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By the Bay Health
Home health agency Sonoma, CA
355 West Napa Street, Suite a, Sonoma, CA 95476 · (707) 935-5135
Medicare star rating 2.5
Patient survey rating 4
OwnershipGovernment Operated
Medicare-certified sinceFeb 27, 1989
85% would definitely recommend
Services: Nursing, Physical therapy, Occupational therapy, Speech therapy, Medical social services, Home health aide
Quality measures compared with California and the U.S.
| Measure | This provider | California average | U.S. average |
|---|---|---|---|
| Began patients' care in a timely manner | 97.4% | 95.4% | 96.6% |
| Patients got better at walking or moving around | 81.7% | 86.3% | 88.6% |
| Patients got better at getting in and out of bed | 87.3% | 86.1% | 89.8% |
| Patients got better at bathing | 79% | 89.1% | 90.7% |
| Patients' breathing improved | 93.9% | 88.9% | 91.5% |
| Patients got better at taking medicines by mouth | 72.7% | 85.2% | 88.3% |
| Checked whether patients got a flu shot | 72.7% | 69.8% | 63.3% |
| Patients with a fall with major injury (lower is better) | 1.6% | 0.6% | 0.9% |
| New or worse pressure ulcers (lower is better) | 0% | — | 0.2% |
Medicare spending per episode compared with the U.S. average: 1.08
What patients said
- 85% would definitely recommend
- 90% rated it 9 or 10
- 92 completed surveys
Areas it serves
By the Bay Health lists 20 ZIP codes in its service area, including these cities:
- Santa Rosa, CA
- Napa, CA
- Petaluma, CA
- San Rafael, CA
- Rohnert Park, CA
- Windsor, CA
- Larkspur, CA
- Healdsburg, CA
- Sonoma, CA
Ratings describe past performance reported to CMS and can change. Confirm insurance, availability and services directly with the provider, and talk to your doctor or care team. Source: CMS Provider Data Catalog, Home Health Care Agencies (released Sep 21, 2026).