Gregory L. McDonough
Internal Medicine Physician · Philadelphia, PA
Gregory L. McDonough is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1275020349, issued on Apr 15, 2018. Check the license (Pennsylvania MT215085, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregory L. McDonough
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT215085 PA
Self-reported in NPPES; status is on the state search - Practice location
- 833 Chestnut St Ste 220, Philadelphia, PA 19107
- Phone
- (215) 955-8465
- Enumerated
- Apr 15, 2018
- Record last updated
- May 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 955-2516
- Medicare enrollment
- Enrolled (PECOS I20230404001018); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2018
- Entity
- Type 1 · individual
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Also registered at 833 Chestnut St Ste 220
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Verify Gregory L. McDonough in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT215085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Critical Care Physician OF New York PCNewburgh, NY
- Critical Care Physicians OF New Jersey PCOld Bridge, NJ
- Critical Care Physicians OF Pennsylvania PCLanghorne, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory L. McDonough among 7,300 internal medicine physician records in Pennsylvania
Gregory L. McDonough is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 71% of them.
- NPI issued2018 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2008 among the 4,208 with a school on file
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Brady, MDPhiladelphia, PA 191071831187731
- Eileen Carpenter, MDPhiladelphia, PA 191071205805827
- Lillian Cohn, M.D.Philadelphia, PA 191071538160825
- Allan Crimm, M.D.Philadelphia, PA 191071720089170
- Lewis Deeugenio, M.D.Philadelphia, PA 191071780664847
- Richard Feldman, MDPhiladelphia, PA 191071417958661
- Jane Fitzpatrick, MDPhiladelphia, PA 191071003880675
- Zuleika Font, M.D.Philadelphia, PA 191071760483945
Common questions
What is Gregory L. McDonough's NPI number?
Gregory L. McDonough's National Provider Identifier (NPI) is 1275020349, issued on Apr 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gregory L. McDonough located?
The NPPES record lists a practice address at 833 Chestnut St Ste 220, Philadelphia, PA, 19107. Phone: (215) 955-8465. Providers update this record themselves, so call before visiting.
How can I verify Gregory L. McDonough's license?
NPPES lists Pennsylvania license number MT215085, 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. 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.