Gregory Alan Fortier, MD
Radiation Oncology Physician · York, PA
Gregory Alan Fortier, MD is a radiation oncology physician with a practice address in York, Pennsylvania, and NPI 1619964194, issued on Sep 30, 2005. Check the license (Pennsylvania MD038076E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregory Alan Fortier
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD038076E PA
Self-reported in NPPES; status is on the state search - Practice location
- 25 Monument RD, York, PA 17403
- Phone
- (717) 741-8180
- Enumerated
- Sep 30, 2005
- Record last updated
- Sep 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (717) 741-8196
- Medicaid ID
- 001085414 PA
- Medicare enrollment
- Enrolled (PECOS I20080324000150); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 383 in Pennsylvania → Look up another NPI →
Also registered at 25 Monument RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vanita Ahuja, M.D.Surgery Physician1578617395
- Courtney Ayres, PAMedical Physician Assistant1699926576
- Richard Baker, MDInternal Medicine Physician1922028596
- Amanda Beattie, MDSurgery Physician1861651341
- Thomas Beierschmitt, OTRLHand Occupational Therapist1720433923
- Anthony Bixler, RPHPharmacist1619228913
Verify Gregory Alan Fortier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD038076ECheck 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 one group practice
- Wellspan Medical GroupYork, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Alan Fortier among 383 radiation oncology physician records in Pennsylvania
Gregory Alan Fortier, MD is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1983 · median 2004 among the 285 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Pennsylvania
There are 383 radiation oncology physician records in Pennsylvania.
All 383 in Pennsylvania → Every provider in York → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Justin Cohen, MDYork, PA 174031205325701
- Reena Pramanik, D.O.York, PA 174031053479790
- Amit Shah, MDYork, PA 174031760479034
- Navesh Sharma, D.O., PH.D.York, PA 174031124268859
- Ori Shokek, M.D.York, PA 174031043226285
- James Tegeler, MDYork, PA 174031184611196
- Sherif Yacoub, M.D.York, PA 174031821099912
- Angela Derobertis, MDYork, PA 174081669463279
Common questions
What is Gregory Alan Fortier, MD's NPI number?
Gregory Alan Fortier, MD's National Provider Identifier (NPI) is 1619964194, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Alan Fortier, MD located?
The NPPES record lists a practice address at 25 Monument RD, York, PA, 17403. Phone: (717) 741-8180. Providers update this record themselves, so call before visiting.
How can I verify Gregory Alan Fortier, MD's license?
NPPES lists Pennsylvania license number MD038076E, 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.