Dr. John Adam Thayer, MD
- Medicare services, 2024
- 3,517
- Medicare patients, 2024
- 1,044
- Part D claims, 2024
- 2,107
- MIPS score, 2024
- 63
- Industry payments
- $916
- Practice address
- 55 Saint George Road, Springfield, MA 01104
- Practice phone
- Call (413) 736-7463
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center of New England
Surgery Center - Medicare-Certified · Springfield, Massachusetts
Find Dr. Thayer's professional email, personal email and mobile number
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Dr. John Adam Thayer is an ophthalmologist in Springfield, Massachusetts
Dr. Thayer practices at Surgery Center of New England in Springfield, Massachusetts.
Dr. Thayer's NPI, 1386628279, was assigned on December 3, 2005. Dr. Thayer graduated from University of Michigan Medical School in 1990. Dr. Thayer holds Massachusetts license 155865.
- NPI
- 1386628279NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719907609
- NPI enumeration date
- December 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 736-7463
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Adam Thayer practices at Surgery Center of New England in Springfield, Massachusetts
Dr. Thayer's primary practice is Surgery Center of New England, at 55 Saint George Road, Springfield, MA 01104. The practice phone is (413) 736-7463.
- Surgery Center of New England55 Saint George Road, Springfield, MA 01104Phone(413) 736-7463
Source: Dmand AI Affiliation Data
Dr. John Adam Thayer is affiliated with 2 sites of care and 1 medical group
Dr. Thayer's primary practice is Surgery Center of New England in Springfield, Massachusetts. Dmand AI also links Dr. Thayer to 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Thayer's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Adam Thayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thayer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center of New England | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Adam Thayer is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Thayer's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Thayer is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dr. Thayer
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Adam Thayer billed Medicare for 3,517 services in 2024
CMS data shows 3,517 Medicare services from Dr. Thayer across 22 procedure codes in 2024, for 1,044 Medicare patients. Medicare paid $281,825 for them.
Dr. Thayer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,8532024: 2,8381%
- Surgery
- 2023: 5352024: 5232%
- Office and hospital visits
- 2023: 1792024: 12530%
- Imaging
- 2023: 292024: 317%
Where Dr. Thayer's Medicare services took place, 2024
- In an office3,13689%
- In a facility38111%
Dr. Thayer compared with the Massachusetts median for ophthalmologists, 2024
- Dr. Thayer
- Massachusetts median
- Medicare services
- 3,517vs 1,5982.2 times
- Medicare patients
- 1,044vs 59476% above
- Part D claims
- 2,048vs 5453.8 times
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Thayer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Thayer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thayer and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Adam Thayer treated 1,044 Medicare patients in 2024, average age 76
CMS counts 1,044 Medicare patients who saw Dr. Thayer in 2024. The largest group is 65 to 74, with 449 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thayer's median patient age at 70, with 50% women.
Dr. Thayer's Medicare patients by age, 2024
Dr. Thayer's Medicare patients by sex, 2024
- Women59357%
- Men45143%
Chronic conditions among Dr. Thayer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis44%
- Diabetes30%
- Chronic kidney disease22%
- Ischemic heart disease22%
- Mood disorders22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Adam Thayer wrote 2,107 Medicare Part D claims in 2024
In 2024, Dr. Thayer wrote 2,107 Medicare Part D claims for 482 patients. 66% of them were for generic drugs. CMS names the drug for 2,048 of them, across 26 drugs with 11 or more claims each, at $266,105 in total drug cost. In 2023, CMS named 1,842 claims across 27 drugs.
Dr. Thayer's Part D claims by kind of drug, 2024
- Generic1,395 claims66%
- Brand-name712 claims34%
Dr. Thayer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Thayer's Part D claims, 2024
- Antibiotics2%50 of 2,107 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8422024: 2,04811%
Drugs named by CMS: 26 in 2024, 27 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Adam Thayer scored 63 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 63 out of 100 for Dr. Thayer for performance year 2024, reported individually. Dr. Thayer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 433 procedures of cataract surgery by Dr. Thayer, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Thayer's MIPS scores, performance year 2024
- 63of 100Final score
- 100of 100Quality
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Thayer ranks in Medicare procedure volume
- Cataract surgery
- 94th percentile433 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Adam Thayer received $916 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Thayer from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $235.
General payments to Dr. Thayer by program year, 2016 to 2025
Companies that paid Dr. Thayer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Adam Thayer graduated from University of Michigan Medical School
Dr. Thayer graduated from University of Michigan Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Adam Thayer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Adam Thayer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Adam Thayer's NPI number?
Dr. John Adam Thayer's NPI number is 1386628279. It was assigned on December 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Adam Thayer?
Dr. John Adam Thayer is an ophthalmologist in Springfield, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John Adam Thayer practice?
Dr. Thayer practices at 55 Saint George Road, Springfield, MA 01104. Dr. Thayer's primary practice is Surgery Center of New England in Springfield, Massachusetts. Dmand AI also links Dr. Thayer to 1 group practice or clinic and 1 medical group.
What is Dr. John Adam Thayer's office phone number?
The practice phone on file for Dr. Thayer is (413) 736-7463.
What is Dr. John Adam Thayer's medical license number?
Dr. Thayer holds Massachusetts license 155865.
Does Dr. John Adam Thayer accept Medicare?
Yes. CMS data shows Dr. Thayer billed Medicare for 3,517 services in 2024, and Dr. Thayer accepts Medicare assignment.
What is Dr. John Adam Thayer's MIPS score?
Dr. Thayer's MIPS final score for performance year 2024 is 63 out of 100, reported individually.
How many Medicare patients does Dr. John Adam Thayer see?
CMS counts 1,044 Medicare patients who saw Dr. Thayer in 2024, with an average age of 76.
What services does Dr. John Adam Thayer bill to Medicare?
In 2024, Dr. Thayer's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92133).
Where did Dr. John Adam Thayer go to medical school?
Dr. Thayer graduated from University of Michigan Medical School in 1990.
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What drugs does Dr. John Adam Thayer prescribe most?
In 2024 Medicare Part D data, Dr. Thayer's most prescribed drugs by claims were Moxifloxacin, Latanoprost and Timolol Maleate.
Has Dr. John Adam Thayer received payments from drug or device companies?
CMS Open Payments shows $916 in general payments to Dr. Thayer from 13 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. John Adam Thayer been practicing?
Dr. Thayer graduated from medical school in 1990, 36 years ago.
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