Quick answers
- Which hospitals does Nerissa U. Ko work at?
- Medicare's official clinician data lists Nerissa U. Ko at 1 hospital: UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nerissa U. Ko see patients?
- Medicare's clinician data lists 8 practice locations, including San Francisco, CA and Berkeley, CA. Call before your visit to confirm the address.
- What is Nerissa U. Ko's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Nerissa U. Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Nerissa U. Ko 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 Nerissa U. Ko offer telehealth?
- Medicare's clinician data says Nerissa U. Ko offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nerissa U. Ko?
- (415) 476-1000, as listed in official Medicare / NPI Registry data.
- What is Nerissa U. Ko's NPI number?
- 1821029059. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nerissa U. Ko works
Medicare's Facility Affiliation Data lists Nerissa U. Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Nerissa U. Ko is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1600 Divisadero StSan Francisco, CA 94115 (415) 476‑1000
- 1701 Divisadero StSan Francisco, CA 94115 (415) 476‑1000
- 3100 San Pablo AveBerkeley, CA 94702 (510) 985‑5020
- 400 Pamassus AveSan Francisco, CA 94143 (415) 476‑1316
- 400 Parnassus AveSan Francisco, CA 94143
Group practices
Medicare enrollment lists Nerissa U. Ko as a member of these groups (CMS data updated 2026-10-02).
- UCSF Medical Group Business Services1,598 clinicians in the group
- University Anesthesia Medical Group408 clinicians in the group
- UCSF Dept of Surgery215 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821029059 |
| 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