Quick answers
- Where does Jonathan D. Weiss see patients?
- Medicare's clinician data lists 2 practice locations, including Berkeley, CA and Oakland, CA. Call before your visit to confirm the address.
- What is Jonathan D. Weiss's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Jonathan D. Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan D. Weiss 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 Jonathan D. Weiss?
- (510) 985-5020, as listed in official Medicare / NPI Registry data.
- What is Jonathan D. Weiss's NPI number?
- 1770523771. 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 Jonathan D. Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 3100 San Pablo AveBerkeley, CA 94702 (510) 985‑5020
- 747 52nd StOakland, CA 94609 (510) 428‑3000
Group practices
Medicare enrollment lists Jonathan D. Weiss as a member of these groups (CMS data updated 2026-10-02).
- UCSF Medical Group Business Services1,598 clinicians in the group
- UCSF Health Medical Foundation66 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Berkeley
Clinicians with the same Medicare primary specialty in Berkeley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770523771 |
| 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