Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory Alan Fortier, MD

Individual provider Radiation Oncology Physician · NPI 1619964194

Gregory Alan Fortier, MD is a Radiation Oncology in York, Pennsylvania. Graduated from University of Virginia School of Medicine in 1983, 43 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
43
Trained at
University of Virginia School of Medicine
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

25 Monument Rd Ste 94
York, PA 17403-5060
Phone: (717) 741-8180
Fax: (717) 741-8196
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 260 N 7th St, Chambersburg, PA 17201-1722 — (717) 262-4660

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD038076E (PA)

Record details

NPI number1619964194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2005
Last updated in NPPESSeptember 15, 2020
Certification dateSeptember 15, 2020
Mailing address3421 Concord Rd, York, PA 17402-9001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Also practisesDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

Other providers in York