Mary Theresa Greybush, DO
Obstetrics & Gynecology Physician · Philadelphia, PA
Mary Theresa Greybush, DO is an obstetrics & gynecology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1942206495, issued on Jun 21, 2005. Check the license (Pennsylvania OS009279L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Theresa Greybush
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- OS009279L PA
Self-reported in NPPES; status is on the state search - Practice location
- 7996 Oxford Ave, Philadelphia, PA 19111
- Phone
- (215) 728-1411
- Enumerated
- Jun 21, 2005
- Record last updated
- Apr 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 745-7578
- Entity
- Type 1 · individual
Also registered at 7996 Oxford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Ballay, MDObstetrics & Gynecology Physician1649275199
- Jenine Boileau, M.D.Obstetrics & Gynecology Physician1396139697
- Phyllis Briggs, CRNPObstetrics & Gynecology Nurse Practitioner1073519179
- Lindsay Curtis, M.D.Obstetrics & Gynecology Physician1447411699
- Stacy Lexow, MDObstetrics & Gynecology Physician1629074109
- Joseph Maloney, MDGynecology Physician1851397954
Verify Mary Theresa Greybush in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS009279LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Obstetrics & Gynecology Physician providers in Pennsylvania
There are 1,974 obstetrics & gynecology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,974 in Pennsylvania → Every provider in Philadelphia →
Other obstetrics & gynecology physician records in Pennsylvania
- Nagi Abadier, MDReading, PA1144335498
- Kristin Abbruzzi, DOBethlehem, PA1396753331
- Dina AbdelsamadPittsburgh, PA1265264717
- Annabelle Abdo, DOPhiladelphia, PA1518583665
- Joseph Abdul-Malak, MD, MBAHermitage, PA1679198188
- Michael Abdul-Malak, MDHermitage, PA1053317990
- Natasha Abdullah, MDPhiladelphia, PA1427673110
- Kathryn Abello, M.D.Lancaster, PA1760446694
- Alice Abernathy, MDPhiladelphia, PA1740711498
- Shenali Abeysekera, M.D.Easton, PA1942550363
Common questions
What is Mary Theresa Greybush, DO's NPI number?
Mary Theresa Greybush, DO's National Provider Identifier (NPI) is 1942206495, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Theresa Greybush, DO located?
The NPPES record lists a practice address at 7996 Oxford Ave, Philadelphia, PA, 19111. Phone: (215) 728-1411. Providers update this record themselves, so call before visiting.
How can I verify Mary Theresa Greybush, DO's license?
NPPES lists Pennsylvania license number OS009279L, 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. 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.