dr. Affeldt's areas of expertise include eye trauma, dry eyes, and cornea transplant (keratoplasty). His hospital/clinic affiliations include Loma Linda University Health and Dignity Health. Dr. Affeldt is not accepting new patients at this time according to Dignity Health. Before performing his residency at Doheny Eye Institute and Los Angeles County+USC Medical Center, Dr. Affeldt attended the University of Southern California (USC), Keck School of Medicine.