Gregory Alan Fortier, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

MD038076E Issued in PA

Practice address

260 N 7TH St
Chambersburg, PA 17201-1722

Phone

(717) 262-4660

NPI assigned

Sep 30, 2005

Last updated

Sep 8, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 9

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Radiation OncologyAlso: Diagnostic Radiology

Education

University of Virginia School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Wellspan Medical GroupGroup PAC ID 1951213115, 2,438 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Gettysburg Hospital Hospital, Gettysburg, PA, CCN 390065
• Wellspan Ephrata Community Hospital Hospital, Ephrata, PA, CCN 390225

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gfortier13859@wellspan.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Wellspan Medical Group

  dba WellSpan Digestive Health

  • Gastroenterology Physician
  • York, PA
  • NPI 1669770004
  Medicare reassignment Care Compare group NPD
• Wellspan Medical Group

  dba WellSpan Pediatric Surgical Specialist

  • Pediatric Surgery Physician
  • York, PA
  • NPI 1104799428
  NPD
• Wellspan Medical Group

  dba WellSpan Family Medicine - Philadelphia Avenue

  • Family Medicine Physician
  • Chambersburg, PA
  • NPI 1487366274
  NPD
• Quantum Imaging & Therapeutic Associates Inc

  • Diagnostic Radiology Physician
  • Lewisberry, PA
  • NPI 1609863893

  Radiation Oncology

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Ephrata Community Hospital

  dba WellSpan Ephrata Community Hospital

  • General Acute Care Hospital
  • Ephrata, PA
  • NPI 1083615587
  Care Compare affiliation
• Ephrata Community Hospital

  • General Acute Care Hospital
  • Ephrata, PA
  • NPI 1558558064
  Care Compare affiliation
• Ephrata Community Hospital

  dba Ephrata Hospitalist Group

  • Hospitalist Physician
  • Ephrata, PA
  • NPI 1700023041
  Care Compare affiliation
• Ephrata Community Hospital-Spu

  dba WellSpan Ephrata Community Hospital

  • Clinic/Center
  • Ephrata, PA
  • NPI 1548423684

  Hospital

  Care Compare affiliation
• The Gettysburg Hospital

  dba WellSpan Gettysburg Hospital SPU

  • Ambulatory Surgical Clinic/Center
  • Gettysburg, PA
  • NPI 1184882011

  Hospital

  Care Compare affiliation
• The Gettysburg Hospital

  • General Acute Care Hospital
  • Gettysburg, PA
  • NPI 1265466957
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1128038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1619964194",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "260 N 7TH ST",
            "city": "CHAMBERSBURG",
            "state": "PA",
            "postal_code": "172011722",
            "telephone_number": "717-262-4660"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 Monument Rd Ste 230",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174035049",
            "country_code": "US",
            "telephone_number": "717-741-8180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "40 V Twin Dr Ste 102",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173257878",
            "country_code": "US",
            "telephone_number": "717-339-2640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 Monument Rd Ste 94",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174035049",
            "country_code": "US",
            "telephone_number": "717-741-8180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 Monument Rd Ste 292",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174035060",
            "country_code": "US",
            "telephone_number": "717-741-8180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "671 Wilson Ave",
            "address_purpose": "LOCATION",
            "city": "Hanover",
            "state": "PA",
            "postal_code": "173319519",
            "country_code": "US",
            "telephone_number": "717-632-1559",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FORTIER",
        "first_name": "GREGORY",
        "middle_name": "ALAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-30",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "PA",
            "license": "MD038076E",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001085414",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4275150",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST MD BCBS",
            "identifier": "919374",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GATEWAY WMG",
            "identifier": "1521067",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNISON-WMG",
            "identifier": "237305",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAPITAL BLUE CROSS-WMG",
            "identifier": "50074886",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "JOHNS HOPKINS",
            "identifier": "031981",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BLUE SHIELD",
            "identifier": "135874",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH MERCY-WMG",
            "identifier": "20069234",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jolene Fogelsanger, LBS
• Lucille Folino, DO
• Folium, Inc.
• Amy Ellen Folk
• Matthew Howard Folk, PHARMD
• Carol Jo Fortney, RDH, PHDHP
• Kristen Yannone Foster, SLP
• Aubrey E Fox, PA-C
• Teresa Mae Fox, PTA
• Ekezie Moses Chidiebere Francis, M.D

• Radiation Oncology Physician in Chambersburg, PA
• Providers in Chambersburg, PA by specialty
• Radiation Oncology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.