Quick answers
- Does Tammi J. Watson accept Medicare assignment?
- Yes. Medicare's clinician data says Tammi J. Watson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Tammi J. Watson's NPI number?
- 1992799381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tammi J. Watson works
Medicare's Facility Affiliation Data lists Tammi J. Watson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- The Woman's Hospital of TexasHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450674
Practice locations
Addresses where Tammi J. Watson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1135 E CedarAngelton, TX 77515 (979) 849‑8287
- 7500 Fannin St, Suite 400Houston, TX 77054 (713) 795‑1000
- 7915 Cypress Creek PkwyHouston, TX 77070 (281) 890‑1182
Group practices
Medicare enrollment lists Tammi J. Watson as a member of this group (CMS data updated October 2, 2026).
- Hwca, PLLC10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Hwca, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992799381 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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