Quick answers
- Does Jacob B. Rosewater accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob B. Rosewater 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 Jacob B. Rosewater's NPI number?
- 1225787815. 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 Jacob B. Rosewater is enrolled with Medicare (CMS data updated October 2, 2026).
- 1019 Gayley Ave, Fl 2Los Angeles, CA 90024 (424) 273‑8900
- 2001 Wilshire Blvd, Suite 320Santa Monica, CA 90403 (855) 501‑1004
Group practices
Medicare enrollment lists Jacob B. Rosewater as a member of this group (CMS data updated October 2, 2026).
- Mark David Levine MD Professional Corporation181 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Mark David Levine MD Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225787815 |
| 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