DR. JOHN PATRICK SEYMOUR (M.D.,M.P.H) – Preventive Medicine/Occupational Environmental Medicine Physician, NPI 1285647719
Preventive Medicine/Occupational Environmental Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
26 PREVENTIVE MEDICINE in OR
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Provider Addresses for DR. JOHN PATRICK SEYMOUR (M.D.,M.P.H)
Interstate Medical Office Central, 3600, North Interstate Avenue, Overlook, Portland, Metro, Multnomah County, Oregon, 97227, United States
PORTLAND, OR 972271106
Phone: (503) 249-3531
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.
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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: 2025-06-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20060502000072 | I | Preventive Medicine | OR | TBD |
| I20250610000697 | I | Preventive Medicine | WA | 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 97227)
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