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Dr. Peter Louis Gehlbach, PhD, MD

(Peter L Gehlbach MD, PhD)

(No ratings)

Specializes in: Ophthalmology (Eye Disease)

1800 Orleans Street Maumenee Lobby
Baltimore, MD 21287

(410) 955-5080

Dr. Peter Louis Gehlbach, PhD, MD is an ophthalmologist in Baltimore, MD specializing in ophthalmology (eye disease). Dr. Peter Louis Gehlbach, PhD, MD is affiliated with Johns Hopkins University School of Medicine and The Johns Hopkins Hospital.

Office Locations

1800 Orleans Street Maumenee Lobby
Baltimore, MD 21287

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In The News

“The power output, rather than being 5 milliwatts, can be 10, 50 or even higher," said Dr. Peter Gehlbach, director of the Wilmer Echography Center and professor of ophthalmology at the Johns...”—"Laser pointer burns hole in boy's retina", CNN, June 2018

“"The bottom line for people worried about age-related macular degeneration is that there is a modifiable risk factor that is very, very strong, and that's smoking," said Dr. Peter Gehlbach, an...”—"Lighting up may lead to blindness", NBC News, May 2011

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2012 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	382
eye procedures	2994
injections	283
ultrasound (sonogram)	397

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2013 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	635
eye procedures	3341
injections	209
ultrasound (sonogram)	746

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	539
Female	739

**Ethnicity**
Non-Hispanic White	804
Black	400
Hispanic	20
Asian	31
Other	23
Native American	0

**Age**
From 65 to 74	515
From 75 to 84	424
85 and over	193
Less than 65	146

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2013

Hypertension	70
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2014 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	599
eye procedures	3495
injections	304
ultrasound (sonogram)	744

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	451
Female	620

**Ethnicity**
Non-Hispanic White	584
Black	405
Hispanic	0
Asian	28
Other	27
Native American	0

**Age**
From 65 to 74	425
From 75 to 84	348
85 and over	147
Less than 65	151

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2014

Hypertension	71
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	40
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2015 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	539
eye procedures	3548
injections	349
ultrasound (sonogram)	652

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	928
Female	1210

**Ethnicity**
Non-Hispanic White	1210
Black	750
Hispanic	50
Asian	76
Other	52
Native American	0

**Age**
From 65 to 74	854
From 75 to 84	678
85 and over	264
Less than 65	342

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2015

Hypertension	67
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	39
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2016 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	598
eye procedures	3751
injections	388
ultrasound (sonogram)	733

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	475
Female	586

**Ethnicity**
Non-Hispanic White	637
Black	340
Hispanic	32
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	441
From 75 to 84	326
85 and over	145
Less than 65	149

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2016

Hypertension	70
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	28
Asthma	14
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2017 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	576
eye procedures	3277
injections	311
ultrasound (sonogram)	711

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	485
Female	585

**Ethnicity**
Non-Hispanic White	632
Black	343
Hispanic	0
Asian	34
Other	32
Native American	0

**Age**
From 65 to 74	481
From 75 to 84	326
85 and over	127
Less than 65	136

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2017

Hypertension	69
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2018 were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	312
eye procedures	2716
injections	244
ultrasound (sonogram)	363

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	369
Female	470

**Ethnicity**
Non-Hispanic White	535
Black	227
Hispanic	26
Asian	30
Other	21
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	276
85 and over	104
Less than 65	99

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2018

Hypertension	72
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	35
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2019 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	35
eye procedures	2145
injections	225
ultrasound (sonogram)	35

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	277
Female	324

**Ethnicity**
Non-Hispanic White	399
Black	138
Hispanic	21
Asian	17
Other	26
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	214
85 and over	92
Less than 65	54

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2019

Hypertension	70
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2020 were eye procedures and injections.

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

eye procedures	1541
injections	215

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	226
Female	238

**Ethnicity**
Non-Hispanic White	304
Black	115
Hispanic	14
Asian	12
Other	19
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	175
85 and over	55
Less than 65	43

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2020

Hypertension	67
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	36
Depression	18
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	36
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2021 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	25
eye procedures	2090
injections	270
ultrasound (sonogram)	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	278
Female	308

**Ethnicity**
Non-Hispanic White	364
Black	155
Hispanic	0
Asian	27
Other	20
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	201
85 and over	78
Less than 65	60

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2021

Hypertension	69
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	8
Diabetes	36
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2022 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	41
eye procedures	2422
injections	326
ultrasound (sonogram)	41

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	320
Female	352

**Ethnicity**
Non-Hispanic White	400
Black	196
Hispanic	17
Asian	29
Other	30
Native American	0

**Age**
From 65 to 74	282
From 75 to 84	243
85 and over	76
Less than 65	71

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	4
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2023 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	23
eye procedures	1885
injections	266
ultrasound (sonogram)	23

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	217
Female	253

**Ethnicity**
Non-Hispanic White	287
Black	124
Hispanic	15
Asian	23
Other	21
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	189
85 and over	48
Less than 65	43

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	40
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD during 2024 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

diagnostic imaging	14
eye procedures	1682
injections	241
ultrasound (sonogram)	14

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	186
Female	222

**Ethnicity**
Non-Hispanic White	250
Black	106
Hispanic	13
Asian	17
Other	22
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	167
85 and over	42
Less than 65	37

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	41
Dementia	7
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Peter Louis Gehlbach, PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter Louis Gehlbach, PhD, MD treated as an ophthalmologist in Baltimore, MD were eye procedures, ultrasound (sonogram), diagnostic imaging and injections.

diagnostic imaging	314
eye procedures	2683
injections	279
ultrasound (sonogram)	373

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD.

**Gender**
Male	365
Female	454

**Ethnicity**
Black / African American	253
Asian / Pacific Islander	27
Non-Hispanic White	492
Native American / Alaskan Native	0
Hispanic	16
Other	22

**Age**
75 to 84	274
85 and over	105
Less than 65	102
65 to 74	337

Average of Total of Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Peter Louis Gehlbach, PhD, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	65
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	34
Atrial Fibrillation	11
Cancer	13
Dementia	7

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Affiliations & Hospitals

Dr. Peter Louis Gehlbach, PhD, MD is associated with these hospitals and organizations:

Johns Hopkins University School of Medicine

The Johns Hopkins Hospital

Ratings & Reviews

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General Payments

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

**Payments by Company**
W. L. Gore & Associates, Inc.	$290 Product in Development $290
Dutch Ophthalmic, USA	$250 EVA Ophthalmic Surgical System $250
Alcon Laboratories Inc	$198 VitreoretinalEquipment $105	Constellation $93
Carl Zeiss Meditec, Inc.	$148 CLARUS 500 Fundus Camera $148
Genentech, Inc.	$100 $100
Other	$170 LUCENTIS $76	CLAREON $52	$42

**Types of Payments**
Food and Beverage	$867
Consulting Fee	$290

Biography

Dr. Peter Gehlbach's medical specialty is ophthalmology (eye disease). He is professionally affiliated with Johns Hopkins Hospital and Johns Hopkins University School of Medicine. Dr. Gehlbach graduated from the University of Vermont College of Medicine.

Select Year:

Dr. Peter Louis Gehlbach, PhD, MD

Office Locations

In The News

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. Peter Louis Gehlbach, PhD, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Louis Gehlbach, PhD, MD 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. Peter Louis Gehlbach, PhD, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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