John Williamson, M.D.
Pain Medicine Physician · Huntsville, TX
John Williamson, M.D. is a pain medicine physician with a practice address in Huntsville, Texas, and NPI 1922069186, issued on Mar 29, 2006. Check the license (Texas J2414, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Williamson
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine Physician 208VP0000X
- License number
- J2414 TX
Self-reported in NPPES; status is on the state search - Practice location
- 133 Medical Park LN Ste B, Huntsville, TX 77340
- Phone
- (936) 730-8833
- Enumerated
- Mar 29, 2006
- Record last updated
- Dec 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (936) 730-8866
- Medicaid ID
- 141581201 TX
- Medicare enrollment
- Enrolled (PECOS I20100218000248); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine physician records → All 115 in Texas → Look up another NPI →
Also registered at 133 Medical Park LN Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anisa Gopalani, M.D.Pain Medicine Physician1174535033
- Stephen Sims, MDPain Medicine Physician1083623136
Verify John Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average pain medicine physician in 2024
2,773 Medicare Part D claims for 320 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 1,430 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen677 claims
- Gabapentin527 claims
- Tramadol Hcl178 claims
- Oxycodone-Acetaminophen171 claims
- Pregabalin130 claims
- Tizanidine Hcl118 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: $416.05
14 payments; by number, the most common kind was food and beverage; the largest payer was SI-Bone, Inc. The 769 providers of this specialty with any payment received $3,397.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Stephen M Sims MD PAHuntsville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Williamson among 115 pain medicine physician records in Texas
John Williamson, M.D. is one of 115 pain medicine physician records with a practice address in Texas. 90% 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, 60% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1991 · median 2006 among the 83 with a school on file
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine Physician providers in Texas
There are 115 pain medicine physician records in Texas.
All 115 in Texas → Every provider in Huntsville → Pain Medicine Physician nationwide →
The 8 pain medicine physician records with the nearest ZIP codes
- Anisa Gopalani, M.D.Huntsville, TX 773401174535033
- Stephen Sims, MDHuntsville, TX 773401083623136
- Srinivas Sunkavally, M.D.Livingston, TX 773511275622821
- Emad Bishai, MDShenandoah, TX 773801922062181
- Andrew Levine, M.D.Bellaire, TX 774011285781872
- Joseph Amos, M.D.Katy, TX 774501861668493
- Kenneth Kemp, MDSugar Land, TX 774781942392998
- Cheryl White, M.DSugar Land, TX 774781659348373
Common questions
What is John Williamson, M.D.'s NPI number?
John Williamson, M.D.'s National Provider Identifier (NPI) is 1922069186, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Williamson, M.D. located?
The NPPES record lists a practice address at 133 Medical Park LN Ste B, Huntsville, TX, 77340. Phone: (936) 730-8833. Providers update this record themselves, so call before visiting.
How can I verify John Williamson, M.D.'s license?
NPPES lists Texas license number J2414, 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 John Williamson, M.D. prescribe under Medicare Part D?
In 2024, John Williamson, M.D. had 2,773 Medicare Part D claims for 320 beneficiaries; the average among pain medicine physician prescribers was 2,095. 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.