What is Tomiko Oskotsky's NPI number?

Tomiko Oskotsky's National Provider Identifier (NPI) is 1164391629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tomiko Oskotsky's specialty?

Tomiko Oskotsky is listed in the NPPES registry with a primary specialty of Research Clinic/Center (Ambulatory Health Care Facilities).

Where is Tomiko Oskotsky located?

Tomiko Oskotsky's practice location on file with NPPES is 490 Illinois St, San Francisco, CA 94143-2510.

What is Tomiko Oskotsky's phone number?

The practice phone number listed in the NPPES registry for Tomiko Oskotsky is (650) 336-4056.

Is Tomiko Oskotsky's NPI active?

Yes — Tomiko Oskotsky's NPI (1164391629) is active in the NPPES registry as of the last update on 2025-11-03.

IndividualActive

Tomiko Oskotsky, MD

NPI 1164391629 · Research Clinic/Center · San Francisco, CA

Tomiko Oskotsky, MD is a Research Clinic/Center provider in San Francisco, CA (NPI 1164391629).

Provider details

NPI number: 1164391629
Entity type: Individual
Primary specialty: Research Clinic/CenterAmbulatory Health Care Facilities
Credential: MD
Sex: Female
Sole proprietor: Yes
License: A65902 (CA)

Specialties & taxonomies

Research Clinic/CenterPrimary261QR1100XLicense A65902 (CA)
Ambulatory Health Care Facilities

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

490 Illinois St

San Francisco, CA 94143-2510

Phone: (650) 336-4056

Street-level locationGet directions

More CA providers

Mailing address