Quick answers
- Where does William K. Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Sugar Land, TX and Houston, TX. Call before your visit to confirm the address.
- What is William K. Johnson's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does William K. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says William K. Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William K. Johnson?
- (866) 607-2308, as listed in official Medicare / NPI Registry data.
- What is William K. Johnson's NPI number?
- 1891798682. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William K. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 15200 Southwest Fwy, Suite 290Sugar Land, TX 77478 (866) 607‑2308
- 16840 Buccaneer Ln, Suite 120Houston, TX 77058 (866) 607‑2308
Group practices
Medicare enrollment lists William K. Johnson as a member of this group (CMS data updated 2026-10-02).
- Texas Group PLLC13 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891798682 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians