John Williamson, M.D.
Anesthesiology · Pain Management (CMS) · Huntsville, TX
At a glance
133 Medical Park Ln Ste B, Huntsville, TX 77340-4979
NPPES record updated Dec 11, 2019. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
133 Medical Park Ln Ste BHuntsville, TX 77340-4979
Additional reported practice locations
1020 Riverwood Ct Ste 200Conroe, TX 773042974
Phone: 9367563444
Fax: 9367563452 1901 Medi Park
Suite 2002
Amarillo, TX 791062110
Phone: 8063534699
Fax: 8063534551
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1991
- CMS specialties
- Anesthesiology · Pain Management
Practice groups
Reported hospital affiliations
- Aspire Hospital Conroe, TX
- Chi St Lukes Health Memorial Livingston Livingston, TX
- Huntsville Memorial Hospital Huntsville, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $300.97 |
Reporting companies
| Company | Amount |
|---|---|
| ABBOTT LABORATORIES | $164.23 |
| SPR THERAPEUTICS, INC | $44.61 |
| ABBVIE INC. | $25.69 |
| NALU MEDICAL, INC. | $20.98 |
| MERCK SHARP & DOHME LLC | $16.82 |
| DEPUY SYNTHES SALES INC. | $14.49 |
| SI-BONE, INC. | $14.15 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Anesthesiology · Pain Management (CMS)
- Taxonomy code
- 208VP0000X
- Enumeration date
- Mar 29, 2006
- Record updated
- Dec 11, 2019
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
208VP0000X · Primary
License reported: J2414 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
133 Medical Park Ln Ste BHuntsville, TX 77340-4979
- Phone
- (936) 730-8833
- Fax
- (936) 730-8866
Mailing address
4400 FM 1061AMARILLO, TX 791244716
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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