Douglas Martin Weissman, MD
Gastroenterology Physician · Pittsburgh, PA
Douglas Martin Weissman, MD is a gastroenterology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1801800289, issued on Jul 28, 2006. Check the license (Pennsylvania MD479317, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Douglas Martin Weissman
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD479317 PA
036144304 IL
01077964A IN
25MA04832600 NJ
35.129369 OH
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 1307 Federal St Ste B100, Pittsburgh, PA 15212
- Phone
- (412) 359-8900
- Enumerated
- Jul 28, 2006
- Record last updated
- Dec 3, 2025
- Fax
- (412) 359-8977
- Medicaid IDs
- 0448319 OH
100265946 WI - Medicare enrollment
- Enrolled (PECOS I20210701001459); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1307 Federal St Ste B100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tabitha Ashoff, PA-CPhysician Assistant1023592458
- Michael Babich, MDGastroenterology Physician1598764458
- Emily Barbe, PA-CPhysician Assistant1629673322
- Ashley Browne, PA-CPhysician Assistant1306349071
- Mary Caffrey, PA-CPhysician Assistant1073336939
- Hui-Wei Chen, M.D.Gastroenterology Physician1194143453
Verify Douglas Martin Weissman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD479317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
33 Medicare Part D claims for 22 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 4 group practices
- IU Health Medical Group LLCIndianapolis, IN
- Kansas City Gastroenterology And Hepatology Physicians Group LLCOverland Park, KS
- Kettering Independent Medical Group IncCenterville, OH
- Partners Physician GroupAkron, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Martin Weissman among 1,049 gastroenterology physician records in Pennsylvania
Douglas Martin Weissman, MD is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2003 among the 769 with a school on file
- Record last updated2025 · 63% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Pittsburgh → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Radheshyam Agrawal, MDPittsburgh, PA 152121518966670
- Michael Babich, MDPittsburgh, PA 152121598764458
- Manish Dhawan, MDPittsburgh, PA 152121679573059
- Katie Farah, MDPittsburgh, PA 152121154373991
- Renee Flannagan, M.D.Pittsburgh, PA 152121033191382
- Hossam Kandil, MDPittsburgh, PA 152121235103896
- Abhijit Kulkarni, MDPittsburgh, PA 152121609877521
- Paul Lebovitz, MDPittsburgh, PA 152121821099573
Common questions
What is Douglas Martin Weissman, MD's NPI number?
Douglas Martin Weissman, MD's National Provider Identifier (NPI) is 1801800289, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Martin Weissman, MD located?
The NPPES record lists a practice address at 1307 Federal St Ste B100, Pittsburgh, PA, 15212. Phone: (412) 359-8900. Providers update this record themselves, so call before visiting.
How can I verify Douglas Martin Weissman, MD's license?
NPPES lists Pennsylvania license number MD479317, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas Martin Weissman, MD prescribe under Medicare Part D?
In 2024, Douglas Martin Weissman, MD had 33 Medicare Part D claims for 22 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.