NPPES file of Aug 9, 2026

William Warren Blymire, MD

Internal Medicine Physician · Buffalo, NY

William Warren Blymire, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1306095468, issued on Sep 15, 2008. Check the license (New York 250334, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306095468
Name
William Warren Blymire
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
250334 NY
Self-reported in NPPES; status is on the state search
Practice location
800 Hertel Ave Ste 100, Buffalo, NY 14207
Phone
(716) 847-2441
Enumerated
Sep 15, 2008
Record last updated
Sep 19, 2025
Medicare enrollment
Enrolled (PECOS I20101005000839); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 Hertel Ave Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Keaira Aiken, FNPFamily Nurse Practitioner1417648619
  2. Michael Aronica, MDInternal Medicine Physician1831158195
  3. Amberlee Libertone, DNP, FNPFamily Nurse Practitioner1609535723
  4. Emily Mogavero, PA-CPhysician Assistant1902792021
  5. Rosalind Sulaiman, MDInternal Medicine Physician1891954012
  6. Mark Zambron, MDInternal Medicine Physician1669435103

Verify William Warren Blymire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 250334
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,531 Medicare Part D claims for 409 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 369 claims were for opioids.

  1. William Blymire8,531
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium642 claims
  2. Lisinopril460 claims
  3. Levothyroxine Sodium397 claims
  4. Omeprazole390 claims
  5. Amlodipine Besylate342 claims
  6. Metformin Hcl249 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 practice group's MIPS final score for 2023 (Medicare payment program): 96.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.5
  2. Costout of 100 · 30%94.3
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Ehs, IncBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Warren Blymire among 12,067 internal medicine physician records in New York

William Warren Blymire, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2006 · median 2002 among the 7,221 with a school on file
  • Record last updated2025 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Aronica, MDBuffalo, NY 142071831158195
  2. Yaa BosompimBuffalo, NY 142071487340162
  3. David Flint, MDBuffalo, NY 142071194755520
  4. Andrew Hurst, MDBuffalo, NY 142071942838172
  5. Jon Kucera, MDBuffalo, NY 142071447348776
  6. Rosalind Sulaiman, MDBuffalo, NY 142071891954012
  7. Susan Szimonisz, MDBuffalo, NY 142071285722462
  8. Mark Zambron, MDBuffalo, NY 142071669435103

Common questions

What is William Warren Blymire, MD's NPI number?

William Warren Blymire, MD's National Provider Identifier (NPI) is 1306095468, issued on Sep 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Warren Blymire, MD located?

The NPPES record lists a practice address at 800 Hertel Ave Ste 100, Buffalo, NY, 14207. Phone: (716) 847-2441. Providers update this record themselves, so call before visiting.

How can I verify William Warren Blymire, MD's license?

NPPES lists New York license number 250334, 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 William Warren Blymire, MD prescribe under Medicare Part D?

In 2024, William Warren Blymire, MD had 8,531 Medicare Part D claims for 409 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is William Warren Blymire, MD's MIPS final score?

The 2023 MIPS final score is 96.9 of 100, reported for the practice group. 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.