Michael D. Merrill, MD
Internal Medicine Physician · Buffalo, NY
Michael D. Merrill, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1649205782, issued on Jul 11, 2006. Check the license (New York 212164-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael D. Merrill
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 212164-1 NY
212164 NY
Self-reported in NPPES; status is on the state search - Practice location
- 565 Abbott RD, Buffalo, NY 14220
- Phone
- (518) 383-5450
- Enumerated
- Jul 11, 2006
- Record last updated
- Dec 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (518) 383-4223
- Medicaid ID
- 02515277 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 565 Abbott RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jamal Al Taani, MDVascular & Interventional Radiology Physician1083819593
- Michael Albert, MDAnatomic Pathology & Clinical Pathology Physician1386602118
- Catherine Almeter, PAPhysician Assistant1003480195
Verify Michael D. Merrill 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 212164-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
344 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 30 claims were for opioids.
Most prescribed
- Pantoprazole Sodium23 claims
- Hydrocodone-Acetaminophen14 claims
- Nortriptyline Hcl12 claims
- Ondansetron Hcl12 claims
- Omeprazole11 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.
The MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.00
1 payment: education; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael D. Merrill among 12,067 internal medicine physician records in New York
Michael D. Merrill, MD is one of 12,067 internal medicine 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Mohammad Alsheikh-Kassim, MDBuffalo, NY 142201164051132
- John Brach, MDBuffalo, NY 142201992735344
- Muhammad Cheema, MDBuffalo, NY 142201700261278
- Randy Hobbs, MDBuffalo, NY 142201134153596
- Jessica Jerez, MDBuffalo, NY 142201316438476
- Amee Mehta, MDBuffalo, NY 142201760627814
Common questions
What is Michael D. Merrill, MD's NPI number?
Michael D. Merrill, MD's National Provider Identifier (NPI) is 1649205782, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. Merrill, MD located?
The NPPES record lists a practice address at 565 Abbott RD, Buffalo, NY, 14220. Phone: (518) 383-5450. Providers update this record themselves, so call before visiting.
How can I verify Michael D. Merrill, MD's license?
NPPES lists New York license number 212164-1, 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 Michael D. Merrill, MD prescribe under Medicare Part D?
In 2024, Michael D. Merrill, MD had 344 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael D. Merrill, MD's MIPS final score?
The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.