Quick answers
- Which hospitals does Sara A. Keck work at?
- Medicare's official clinician data lists Sara A. Keck at 4 hospitals: Marinhealth Medical Center, Petaluma Valley Hospital, Providence Santa Rosa Memorial Hospital and Sonoma Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara A. Keck see patients?
- Medicare's clinician data lists 5 practice locations, including Petaluma, CA, Santa Rosa, CA and Anaheim, CA. Call before your visit to confirm the address.
- What is Sara A. Keck's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does Sara A. Keck accept Medicare assignment?
- Yes. Medicare's clinician data says Sara A. Keck 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 Sara A. Keck offer telehealth?
- Medicare's clinician data says Sara A. Keck offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sara A. Keck?
- (707) 546-3210, as listed in official Medicare / NPI Registry data.
- What is Sara A. Keck's NPI number?
- 1770743312. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara A. Keck works
Medicare's Facility Affiliation Data lists Sara A. Keck at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · CCN 050136
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · CCN 050090
Practice locations
Addresses where Sara A. Keck is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Lynch Creek WayPetaluma, CA 94954
- 1165 Montgomery DrSanta Rosa, CA 95405 (707) 546‑3210
- 200 W Ctr St PromenadeAnaheim, CA 92805
- 3555 Round Barn CirSanta Rosa, CA 95403 (707) 528‑1050
- 500 Doyle Park DrSanta Rosa, CA 95405
Group practices
Medicare enrollment lists Sara A. Keck as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
- Medical Oncologyalso
Other hematologist-oncologists in Petaluma
Clinicians with the same Medicare primary specialty in Petaluma, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770743312 |
| 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