Quick answers
- Which hospitals does Steven Katznelson work at?
- Medicare's official clinician data lists Steven Katznelson at 5 hospitals: California Pacific Medical Center- Van Ness Campus, Mad River Community Hospital, Sutter Delta Medical Center, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Katznelson see patients?
- Medicare's clinician data lists 9 practice locations, including San Francisco, CA, Fresno, CA and Sacramento, CA. Call before your visit to confirm the address.
- What is Steven Katznelson's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Steven Katznelson accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Katznelson 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 Steven Katznelson offer telehealth?
- Medicare's clinician data says Steven Katznelson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Steven Katznelson?
- (415) 600-0140, as listed in official Medicare / NPI Registry data.
- What is Steven Katznelson's NPI number?
- 1225059520. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Katznelson works
Medicare's Facility Affiliation Data lists Steven Katznelson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · CCN 050047
- Mad River Community HospitalArcata, CA · Acute Care Hospital · CCN 050028
- Sutter Delta Medical CenterAntioch, CA · Acute Care Hospital · CCN 050523
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
Practice locations
Addresses where Steven Katznelson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1100 Van Ness AveSan Francisco, CA 94109 (415) 600‑0140
- 1101 Van Ness AveSan Francisco, CA 94109 (415) 600‑6000
- 1189 E Herndon Ave, Suite 103Fresno, CA 93720 (916) 732‑4380
- 1315 Alhambra Blvd, Suite 210Sacramento, CA 95816 (916) 732‑4380
- 151 N Sunrise Ave, Suite 1205Roseville, CA 95661 (415) 600‑1010
Group practices
Medicare enrollment lists Steven Katznelson as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225059520 |
| 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