Gary Alan Bass, MD
Surgery Physician · Philadelphia, PA
Gary Alan Bass, MD is a surgery physician with a practice address in Philadelphia, Pennsylvania, and NPI 1881924801, issued on Jan 14, 2010. Check the license (Pennsylvania MD472249, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gary Alan Bass
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD472249 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 349-8310
- Enumerated
- Jan 14, 2010
- Record last updated
- May 21, 2026
- Fax
- (215) 893-7270
- Medicare enrollment
- Enrolled (PECOS I20210709000483); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,867 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
- Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Gary Alan Bass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD472249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Alan Bass among 1,867 surgery physician records in Pennsylvania
Gary Alan Bass, MD is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 51% of them.
- NPI issued2010 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2006 · median 2007 among the 932 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Pennsylvania
There are 1,867 surgery physician records in Pennsylvania.
All 1,867 in Pennsylvania → Every provider in Philadelphia → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Ari Brooks, MDPhiladelphia, PA 191041669419206
- Jo Buyske, MDPhiladelphia, PA 191041902832967
- Ronald Dematteo, MDPhiladelphia, PA 191041376525964
- Daniel Dempsey, MDPhiladelphia, PA 191041922096965
- Jeffrey Drebin, MDPhiladelphia, PA 191041629005905
- Douglas Fraker, MDPhiladelphia, PA 191041083641377
- Gary Korus, MDPhiladelphia, PA 191041306873690
- Mark Malangoni, MDPhiladelphia, PA 191041831128636
Common questions
What is Gary Alan Bass, MD's NPI number?
Gary Alan Bass, MD's National Provider Identifier (NPI) is 1881924801, issued on Jan 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gary Alan Bass, MD located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.
How can I verify Gary Alan Bass, MD's license?
NPPES lists Pennsylvania license number MD472249, 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.
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.