Thomas Mahl, MD
Gastroenterology Physician · Buffalo, NY
Thomas Mahl, MD is a gastroenterology physician with a practice address in Buffalo, New York, and NPI 1780633412, issued on May 9, 2006. Check the license (New York 164933, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Thomas Mahl
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 164933 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3495 Bailey Ave, Buffalo, NY 14215
- Phone
- (716) 862-3145
- Enumerated
- May 9, 2006
- Record last updated
- Dec 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 01192612 NY
- Medicare enrollment
- Enrolled (PECOS I20070321000427); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 3495 Bailey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eloise Aguirregoitia, M.D.Internal Medicine Physician1619980364
- Ernest AifuwaDentist1518540913
- Veludina Alejandro, M.D.Internal Medicine Physician1083624399
- Ronnetta Alexander, PHARMD.Pharmacist1497091615
- Matthew Altiere, PH.D.Clinical Psychologist1629361654
- Michael Ando, RN, CRNACertified Registered Nurse Anesthetist1023657012
Verify Thomas Mahl 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 164933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average gastroenterology physician in 2024
292 Medicare Part D claims for 63 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Omeprazole62 claims
- Famotidine34 claims
- Pantoprazole Sodium28 claims
- Ondansetron Odt24 claims
- Dicyclomine Hcl22 claims
- Mesalamine18 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): 90 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
- Erie County Medical Center CorporationBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Mahl among 1,797 gastroenterology physician records in New York
Thomas Mahl, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1984 · median 1999 among the 1,378 with a school on file
- Record last updated2011 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Buffalo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Paula Burkard, MDBuffalo, NY 142151972551463
- Erin Ly, M.D.Buffalo, NY 142151740638725
- Jan Novak, MDBuffalo, NY 142151427096239
- Navpreet Rana, DOBuffalo, NY 142151922535210
- Nahel Altaf Tunio, MDBuffalo, NY 142151275029266
- Guy Weiss, M.D.Buffalo, NY 142151598084030
- Aston Williams, MDBuffalo, NY 142141558423921
- Sehem Ghazala, M.D.Buffalo, NY 142201265846950
Common questions
What is Thomas Mahl, MD's NPI number?
Thomas Mahl, MD's National Provider Identifier (NPI) is 1780633412, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Mahl, MD located?
The NPPES record lists a practice address at 3495 Bailey Ave, Buffalo, NY, 14215. Phone: (716) 862-3145. Providers update this record themselves, so call before visiting.
How can I verify Thomas Mahl, MD's license?
NPPES lists New York license number 164933, 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 Thomas Mahl, MD prescribe under Medicare Part D?
In 2024, Thomas Mahl, MD had 292 Medicare Part D claims for 63 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Thomas Mahl, MD's MIPS final score?
The 2023 MIPS final score is 90 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.