Quick answers
- Which hospitals does Elson Haas work at?
- Medicare's official clinician data lists Elson Haas at 3 hospitals: Alta Bates Summit Medical Center, Marinhealth Medical Center and Novato Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Elson Haas see patients?
- Medicare's clinician data lists 1 practice location in San Rafael, CA. Call before your visit to confirm the address.
- What is Elson Haas's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Elson Haas accept Medicare assignment?
- Yes. Medicare's clinician data says Elson Haas 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 Elson Haas offer telehealth?
- Medicare's clinician data says Elson Haas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Elson Haas?
- (415) 472-2343, as listed in official Medicare / NPI Registry data.
- What is Elson Haas's NPI number?
- 1740318112. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Elson Haas works
Medicare's Facility Affiliation Data lists Elson Haas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
Practice locations
Addresses where Elson Haas is enrolled with Medicare (CMS data updated 2026-10-02).
- 4340 Redwood Hwy, Suite A 22San Rafael, CA 94903 (415) 472‑2343
Specialties
- General Practiceprimary
Other general practitioners in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1740318112 |
| 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