Quick answers
- Where does Jacob E. Posner see patients?
- Medicare's clinician data lists 6 practice locations, including San Jose, CA, Campbell, CA and Santa Clara, CA. Call before your visit to confirm the address.
- What is Jacob E. Posner's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jacob E. Posner accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob E. Posner 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 Jacob E. Posner?
- (408) 785-6344, as listed in official Medicare / NPI Registry data.
- What is Jacob E. Posner's NPI number?
- 1891422283. 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 E. Posner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1411 Berryessa Rd, Suite 30San Jose, CA 95133 (408) 785‑6344
- 1760 S Bascom Ave, Suite 140Campbell, CA 95008 (408) 214‑9732
- 2712 Augustine Dr, Suite 120Santa Clara, CA 95054 (408) 780‑2542
- 377 Santana Row, Suite 1180San Jose, CA 95128 (669) 247‑4773
- 5120 Cherry Ave, Suite 20San Jose, CA 95118 (408) 780‑2532
Group practices
Medicare enrollment lists Jacob E. Posner as a member of these groups (CMS data updated 2026-10-02).
- Carbon Health Medical Group of California PC334 clinicians in the group
- Livwell Healthcare Solutions PC11 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891422283 |
| 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