Quick answers
- Which hospitals does Jennifer E. Hasa work at?
- Medicare's official clinician data lists Jennifer E. Hasa at 3 hospitals: Marinhealth Medical Center, 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 Jennifer E. Hasa see patients?
- Medicare's clinician data lists 2 practice locations, including Sonoma, CA. Call before your visit to confirm the address.
- What is Jennifer E. Hasa's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Jennifer E. Hasa accept Medicare assignment?
- Medicare's clinician data says Jennifer E. Hasa may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Jennifer E. Hasa?
- (707) 939-6070, as listed in official Medicare / NPI Registry data.
- What is Jennifer E. Hasa's NPI number?
- 1982951851. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jennifer E. Hasa works
Medicare's Facility Affiliation Data lists Jennifer E. Hasa 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
- 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 Jennifer E. Hasa is enrolled with Medicare (CMS data updated 2026-10-02).
- 19270 Hwy 12Sonoma, CA 95476 (707) 939‑6070
- 19270 Sonoma Hwy 12Sonoma, CA 95476
Group practices
Medicare enrollment lists Jennifer E. Hasa as a member of this group (CMS data updated 2026-10-02).
- Sonoma Valley Community Health Center20 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sonoma
Clinicians with the same Medicare primary specialty in Sonoma, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1982951851 |
| 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