Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MA Providers

Dr. John Adam Thayer, MD

Accepting New Patients

(No ratings)

Specializes in: General Ophthalmology

501 Southampton Road Suite D
Westfield, MA 01085

(413) 572-3000

Dr. John Adam Thayer, MD is an ophthalmologist in Westfield, MA specializing in general ophthalmology. Dr. John Adam Thayer, MD is affiliated with Baystate Health and Westfield Eye Center.

Office Locations

501 Southampton Road Suite D
Westfield, MA 01085

(413) 572-3000

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. John Adam Thayer, MD in 2023

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

Top 5%

By Affordability:

complex cataract surgery

laser eye surgery

secondary cataract surgery

YAG laser capsulotomy

YAG laser surgery

In 2023, Dr. John Adam Thayer, MD had a list price for complex cataract surgery, laser eye surgery, secondary cataract surgery, YAG laser capsulotomy, and YAG laser surgery that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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 10%

By Affordability:

comprehensive eye exam

eye exam

glaucoma surgery

intermediate eye exam

In 2023, Dr. John Adam Thayer, MD had a list price for comprehensive eye exam, eye exam, glaucoma surgery, and intermediate eye exam that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Massachusetts. 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:

eye procedures

laser eye surgery

laser trabeculoplasty

SCODI of the posterior segment

By Affordability:

anterior segment surgery

cataract surgery

cataract surgery with IOL implantation

corneal topography

extracapsular cataract extraction with IOL implantation

extracapsular lens removal

intraocular lens implant

iridectomy

iridotomy

laser glaucoma surgery

laser iridectomy

laser iridotomy

laser trabeculoplasty

lens removal surgery

lens replacement surgery

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

simple cataract surgery

In 2012, among providers in related specialties within Massachusetts, Dr. John Adam Thayer, MD performed more eye procedures, laser eye surgery, laser trabeculoplasty, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 75% of them and he also had a list price for anterior segment surgery, cataract surgery, cataract surgery with IOL implantation, corneal topography, extracapsular cataract extraction (ECCE) with IOL implantation, extracapsular lens removal, intraocular lens (IOL) implant, iridectomy, iridotomy, laser glaucoma surgery, laser iridectomy, laser iridotomy, laser trabeculoplasty, lens removal surgery, lens replacement surgery, scanning computerized ophthalmic diagnostic imaging (SCODI), SCODI of the posterior segment (SCODI-P), 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. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2012 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	31
doctor visit	691
eye procedures	1237
laser treatment	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2013 were eye procedures, laser treatment, capsulotomy and excision.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

ablation	17
capsulotomy	52
doctor visit	1039
excision	51
eye procedures	1999
laser treatment	239
photocoagulation	17
ultrasound (sonogram)	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	411
Female	692

**Ethnicity**
Non-Hispanic White	1043
Black	0
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	372
From 75 to 84	382
85 and over	212
Less than 65	137

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2013

Hypertension	64
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2014 were eye procedures, laser treatment, excision and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	53
doctor visit	1208
excision	90
eye procedures	2486
lacrimal (tearing system) procedures	16
laser treatment	248
ultrasound (sonogram)	64

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	464
Female	784

**Ethnicity**
Non-Hispanic White	1156
Black	0
Hispanic	53
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	416
85 and over	237
Less than 65	135

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2014

Hypertension	65
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2015 were eye procedures, laser treatment, ultrasound (sonogram) and excision.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	35
doctor visit	1085
excision	83
eye procedures	2849
lacrimal (tearing system) procedures	18
laser treatment	184
ultrasound (sonogram)	116

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	982
Female	1654

**Ethnicity**
Non-Hispanic White	2448
Black	0
Hispanic	104
Asian	0
Other	54
Native American	0

**Age**
From 65 to 74	944
From 75 to 84	876
85 and over	518
Less than 65	298

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2015

Hypertension	65
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2016 were eye procedures, laser treatment, ultrasound (sonogram) and excision.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	29
doctor visit	1023
excision	69
eye procedures	2811
laser treatment	151
ultrasound (sonogram)	82

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	519
Female	827

**Ethnicity**
Non-Hispanic White	1240
Black	0
Hispanic	50
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	502
From 75 to 84	423
85 and over	261
Less than 65	160

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2016

Hypertension	66
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	27
Asthma	17
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2017 were eye procedures, laser treatment, excision and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	30
doctor visit	973
excision	85
eye procedures	2802
laser treatment	197
ultrasound (sonogram)	62

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	497
Female	825

**Ethnicity**
Non-Hispanic White	1223
Black	0
Hispanic	52
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	497
From 75 to 84	449
85 and over	229
Less than 65	147

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2017

Hypertension	66
High Cholesterol	42
Stroke	5
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2018 were eye procedures, laser treatment, excision and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	29
doctor visit	822
excision	62
eye procedures	2755
laser treatment	131
ultrasound (sonogram)	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	504
Female	792

**Ethnicity**
Non-Hispanic White	1207
Black	0
Hispanic	38
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	507
From 75 to 84	456
85 and over	211
Less than 65	122

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2018

Hypertension	65
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2019 were eye procedures, laser treatment, excision and capsulotomy.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	44
doctor visit	694
excision	54
eye procedures	2506
laser treatment	154
ultrasound (sonogram)	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	456
Female	662

**Ethnicity**
Non-Hispanic White	1046
Black	0
Hispanic	32
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	472
From 75 to 84	389
85 and over	189
Less than 65	68

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2019

Hypertension	64
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2020 were eye procedures, laser treatment, capsulotomy and excision.

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	49
doctor visit	550
excision	32
eye procedures	2052
laser treatment	122
ultrasound (sonogram)	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	394
Female	569

**Ethnicity**
Non-Hispanic White	900
Black	0
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	421
From 75 to 84	338
85 and over	157
Less than 65	47

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2020

Hypertension	63
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2021 were eye procedures, laser treatment, capsulotomy and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	44
doctor visit	654
excision	24
eye procedures	2662
laser treatment	165
ultrasound (sonogram)	41

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	441
Female	647

**Ethnicity**
Non-Hispanic White	1020
Black	0
Hispanic	24
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	476
From 75 to 84	395
85 and over	175
Less than 65	42

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2021

Hypertension	64
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2022 were eye procedures, laser treatment, capsulotomy and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	53
doctor visit	489
excision	26
eye procedures	2934
laser treatment	125
ultrasound (sonogram)	38

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	443
Female	666

**Ethnicity**
Non-Hispanic White	1030
Black	0
Hispanic	24
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	490
From 75 to 84	413
85 and over	162
Less than 65	44

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2022

Hypertension	74
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	17
Depression	19
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA during 2023 were eye procedures, laser treatment, capsulotomy and ultrasound (sonogram).

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

capsulotomy	36
doctor visit	179
excision	26
eye procedures	3172
laser treatment	125
ultrasound (sonogram)	29

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	429
Female	614

**Ethnicity**
Non-Hispanic White	977
Black	0
Hispanic	13
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	437
From 75 to 84	431
85 and over	138
Less than 65	37

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2023

Hypertension	74
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John Adam Thayer, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Adam Thayer, MD treated as an ophthalmologist in Westfield, MA were eye procedures, laser treatment, excision and ultrasound (sonogram).

ablation	17
capsulotomy	40
doctor visit	783
excision	54
eye procedures	2522
lacrimal (tearing system) procedures	17
laser treatment	156
photocoagulation	17
ultrasound (sonogram)	48

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John Adam Thayer, MD.

**Gender**
Male	461
Female	727

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	1107
Hispanic	35
Native American / Alaskan Native	0
Other	28

**Age**
75 to 84	414
85 and over	207
Less than 65	103
65 to 74	464

Average of Total of Conditions of Medicare patients treated by Dr. John Adam Thayer, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John Adam Thayer, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	60
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	22
Asthma	8
Osteoporosis	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Atrial Fibrillation	12
Cancer	9
Dementia	7

Education & Training

He is certified by the Ophthalmology, American Board of Ophthalmology and has a state license in Massachusetts.

Board Certification: Ophthalmology, American Board of Ophthalmology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. John Adam Thayer, MD is associated with these hospitals and organizations:

Baystate Health

Westfield Eye Center

Ratings & Reviews

Dr. John Adam Thayer, MD does not have any reviews yet, be the first to leave a review of Dr. John Adam Thayer, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Allergan Inc.	$344 LUMIGAN $95	RESTASIS $26	$223
Bausch and Lomb Inc.	$327 LOTEMAX GEL $188	PROLENSA $108	ALREX $19	BEPREVE $13
Shire North American Group Inc	$171 XIIDRA $171
Alcon Vision LLC	$98 LenSx $38	ARGOS $24	Rocklatan $18	Hydrus Microstent $18
Alcon Laboratories Inc	$57 Duovisc $45	Pazeo $12
Other	$287 DEXTENZA $53	VYZULTA $46	Rocklatan $36	Omidria $31	TORIC $25	Other $96

**Types of Payments**
Food and Beverage	$1,285

Biography

Dr. John Thayer sees patients in Westfield, MA. His medical specialty is general ophthalmology. He attended medical school at the University of Michigan Medical School. He is professionally affiliated with Baystate Noble Hospital. Dr. Thayer has an open panel in Westfield, MA according to Baystate Health.

Select Year:

Dr. John Adam Thayer, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Adam Thayer, MD in 2023

By Affordability:

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 Adam Thayer, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Adam Thayer, MD 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. John Adam Thayer, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Westfield, MA