John C. Merriam, M.D.
Ophthalmology Physician · New York, NY
John C. Merriam, M.D. is an ophthalmology physician with a practice address in New York, New York, and NPI 1821010307, issued on Jul 24, 2006. Check the license (New York 155074-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John C. Merriam
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 155074-1 NY
155074 NY
Self-reported in NPPES; status is on the state search - Practice location
- 635 W 165TH St, New York, NY 10032
- Phone
- (212) 305-5402
- Enumerated
- Jul 24, 2006
- Record last updated
- Nov 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01114552 NY
- Medicare enrollment
- Enrolled (PECOS I20031103000614); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1977
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Also registered at 635 W 165TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Abraham, MDStudent in an Organized Health Care Education/Training Program1447947007
- Molly Algermissen, PHDClinical Psychologist1699800821
- James Auran, M.D.Ophthalmology Physician1063438414
- Aimee BaezStudent in an Organized Health Care Education/Training Program1790418325
- Rajendra Bansal, MDOphthalmology Physician1588627988
- Gaetano Barile, M.D.Ophthalmology Physician1689698938
Verify John C. Merriam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 155074-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average ophthalmology physician in 2024
975 Medicare Part D claims for 173 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Timolol Maleate213 claims
- Latanoprost162 claims
- Dorzolamide-Timolol88 claims
- Prednisolone Acetate44 claims
- Ofloxacin42 claims
- Rocklatan40 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
John C. Merriam among 1,822 ophthalmology physician records in New York
John C. Merriam, M.D. is one of 1,822 ophthalmology physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1977 · median 1995 among the 1,215 with a school on file
- Record last updated2021 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in New York → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Auran, M.D.New York, NY 100321063438414
- Rajendra Bansal, MDNew York, NY 100321588627988
- Dana Blumberg, MDNew York, NY 100321548297450
- Stanley Chang, M.D.New York, NY 100321639110307
- Arthur Cotliar, MDNew York, NY 100321992770630
- Jason Horowitz, M.D.New York, NY 100321679535314
- Susan Lee, M.D.New York, NY 100321871547752
- Jeffrey Liebmann, MDNew York, NY 100321033199450
Common questions
What is John C. Merriam, M.D.'s NPI number?
John C. Merriam, M.D.'s National Provider Identifier (NPI) is 1821010307, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Merriam, M.D. located?
The NPPES record lists a practice address at 635 W 165TH St, New York, NY, 10032. Phone: (212) 305-5402. Providers update this record themselves, so call before visiting.
How can I verify John C. Merriam, M.D.'s license?
NPPES lists New York license number 155074-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John C. Merriam, M.D. prescribe under Medicare Part D?
In 2024, John C. Merriam, M.D. had 975 Medicare Part D claims for 173 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John C. Merriam, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.