Quick answers
- Where does Bonnie K. Dwyer see patients?
- Medicare's clinician data lists 1 practice location in Fremont, CA. Call before your visit to confirm the address.
- What is Bonnie K. Dwyer's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty, and also Internal Medicine.
- Does Bonnie K. Dwyer accept Medicare assignment?
- Yes. Medicare's clinician data says Bonnie K. Dwyer 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 Bonnie K. Dwyer?
- (510) 490-1222, as listed in official Medicare / NPI Registry data.
- What is Bonnie K. Dwyer's NPI number?
- 1164564100. 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 Bonnie K. Dwyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
Group practices
Medicare enrollment lists Bonnie K. Dwyer as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
- Internal Medicinealso
Other OB-GYNs in Fremont
Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164564100 |
| 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