Clara Marie Grayhack, MD
Obstetrics & Gynecology Physician · Pittsburgh, PA
Clara Marie Grayhack, MD is an obstetrics & gynecology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1881222941, issued on Apr 1, 2020. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Clara Marie Grayhack
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301510902 MI
Self-reported in NPPES; status is on the state search - Practice location
- 320 E North Ave, Pittsburgh, PA 15212
- Phone
- (412) 578-5587
- Enumerated
- Apr 1, 2020
- Record last updated
- Dec 31, 2024
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 320 E North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clara Marie Grayhack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
31 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Clara Marie Grayhack among 1,974 obstetrics & gynecology physician records in Pennsylvania
Clara Marie Grayhack, MD 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 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
- Sonia Aneja, MDPittsburgh, PA 152121356584411
- Tracy Chen, M.D.Pittsburgh, PA 152121609301100
- Tabitha Delo, MDPittsburgh, PA 152121770777575
- Grace Ferguson, MDPittsburgh, PA 152121093058646
- James GarverPittsburgh, PA 152121972503225
- Lisa Hughes, MDPittsburgh, PA 152121336140367
- Nidhi Khosla, MDPittsburgh, PA 152121811227267
- Yasaswi Kislovskiy, MDPittsburgh, PA 152121972998243
Common questions
What is Clara Marie Grayhack, MD's NPI number?
Clara Marie Grayhack, MD's National Provider Identifier (NPI) is 1881222941, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Clara Marie Grayhack, MD located?
The NPPES record lists a practice address at 320 E North Ave, Pittsburgh, PA, 15212. Phone: (412) 578-5587. Providers update this record themselves, so call before visiting.
How can I verify Clara Marie Grayhack, MD's license?
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 Clara Marie Grayhack, MD prescribe under Medicare Part D?
In 2024, Clara Marie Grayhack, MD had 31 Medicare Part D claims for 15 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.