Larry Seidman, D.O.
Gynecology Physician · Philadelphia, PA
Larry Seidman, D.O. is a gynecology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821041039, issued on May 18, 2006. Check the license (Pennsylvania OS003155L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Larry Seidman
- Credential
- D.O.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- OS003155L PA
Self-reported in NPPES; status is on the state search - Practice location
- 9501 Roosevelt Blvd, Philadelphia, PA 19114
- Phone
- (215) 676-8111
- Enumerated
- May 18, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (215) 673-8210
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 169 in Pennsylvania → Look up another NPI →
Also registered at 9501 Roosevelt Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eugene Andruczyk, D.O.Gynecology Physician1780636498
- Mark Benjamin, M.D.Specialist1992760185
- Mihaela Biscoveanu, MDEndocrinology, Diabetes & Metabolism Physician1033159231
- Ryan Blackman, D.O.Pediatrics Physician1275792038
- Nungja Chi, MDObstetrics & Gynecology Physician1528145646
- Mariel Clark, P.A.,C.Physician Assistant1568475523
Verify Larry Seidman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS003155LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gynecology physician in 2024
30 Medicare Part D claims, against an average of 299 among the 1,919 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.
Larry Seidman among 169 gynecology physician records in Pennsylvania
Larry Seidman, D.O. is one of 169 gynecology physician records with a practice address in Pennsylvania. 59% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 33% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2026 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Pennsylvania
There are 169 gynecology physician records in Pennsylvania.
All 169 in Pennsylvania → Every provider in Philadelphia → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Eugene Andruczyk, D.O.Philadelphia, PA 191141780636498
- Dorothy Czarnecki, MDPhiladelphia, PA 191141104900125
- Udele Tagoe, MDPhiladelphia, PA 191141588605232
- Arthur Gordon, MDPhila, PA 191151063496636
- Debra Somers, MDPhila, PA 191151609850239
- Herbert Somers, MDPhila, PA 191151952387128
- Gail Sullivan, MDPhiladelphia, PA 191151245247501
- Robert Auerbach, DOPhila, PA 191111861478034
Common questions
What is Larry Seidman, D.O.'s NPI number?
Larry Seidman, D.O.'s National Provider Identifier (NPI) is 1821041039, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Larry Seidman, D.O. located?
The NPPES record lists a practice address at 9501 Roosevelt Blvd, Philadelphia, PA, 19114. Phone: (215) 676-8111. Providers update this record themselves, so call before visiting.
How can I verify Larry Seidman, D.O.'s license?
NPPES lists Pennsylvania license number OS003155L, 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 Larry Seidman, D.O. prescribe under Medicare Part D?
In 2024, Larry Seidman, D.O. had 30 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.