Joan Yae Okasako, NP

  • San Francisco, CA
  • Family nurse practitioner
NPI1700956653PAC ID7517145204
Part D claims, 2024
304
Industry payments
$52
Affiliated sites
2
Medical group
1
State license
1
Practice address
2238 Geary Blvd, San Francisco, CA 94115
Practice phone
Call (415) 833-3700
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

San Francisco Medical Center - Mammography

Mammography / Breast Imaging Center · San Francisco, California

See all 3 affiliations

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Joan Yae Okasako is a family nurse practitioner in San Francisco, California

Joan Okasako practices at San Francisco Medical Center - Mammography in San Francisco, California.

Joan Okasako's NPI, 1700956653, was assigned on November 8, 2006. Joan Okasako holds California license 11191.

NPI and contact details
Medicare PAC ID
7517145204
NPI enumeration date
November 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 833-3700
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Joan Yae Okasako practices at San Francisco Medical Center - Mammography in San Francisco, California

Joan Okasako's primary practice is San Francisco Medical Center - Mammography, at 2238 Geary Blvd, San Francisco, CA 94115. The practice phone is (415) 833-3700.

  • San Francisco Medical Center - Mammography
    2238 Geary Blvd, San Francisco, CA 94115Phone(415) 833-3700

Source: Dmand AI Affiliation Data

Joan Yae Okasako is affiliated with 2 sites of care and 1 medical group

Joan Okasako's primary practice is San Francisco Medical Center - Mammography in San Francisco, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Joan Okasako to 1 more group practice or clinic, named with a free account. Joan Okasako's employer is on file too: a breast imaging center.

See all 3 affiliations for Joan Okasako

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Joan Yae Okasako's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Joan Okasako practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Francisco Medical Center - MammographyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Joan Yae Okasako is one of 13,532 family nurse practitioners in California

Family is Joan Okasako's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Joan Okasako is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 11191 · taxonomy 363LF0000X

Family nurse practitioners near Joan Okasako

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Joan Yae Okasako's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Joan Okasako's median patient age at 69, with 53% women.

Joan Okasako's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women53%
  • Men45%

Source: Dmand AI Patient Panel Data

Joan Yae Okasako wrote 304 Medicare Part D claims in 2024

In 2024, Joan Okasako wrote 304 Medicare Part D claims for 77 patients. 77% of them were for generic drugs. CMS names the drug for 196 of them, across 8 drugs with 11 or more claims each, at $249,586 in total drug cost.

Part D claims, 2024304
Drugs named by CMS8
Total drug cost$249,586
Part D patients77

Joan Okasako's Part D claims by kind of drug, 2024

  • Generic233 claims77%
  • Brand-name71 claims23%

Joan Okasako's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Joan Okasako's Part D claims, 2024

  • Opioids9%28 of 304 claims
  • Antibiotics5%16 of 304 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Joan Okasako

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Joan Yae Okasako takes part in Medicare

Joan Okasako accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Joan Yae Okasako received $52 in industry payments in 2025

CMS Open Payments shows 2 general payments to Joan Okasako from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $52.

Companies that paid Joan Okasako the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Joan Okasako

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Joan Yae Okasako's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Joan Yae Okasako

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Joan Yae Okasako's NPI number?

Joan Yae Okasako's NPI number is 1700956653. It was assigned on November 8, 2006, and it is active in the NPI Registry.

What does Joan Yae Okasako specialize in?

Joan Yae Okasako is a family nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Joan Yae Okasako practice?

Joan Okasako practices at 2238 Geary Blvd, San Francisco, CA 94115. Joan Okasako's primary practice is San Francisco Medical Center - Mammography in San Francisco, California. Dmand AI also links Joan Okasako to 1 group practice or clinic.

What is Joan Yae Okasako's office phone number?

The practice phone on file for Joan Okasako is (415) 833-3700.

What is Joan Yae Okasako's medical license number?

Joan Okasako holds California license 11191.

What medical group is Joan Yae Okasako part of?

Joan Okasako is linked to The Permanente Medical Group, Inc.

Does Joan Yae Okasako accept Medicare?

Yes. CMS lists Joan Okasako as accepting Medicare assignment.

What drugs does Joan Yae Okasako prescribe most?

In 2024 Medicare Part D data, Joan Okasako's most prescribed drugs by claims were Hydroxyurea, Promacta and Hydrocodone-Acetaminophen.

Has Joan Yae Okasako received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Joan Okasako from 1 company from 2025 to 2025. The largest total came from Teleflex LLC.

How long has Joan Yae Okasako been practicing?

Joan Okasako graduated from medical school in 1999, 27 years ago.

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