Joan Okasako, NURSE PRACTITIONER
NPI 1700956653 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Okasako, NURSE PRACTITIONER is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1700956653).
Provider details
- NPI number
- 1700956653
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- No
- License
- 11191 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 90 | 27 |
| Eltrombopag Olaminebrand: Promacta | 27 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | — |
| Cyclosporine, Modifiedbrand: Gengraf | 15 | — |
| Anagrelide Hcl | 14 | — |
| Acyclovir | 12 | — |
| Eltrombopag Cholinebrand: Alvaiz | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2022-01-03
- Certified
- 2022-01-03
Frequently asked questions
- What is Joan Okasako's NPI number?
- Joan Okasako's National Provider Identifier (NPI) is 1700956653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Okasako's specialty?
- Joan Okasako is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joan Okasako located?
- Joan Okasako's practice location on file with NPPES is Kaiser Permanente, San Francisco, CA 94115.
- What is Joan Okasako's phone number?
- The practice phone number listed in the NPPES registry for Joan Okasako is (415) 833-4372.
- Does Joan Okasako accept Medicare?
- Joan Okasako is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Okasako's NPI active?
- Yes — Joan Okasako's NPI (1700956653) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.