Quick answers
- Does Tiffany L. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany L. Willis 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 Tiffany L. Willis's NPI number?
- 1750370383. 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 Tiffany L. Willis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 633 Gov Carlos Camacho Rd, Suite 210Tamuning, GU 96913 (671) 649‑1001
- 6690 Kagman RdSaipan, MP 96950 (670) 783‑8365
- 6690 Kagman Rd, Kagman Commercial Building Unit GSaipan, MP 96950 (670) 783‑8365
- 856 Chalan Tun Thomas P SablanSaipan, MP 96950 (670) 234‑5242
- 856 Chalan Tun Thomas P Sablan, San AntonioSaipan, MP 96950 (670) 234‑5242
Group practices
Medicare enrollment lists Tiffany L. Willis as a member of these groups (CMS data updated October 2, 2026).
- Guam X-Ray30 clinicians in the group
- Kagman Community Health Center Inc10 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Tamuning
Clinicians with the same Medicare primary specialty in Tamuning, GU — not a recommendation.
Other clinicians in Guam X-Ray
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750370383 |
| 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 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