Quick answers
- Which hospitals does Sima P. Porten work at?
- Medicare's official clinician data lists Sima P. Porten at 5 hospitals: Marinhealth Medical Center, Novato Community Hospital, Providence Queen of the Valley Medical Center, Providence Santa Rosa Memorial Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sima P. Porten see patients?
- Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
- What is Sima P. Porten's specialty?
- Medicare lists Urology as the primary specialty.
- Does Sima P. Porten accept Medicare assignment?
- Yes. Medicare's clinician data says Sima P. Porten 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 Sima P. Porten offer telehealth?
- Medicare's clinician data says Sima P. Porten offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sima P. Porten?
- (415) 476-1000, as listed in official Medicare / NPI Registry data.
- What is Sima P. Porten's NPI number?
- 1124157474. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sima P. Porten works
Medicare's Facility Affiliation Data lists Sima P. Porten 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
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · CCN 050009
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Sima P. Porten is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
- 400 Parnassus Ave, McB300San Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists Sima P. Porten as a member of these groups (CMS data updated 2026-10-02).
- University of California San Francisco1,839 clinicians in the group
- UCSF Medical Group Business Services1,598 clinicians in the group
Specialties
- Urologyprimary
Other urologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124157474 |
| 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