THOMAS H. WILLIAMSON (MD) – Internal Medicine Physician, NPI 1457377525
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,405 INTERNAL MEDICINE in GA
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Provider Addresses for THOMAS H. WILLIAMSON (MD)
310, Margie Drive, Warner Robins, Houston County, Georgia, 31088, United States
STE B
WARNER ROBINS, GA 310887817
Phone: (478) 333-3278
Fax: (478) 333-3894
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 1 Open Payments records for all available years, with a total value of $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2023-09-08 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $14 |
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: 2005-04-13
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 |
|---|---|---|---|---|
| I20050413000588 | I | Internal Medicine | GA | 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 |
|---|---|---|---|---|
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 305 | 138 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 173 | 74 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 163 | 144 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 159 | 79 | $0 |
| 81003 | Automated urinalysis test | 125 | 101 | $0 |
Insurance plans in this area (ZIP 31088)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| Emergency Medicine, Internal Medicine | NY | |
| Family Practice, General Surgery | GA | |
| Emergency Medicine | GA | |
| Hospitalist, Internal Medicine | GA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | GA | |
| Obstetrics/Gynecology, Interventional Pain Management | GA | |
| Family Practice | IL | |
| Family Practice | GA | |
| General Practice | GA |
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