TAMMY MICHELLE WILLIAMS (PA-C) – Physician Assistant, NPI 1528031655
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,797 PHYSICIAN ASSISTANT in OK
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Provider Addresses for TAMMY MICHELLE WILLIAMS (PA-C)
601 E WASHINGTON ST
IDABEL, OK 747453319
Phone: (580) 286-6688
Fax: (580) 286-6699
Type: Mailing
601, Southeast Washington Street, Idabel, McCurtain County, Oklahoma, 74745, United States
IDABEL, OK 747453319
Phone: (580) 286-6688
Fax: (580) 286-6699
Type: Location
457 S Mississippi Ave
Atoka, OK 745252500
Phone: (580) 889-4746
Fax: (580) 889-4735
Type: Location
610 E 24th St
Tishomingo, OK 734603245
Phone: (580) 371-2343
Fax: (580) 371-3614
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $79.
Total Amount is formed as General ($79) + Research ($0) + Ownership ($0) = $79.
Last reported payment date: 2024-08-13 • Largest payer in this snapshot: Novo Nordisk Inc ($45).
Total Amount
$79
General + Research + Ownership
Payments
5
Total payment records
General Amount
$79
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $45 |
| PFIZER INC. | $19 |
| Merck Sharp & Dohme LLC | $13 |
| Organon LLC | $2 |
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: 2008-09-12
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 |
|---|---|---|---|---|
| I20080912000432 | I | Physician Assistant | OK | 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 74745)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OK | |
| Family Practice | OK | |
| - | OK | |
| Clinical Social Worker | OK | |
| - | OK | |
| Family Practice, Emergency Medicine | TN | |
| Nurse Practitioner | OK | |
| General Practice | OK | |
| Family Practice, General Practice | TX | |
| Physician Assistant | OK |
Reviews
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