STEPHAN M YOST (PA-C) – Medical Physician Assistant, NPI 1063497931
Medical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,797 PHYSICIAN ASSISTANT in OK
Provider Addresses for STEPHAN M YOST (PA-C)
1011 Honor Heights Dr
Jack C. Montgomery VA Medical Center
Muskogee, OK 744011318
Phone: (918) 577-4001
Fax: (918) 577-4019
Type: Location
Northeastern Health System, 1400, East Downing Street, Tahlequah, Cherokee County, Oklahoma, 74464, United States
TAHLEQUAH, OK 744643324
Phone: (918) 456-0641
Type: Location
2281 STATE ROUTE CC
WEST PLAINS, MO 657755116
Phone: (417) 274-1358
Type: Mailing
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: 2004-10-01
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 |
|---|---|---|---|---|
| I20041001000001 | I | Physician Assistant | MO | 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 74401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Family Practice | MO | |
| - | IL | |
| Internal Medicine, Rheumatology | MO | |
| A N E S T H E S I O L O G Y | MO | |
| - | MO | |
| - | IL | |
| Nurse Practitioner | AR | |
| Internal Medicine | MO |
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