Ellen Marcus
Obstetrics & Gynecology Physician · Pittsburgh, PA
Ellen Marcus is an obstetrics & gynecology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1659001972, issued on Jun 10, 2022. Check the license (Pennsylvania MT226319, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ellen Marcus
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MT226319 PA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Halket St, Pittsburgh, PA 15213
- Phone
- (412) 641-1000
- Enumerated
- Jun 10, 2022
- Record last updated
- Dec 30, 2025
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 300 Halket St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mutaz Abdelgalil, PHDStudent in an Organized Health Care Education/Training Program1144012626
- Dina AbdelsamadObstetrics & Gynecology Physician1265264717
- Steven Abo, MDSpecialist1669444766
- Sharon Achilles, MD, PHDObstetrics & Gynecology Physician1649473257
- Shaista AliPharmacist1447849245
- Chelsea AndersonNurse Practitioner1003375676
Verify Ellen Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT226319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
21 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 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.
Ellen Marcus among 1,974 obstetrics & gynecology physician records in Pennsylvania
Ellen Marcus is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Pennsylvania
There are 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Pittsburgh → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Donald Carson, MDPittsburgh, PA 152131972575496
- Michael EnglandPittsburgh, PA 152131982664520
- Dennis English, MDPittsburgh, PA 152131073573531
- Katharine Goetz, MDPittsburgh, PA 152131033179635
- Stephen Hasley, MDPittsburgh, PA 152131891760054
- Charles Kremser, M.D.Pittsburgh, PA 152131255393963
- Ted Teh Min LeePittsburgh, PA 152131023086048
- Suketu Mansuria, MDPittsburgh, PA 152131588638654
Common questions
What is Ellen Marcus's NPI number?
Ellen Marcus's National Provider Identifier (NPI) is 1659001972, issued on Jun 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Marcus located?
The NPPES record lists a practice address at 300 Halket St, Pittsburgh, PA, 15213. Phone: (412) 641-1000. Providers update this record themselves, so call before visiting.
How can I verify Ellen Marcus's license?
NPPES lists Pennsylvania license number MT226319, 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 Ellen Marcus prescribe under Medicare Part D?
In 2024, Ellen Marcus had 21 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.