NPPES file of Aug 9, 2026

Allen C. Williamson, D.O.

Family Medicine Physician · Woodville, TX

Allen C. Williamson, D.O. is a family medicine physician with a practice address in Woodville, Texas, and NPI 1548269566, issued on Jul 20, 2005. Check the license (Texas K2630, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548269566
Name
Allen C. Williamson
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
K2630 TX
Self-reported in NPPES; status is on the state search
Practice location
104 N Beech St, Woodville, TX 75979
Phone
(409) 283-2822
Enumerated
Jul 20, 2005
Record last updated
Jun 24, 2026
Fax
(409) 283-7888
Medicare enrollment
Enrolled (PECOS I20101123000784); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →

Also registered at 104 N Beech St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Brown, MD PAFamily Medicine Physician1518963545
  2. James Clark, M.D.General Practice Physician1326274119
  3. Bukola DurojaiyeFamily Nurse Practitioner1225583271
  4. Kathleen Harris, N.P.Family Nurse Practitioner1700117603
  5. Floyd Pohle, MDPediatrics Physician1316945769
  6. Lisa Proctor, APRN FNP-CFamily Nurse Practitioner1508521584

Verify Allen C. Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K2630    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.7 times the Medicare Part D claims of the average family medicine physician in 2024

9,434 Medicare Part D claims for 987 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 46 claims were for opioids.

  1. Allen Williamson9,434
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium524 claims
  2. Amlodipine Besylate371 claims
  3. Levothyroxine Sodium352 claims
  4. Gabapentin256 claims
  5. Lisinopril240 claims
  6. Metformin Hcl228 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.

Industry payments in 2024: $445.80

24 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Allen Williamson$445.80
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Tyler County Hospital DistrictWoodville, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allen C. Williamson among 11,119 family medicine physician records in Texas

Allen C. Williamson, D.O. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1995 · median 2004 among the 7,095 with a school on file
  • Record last updated2026 · 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 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 family medicine physician records list a practice address in Woodville

They are 5 of the 55 NPPES records with a practice address in Woodville, and 11,119 family medicine physician records in Texas.

All 11,119 in Texas → Every provider in Woodville → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. James Brown, MD PAWoodville, TX 759791518963545
  2. Paula Denson, M.D.Woodville, TX 759791073510285
  3. Nicole Ellison, M.D.Woodville, TX 759791013013721
  4. Kerry Evans, MDWoodville, TX 759791174696140
  5. Sara Oglesbee, MDSan Augustine, TX 759721235873357
  6. John Oglesbee, M.D.San Augustine, TX 759721265412787
  7. Brian Carlin, M.D.Pollok, TX 759691871674093
  8. Jimmie Bussey, M.D.Newton, TX 759661659443760

Common questions

What is Allen C. Williamson, D.O.'s NPI number?

Allen C. Williamson, D.O.'s National Provider Identifier (NPI) is 1548269566, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Allen C. Williamson, D.O. located?

The NPPES record lists a practice address at 104 N Beech St, Woodville, TX, 75979. Phone: (409) 283-2822. Providers update this record themselves, so call before visiting.

How can I verify Allen C. Williamson, D.O.'s license?

NPPES lists Texas license number K2630, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Allen C. Williamson, D.O. prescribe under Medicare Part D?

In 2024, Allen C. Williamson, D.O. had 9,434 Medicare Part D claims for 987 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.