JOHN PETER HALFEN (M.D.) – Family Medicine Physician, NPI 1932199379
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for JOHN PETER HALFEN (M.D.)
83, Staples Ridge Road, Swans Island, Hancock County, Maine, 04685, United States
STAPLES, MN 564795280
Phone: (218) 894-1515
Fax: (218) 894-1316
Mailing address matches the actual address.
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: 2003-12-12
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20031212000302 | I | Family Practice | MN | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 56479)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MN | |
| Clinical Social Worker | MN | |
| Family Practice | MN | |
| Nurse Practitioner | MN | |
| - | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Internal Medicine, Pulmonary Disease, Pulmonary Disease, Internal Medicine, Critical Care (Intensivists), Critical Care (Intensivists) | IA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MN | |
| Emergency Medicine, Family Practice | MN | |
| Diagnostic Radiology | MN |
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