Stanley James Pietrak, M.D.
Gastroenterology Physician · Williamsville, NY
Stanley James Pietrak, M.D. is a gastroenterology physician with a practice address in Williamsville, New York, and NPI 1396794939, issued on May 10, 2006. Check the license (New York 143423, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stanley James Pietrak
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 143423 NY
Self-reported in NPPES; status is on the state search - Practice location
- 60 Maple RD, Williamsville, NY 14221
- Phone
- (716) 626-5250
- Enumerated
- May 10, 2006
- Record last updated
- Dec 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (716) 332-2218
- Medicaid ID
- 00845969 NY
- Medicare enrollment
- Enrolled (PECOS I20080212000478); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1979
- Entity
- Type 1 · individual
Also registered at 60 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Bartolone, M.D.Gastroenterology Physician1548246788
- Peter Bloom, M.D.Gastroenterology Physician1316923253
- Carrin Clifford, FNP-BCFamily Nurse Practitioner1245945609
- David Fay, M.D.Gastroenterology Physician1942286844
- David Garson, M.D.Gastroenterology Physician1457337388
- Jerald Giller, M.D.Gastroenterology Physician1376529370
Verify Stanley James Pietrak 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 143423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,572 Medicare Part D claims for 461 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Pantoprazole Sodium580 claims
- Omeprazole551 claims
- Famotidine518 claims
- Esomeprazole Magnesium99 claims
- Sucralfate72 claims
- Linzess61 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.
Industry payments in 2024: $795.45
27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Gastroenterology Associates LLPWilliamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
Other gastroenterology physician records in New York
- Elie Abadie, MDBrooklyn, NY1639235435
- Hafsa Abbas, MDFlushing, NY1487061438
- Naeem Abbas, MDValley Stream, NY1437432192
- Uzma Abbasi, M.D.Oneida, NY1275856106
- Maisa Abdalla, M.D.Rochester, NY1669645222
- Muhammad Abdullah, MDBrooklyn, NY1053312645
- Arthur Abelow, MDBronx, NY1235242728
- Elie Abemayor, M.D.Mount Kisco, NY1376565358
- Jeffrey Abergel, MDCortlandt Manor, NY1649472382
- Chaim Abittan, MDGreat Neck, NY1972512002
Common questions
What is Stanley James Pietrak, M.D.'s NPI number?
Stanley James Pietrak, M.D.'s National Provider Identifier (NPI) is 1396794939, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stanley James Pietrak, M.D. located?
The NPPES record lists a practice address at 60 Maple RD, Williamsville, NY, 14221. Phone: (716) 626-5250. Providers update this record themselves, so call before visiting.
How can I verify Stanley James Pietrak, M.D.'s license?
NPPES lists New York license number 143423, 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 Stanley James Pietrak, M.D. prescribe under Medicare Part D?
In 2024, Stanley James Pietrak, M.D. had 2,572 Medicare Part D claims for 461 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.