What is Grant Oshita's NPI number?

Grant Oshita's National Provider Identifier (NPI) is 1225780927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Grant Oshita's specialty?

Grant Oshita is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Grant Oshita located?

Grant Oshita's practice location on file with NPPES is 521 Parnassus Ave # 440, San Francisco, CA 94143-2206.

What is Grant Oshita's phone number?

The practice phone number listed in the NPPES registry for Grant Oshita is (415) 476-8226.

Is Grant Oshita's NPI active?

Yes — Grant Oshita's NPI (1225780927) is active in the NPPES registry as of the last update on 2025-10-23.

IndividualActive

Grant Oshita, MD, DDS

NPI 1225780927 · Dentist · San Francisco, CA

Grant Oshita, MD, DDS is a Dentist provider in San Francisco, CA (NPI 1225780927).

Provider details

NPI number: 1225780927
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: MD, DDS
Sex: Male
Sole proprietor: No
License: 105881 (CA)

Specialties & taxonomies

DentistPrimary122300000XLicense 105881 (CA)
Dental Providers

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 yrs in NPPES 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

521 Parnassus Ave # 440

San Francisco, CA 94143-2206

Phone: (415) 476-8226

Street-level locationGet directions

More CA providers

Mailing address