Nicholas J. Grego, D.O.
Family Medicine Physician · Philadelphia, PA
Nicholas J. Grego, D.O. is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1114966314, issued on Jun 5, 2006. Check the license (Pennsylvania OS003907L, 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
- Nicholas J. Grego
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS003907L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Jackson St, Philadelphia, PA 19145
- Phone
- (215) 826-8050
- Enumerated
- Jun 5, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (215) 826-8053
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Nicholas J. Grego in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS003907LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nicholas J. Grego among 7,483 family medicine physician records in Pennsylvania
Nicholas J. Grego, D.O. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 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 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
800 family medicine physician records list a practice address in Philadelphia
They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,483 in Pennsylvania → Every provider in Philadelphia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Attanasio, D.O.Philadelphia, PA 191451174593958
- Katie Dougherty, D.O.Philadelphia, PA 191451962433649
- Adam Ellis, D.O.Philadelphia, PA 191451760548879
- Shannon Fleming, M.D.Philadelphia, PA 191451336594043
- Charles Gabis, M.D.Philadelphia, PA 191451760758957
- Eric Kaminetsky, D.O., PHARM.D.Philadelphia, PA 191451093969164
- A Mingle, MDPhiladelphia, PA 191451447320551
- Anda Oprea, DOPhiladelphia, PA 191451164860565
Common questions
What is Nicholas J. Grego, D.O.'s NPI number?
Nicholas J. Grego, D.O.'s National Provider Identifier (NPI) is 1114966314, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas J. Grego, D.O. located?
The NPPES record lists a practice address at 1800 Jackson St, Philadelphia, PA, 19145. Phone: (215) 826-8050. Providers update this record themselves, so call before visiting.
How can I verify Nicholas J. Grego, D.O.'s license?
NPPES lists Pennsylvania license number OS003907L, 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.