Quick answers
- Which hospitals does Janet M. Hahn work at?
- Medicare's official clinician data lists Janet M. Hahn at 1 hospital: Kaiser Foundation Hospital - Walnut Creek. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Janet M. Hahn see patients?
- Medicare's clinician data lists 1 practice location in Richmond, CA. Call before your visit to confirm the address.
- What is Janet M. Hahn's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Janet M. Hahn accept Medicare assignment?
- Yes. Medicare's clinician data says Janet M. Hahn 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.
- Does Janet M. Hahn offer telehealth?
- Medicare's clinician data says Janet M. Hahn offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Janet M. Hahn?
- (510) 307-1500, as listed in official Medicare / NPI Registry data.
- What is Janet M. Hahn's NPI number?
- 1841362654. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Janet M. Hahn works
Medicare's Facility Affiliation Data lists Janet M. Hahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - Walnut CreekWalnut Creek, CA · Acute Care Hospital · CCN 050072
Practice locations
Addresses where Janet M. Hahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 901 Nevin AveRichmond, CA 94801 (510) 307‑1500
Group practices
Medicare enrollment lists Janet M. Hahn as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Richmond
Clinicians with the same Medicare primary specialty in Richmond, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841362654 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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