DR. JOHN DAVID WILLIAMS (M.D.) – Internal Medicine Physician, NPI 1528068426
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,476 INTERNAL MEDICINE in OK
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Provider Addresses for DR. JOHN DAVID WILLIAMS (M.D.)
608, South Hester Street, Original Townsite, Downtown Stillwater, Stillwater, Payne County, Oklahoma, 74074, United States
STILLWATER, OK 740744516
Phone: (405) 377-8000
Fax: (405) 377-8040
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)
CMS reports 39 Open Payments records for all available years, with a total value of $800.
Total Amount is formed as General ($800) + Research ($0) + Ownership ($0) = $800.
Last reported payment date: 2024-12-26 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($234).
Total Amount
$800
General + Research + Ownership
Payments
39
Total payment records
General Amount
$800
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-26
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2009-01-13
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 |
|---|---|---|---|---|
| I20090113000459 | I | Internal Medicine | 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.
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 | 1,181 | 227 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 415 | 221 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 380 | 231 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 288 | 225 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 228 | 214 | $0 |
Insurance plans in this area (ZIP 74074)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OK | 20610 | Aspiration and/or injection of large joint or joint capsule | 13 | 12 |
| INTERNAL MEDICINE | OK | 90670 | Pneumococcal vaccine for injection into muscle | 45 | 44 |
| INTERNAL MEDICINE | OK | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 61 | 58 |
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