GREGORY ALAN FORTIER (MD) – Radiation Oncology Physician, NPI 1619964194
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
420 RADIATION ONCOLOGY in PA
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Provider Addresses for GREGORY ALAN FORTIER (MD)
3421, Concord Road, Spring Plains, Springettsbury Township, York County, Pennsylvania, 17402, United States
YORK, PA 174029001
Phone: (717) 741-8180
Fax: (717) 741-8196
Type: Mailing
Apple Hill Medical Center, 25, Monument Road, York, York County, Pennsylvania, 17403, United States
SUITE 94
YORK, PA 174035060
Phone: (717) 741-8180
Fax: (717) 741-8196
Type: Location
260 N 7th St
Chambersburg, PA 172011722
Phone: (717) 262-4660
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-03-24
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080324000150 | I | Radiation Oncology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 17402)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | PA | |
| - | PA | |
| - | PA | |
| Gastroenterology, Internal Medicine | PA | |
| Hospitalist, Internal Medicine | PA | |
| Nurse Practitioner | PA | |
| Physician Assistant | PA | |
| Nurse Practitioner | PA | |
| Physician Assistant | VA | |
| Internal Medicine | PA |
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