Mark Richard Zambron, MD
Internal Medicine Physician · Buffalo, NY
Mark Richard Zambron, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1669435103, issued on Apr 7, 2006. Check the license (New York 209551, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Richard Zambron
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 209551 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
- Apr 7, 2006
- Record last updated
- Sep 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20050504000256); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
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.
- Keaira Aiken, FNPFamily Nurse Practitioner1417648619
- Michael Aronica, MDInternal Medicine Physician1831158195
- William Blymire, MDInternal Medicine Physician1306095468
- Amberlee Libertone, DNP, FNPFamily Nurse Practitioner1609535723
- Emily Mogavero, PA-CPhysician Assistant1902792021
- Rosalind Sulaiman, MDInternal Medicine Physician1891954012
Verify Mark Richard Zambron 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 209551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
8,575 Medicare Part D claims for 448 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 187 claims were for opioids.
Most prescribed
- Atorvastatin Calcium685 claims
- Levothyroxine Sodium581 claims
- Lisinopril494 claims
- Omeprazole354 claims
- Metformin Hcl353 claims
- Amlodipine Besylate259 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ehs, IncBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Richard Zambron among 12,067 internal medicine physician records in New York
Mark Richard Zambron, 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 fileYes · 60% of these records are
- Graduated1996 · 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.
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
- Michael Aronica, MDBuffalo, NY 142071831158195
- William Blymire, MDBuffalo, NY 142071306095468
- Yaa BosompimBuffalo, NY 142071487340162
- David Flint, MDBuffalo, NY 142071194755520
- Andrew Hurst, MDBuffalo, NY 142071942838172
- Jon Kucera, MDBuffalo, NY 142071447348776
- Rosalind Sulaiman, MDBuffalo, NY 142071891954012
- Susan Szimonisz, MDBuffalo, NY 142071285722462
Common questions
What is Mark Richard Zambron, MD's NPI number?
Mark Richard Zambron, MD's National Provider Identifier (NPI) is 1669435103, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Richard Zambron, 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 Mark Richard Zambron, MD's license?
NPPES lists New York license number 209551, 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 Mark Richard Zambron, MD prescribe under Medicare Part D?
In 2024, Mark Richard Zambron, MD had 8,575 Medicare Part D claims for 448 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mark Richard Zambron, 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.