Thomas H. Williamson, MD
Internal Medicine Physician · Warner Robins, GA
Thomas H. Williamson, MD is an internal medicine physician with a practice address in Warner Robins, Georgia, and NPI 1457377525, issued on Jul 14, 2006. Check the license (Georgia 042144, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas H. Williamson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 042144 GA
Self-reported in NPPES; status is on the state search - Practice location
- 310 Margie Dr, Warner Robins, GA 31088
- Phone
- (478) 333-3278
- Enumerated
- Jul 14, 2006
- Record last updated
- Feb 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (478) 333-3894
- Medicare enrollment
- Enrolled (PECOS I20050413000588); accepts Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Verify Thomas H. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 042144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average internal medicine physician in 2024
4,217 Medicare Part D claims for 202 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 282 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen194 claims
- Methylprednisolone130 claims
- Alprazolam117 claims
- Levothyroxine Sodium117 claims
- Gabapentin112 claims
- Atorvastatin Calcium105 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Careconnect Health IncRichland, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas H. Williamson among 3,911 internal medicine physician records in Georgia
Thomas H. Williamson, MD is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1995 · median 2005 among the 2,535 with a school on file
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Warner Robins
They are 36 of the 1,726 NPPES records with a practice address in Warner Robins, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Warner Robins → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maher Abdulla, M.D.Warner Robins, GA 310881316997489
- Mousa Alwawi, MDWarner Robins, GA 310881922057876
- Michael Brady, MDWarner Robins, GA 310881528010246
- Becky Campbell, MDWarner Robins, GA 310881174551048
- Charles Edenfield, M.D.Warner Robins, GA 310881467492785
- Michele Edwards-Paschal, MDWarner Robins, GA 310881477565810
- Hariyebbe Jayaraj, MD PCWarner Robins, GA 310881790720852
- Gayatri Kamat, M.D.Warner Robins, GA 310881134215072
Common questions
What is Thomas H. Williamson, MD's NPI number?
Thomas H. Williamson, MD's National Provider Identifier (NPI) is 1457377525, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas H. Williamson, MD located?
The NPPES record lists a practice address at 310 Margie Dr, Warner Robins, GA, 31088. Phone: (478) 333-3278. Providers update this record themselves, so call before visiting.
How can I verify Thomas H. Williamson, MD's license?
NPPES lists Georgia license number 042144, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas H. Williamson, MD prescribe under Medicare Part D?
In 2024, Thomas H. Williamson, MD had 4,217 Medicare Part D claims for 202 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.