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Home > OH Providers > Ophthalmologists

Dr. Jonathan David Zahler, DO

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Specializes in: Ophthalmology (Eye Disease)

Philadelphia College of Osteopathic Medicine (2006)

278 Benedict Avenue Med Park 3 Suite 300
Norwalk, OH 44857

(419) 668-8101

Dr. Jonathan David Zahler, DO is an ophthalmologist in Norwalk, OH specializing in ophthalmology (eye disease). He graduated from Philadelphia College of Osteopathic Medicine in 2006 and has 20 years of experience. Dr. Jonathan David Zahler, DO is affiliated with Firelands Health, Fisher-Titus Health and University Hospitals.

Office Locations

278 Benedict Avenue Med Park 3 Suite 300
Norwalk, OH 44857

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Noteworthy Medicare Patient Procedures Performed by Dr. Jonathan David Zahler, DO in 2023

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

Top 10%

By Affordability:

cataract surgery

cataract surgery with IOL implantation

complex cataract surgery

extracapsular cataract extraction with IOL implantation

extracapsular lens removal

intraocular lens implant

lens removal surgery

lens replacement surgery

In 2023, Dr. Jonathan David Zahler, DO had a list price for cataract surgery, cataract surgery with IOL implantation, complex cataract surgery, extracapsular cataract extraction (ECCE) with IOL implantation, extracapsular lens removal, intraocular lens (IOL) implant, lens removal surgery, and lens replacement surgery that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Ohio. 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:

extracapsular cataract extraction with IOL implantation

eye procedures

laser surgery

SCODI of the posterior segment

YAG laser capsulotomy

By Affordability:

eye injection

intraocular injection

intravitreal drug injection

intravitreal injection

simple cataract surgery

In 2012, among providers in related specialties within Ohio, Dr. Jonathan David Zahler, DO performed more extracapsular cataract extraction (ECCE) with IOL implantation, eye procedures, laser surgery, SCODI of the posterior segment (SCODI-P), and YAG laser capsulotomy procedures for Medicare patients than 75% of them and he also had a list price for eye injection, intraocular injection, intravitreal drug injection, intravitreal injection, and simple cataract 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. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2012 were eye procedures, ultrasound (sonogram), injections and capsulotomy.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	56
doctor visit	59
eye procedures	2138
injections	81
laser treatment	56
ultrasound (sonogram)	108

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2013 were eye procedures, injections, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	49
doctor visit	68
eye procedures	2384
injections	123
laser treatment	49
ultrasound (sonogram)	121

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	261
Female	452

**Ethnicity**
Non-Hispanic White	692
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	268
85 and over	156
Less than 65	41

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2013

Hypertension	64
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	18
Asthma	3
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2014 were eye procedures, injections, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	33
doctor visit	65
eye procedures	2653
injections	92
laser treatment	33
ultrasound (sonogram)	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	276
Female	443

**Ethnicity**
Non-Hispanic White	690
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	256
85 and over	139
Less than 65	43

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2014

Hypertension	66
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	18
Asthma	3
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2015 were eye procedures, injections, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	38
doctor visit	66
eye procedures	2957
injections	98
laser treatment	38
ultrasound (sonogram)	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	594
Female	878

**Ethnicity**
Non-Hispanic White	1398
Black	0
Hispanic	0
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	586
From 75 to 84	536
85 and over	264
Less than 65	86

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2015

Hypertension	65
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2016 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	102
doctor visit	71
eye procedures	3410
injections	132
laser treatment	102
ultrasound (sonogram)	21

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	323
Female	582

**Ethnicity**
Non-Hispanic White	857
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	348
85 and over	158
Less than 65	51

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2016

Hypertension	66
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2017 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	90
doctor visit	141
eye procedures	3742
injections	159
laser treatment	90
ultrasound (sonogram)	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	353
Female	679

**Ethnicity**
Non-Hispanic White	970
Black	0
Hispanic	14
Asian	0
Other	35
Native American	0

**Age**
From 65 to 74	415
From 75 to 84	390
85 and over	177
Less than 65	50

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2017

Hypertension	67
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2018 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	90
doctor visit	133
eye procedures	3326
injections	161
laser treatment	90
ultrasound (sonogram)	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	341
Female	659

**Ethnicity**
Non-Hispanic White	940
Black	0
Hispanic	14
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	412
From 75 to 84	364
85 and over	171
Less than 65	53

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2018

Hypertension	66
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	29
Depression	17
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2019 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	127
doctor visit	113
eye procedures	3890
injections	164
laser treatment	127
ultrasound (sonogram)	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	386
Female	715

**Ethnicity**
Non-Hispanic White	1023
Black	0
Hispanic	13
Asian	0
Other	54
Native American	0

**Age**
From 65 to 74	471
From 75 to 84	388
85 and over	195
Less than 65	47

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2019

Hypertension	68
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	29
Asthma	4
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2020 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	101
doctor visit	102
eye procedures	3407
injections	260
laser treatment	101

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	346
Female	654

**Ethnicity**
Non-Hispanic White	934
Black	0
Hispanic	13
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	443
From 75 to 84	355
85 and over	166
Less than 65	36

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2020

Hypertension	65
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	30
Asthma	4
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2021 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	100
doctor visit	84
eye procedures	3647
injections	283
laser treatment	100
ultrasound (sonogram)	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	365
Female	624

**Ethnicity**
Non-Hispanic White	925
Black	0
Hispanic	0
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	363
85 and over	170
Less than 65	39

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2021

Hypertension	66
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	30
Asthma	4
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2022 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	106
doctor visit	77
eye procedures	3458
injections	299
laser treatment	106
ultrasound (sonogram)	32

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	361
Female	594

**Ethnicity**
Non-Hispanic White	888
Black	0
Hispanic	0
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	374
85 and over	169
Less than 65	24

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2022

Hypertension	74
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH during 2023 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

capsulotomy	84
doctor visit	85
eye procedures	3312
injections	286
laser treatment	84
ultrasound (sonogram)	18

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	339
Female	562

**Ethnicity**
Non-Hispanic White	828
Black	0
Hispanic	0
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	350
85 and over	154
Less than 65	23

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2023

Hypertension	73
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Jonathan David Zahler, DO for Medicare patients.

The highest averages for the top procedures that Dr. Jonathan David Zahler, DO treated as an ophthalmologist in Norwalk, OH were eye procedures, injections, capsulotomy and laser treatment.

capsulotomy	81
doctor visit	88
eye procedures	3193
injections	178
laser treatment	81
ultrasound (sonogram)	42

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Jonathan David Zahler, DO.

**Gender**
Male	328
Female	570

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	845
Hispanic	4
Native American / Alaskan Native	0
Other	32

**Age**
75 to 84	332
85 and over	159
Less than 65	41
65 to 74	365

Average of Total of Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Jonathan David Zahler, DO treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	61
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	26
Depression	14
Chronic Kidney Disease	23
Asthma	4
Osteoporosis	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Atrial Fibrillation	12
Cancer	10
Dementia	6

Education & Training

Dr. Jonathan David Zahler, DO graduated from Philadelphia College of Osteopathic Medicine in 2006. He is certified by the Board Certification: American Osteopathic Association - Ophthalmology and has a state license in Ohio.

Medical School: Philadelphia College of Osteopathic Medicine (2006)

Board Certification: Board Certification: American Osteopathic Association - Ophthalmology

Licensed In: Ohio

Affiliations & Hospitals

Dr. Jonathan David Zahler, DO is associated with these hospitals and organizations:

Firelands Health

Fisher-Titus Health

University Hospitals

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Jonathan David Zahler, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Allergan Inc.	$1,421 OZURDEX $621	LUMIGAN $258	RESTASIS $184	COMBIGAN $168	BOTOX $22	Other $168
Alcon Vision LLC	$810 Hydrus Microstent $315	CLAREON $314	Rocklatan $60	ARGOS $46	Centurion $36	Other $38
GLAUKOS CORPORATION	$591 ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM $510	iDose $29	iStent infinite Trabecular Micro-Bypass System Model iS3 $29	iStent Trabecular Micro-Bypass System Model iS3 $23
Shire North American Group Inc	$591 XIIDRA $574	$17
Janssen Pharmaceuticals, Inc	$358 XARELTO $233	INVOKANA $125
Other	$2,598 Omidria $171	ILUVIEN $162	Streamline $158	ACTHAR $134	ELIQUIS $122	Other $1,850

**Types of Payments**
Food and Beverage	$5,694
Honoraria	$500
Education	$175

Biography

Dr. Jonathan Zahler is a specialist in ophthalmology (eye disease). Dr. Zahler studied medicine at Philadelphia College of Osteopathic Medicine. His hospital/clinic affiliations include the University Hospitals, Fisher-Titus Health, and Firelands Health.

Select Year:

Dr. Jonathan David Zahler, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Jonathan David Zahler, DO in 2023

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. Jonathan David Zahler, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Jonathan David Zahler, DO From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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