Quick answers
- Where does Jason L. Willis see patients?
- Medicare's clinician data lists 4 practice locations, including Saipan, MP. Call before your visit to confirm the address.
- What is Jason L. Willis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jason L. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says Jason L. Willis 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 Jason L. Willis?
- (670) 234-5242, as listed in official Medicare / NPI Registry data.
- What is Jason L. Willis's NPI number?
- 1679603153. 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 Jason L. Willis is enrolled with Medicare (CMS data updated 2026-10-02).
- 856 Chalan Tun Thomas P SablanSaipan, MP 96950 (670) 234‑5242
- 856 Chalan Tun Thomas P Sablan, San AntonioSaipan, MP 96950 (670) 234‑5242
- PO BoxSaipan, MP 96950
- PO Box, Suite 500409Saipan, MP 96950
Group practices
Medicare enrollment lists Jason L. Willis as a member of this group (CMS data updated 2026-10-02).
- Kagman Community Health Center Inc10 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in Northern Mariana Islands →
Other internal medicine doctors in Saipan
Clinicians with the same Medicare primary specialty in Saipan, MP — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679603153 |
| 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