MS. SARA FRANCES OKABAYASHI-WILLIAMS FNP
NPI 1427169762
Nurse Practitioner - Family in Daly City, CA

Q: What is Sara Okabayashi-williams's NPI number?

The NPI number for Sara Okabayashi-williams is 1427169762. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Q: What is Sara Okabayashi-williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment

380 90TH ST, DALY CITY, CA 94015(650) 301-8406(650) 301-8626 Get Directions Write a Review

NPPES record last updated: July 10, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Ms. Sara Frances Okabayashi-williams Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. SARA FRANCES OKABAYASHI-WILLIAMS FNP (NPI 1427169762) is an individual family provider in Daly City, California, licensed in California (20390) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1427169762

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMS. SARA FRANCES OKABAYASHI-WILLIAMSCredential: FNP

Location Address380 90TH STDaly City, CA 94015-1807

Mailing Address380 90th StDaly City, CA 94015-1807 · (650) 301-8406 · Fax (650) 301-8626

Phone(650) 301-8406

Fax(650) 301-8626

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateAugust 31, 2006

Last NPPES UpdateJuly 10, 2012

✔ NPI 1427169762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in CA · 20390✔ Licensed in NY · F334934-1

380 90TH ST, Daly City, CA 94015

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Sara Frances Okabayashi-williams Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294812525

PECOS Enrollment IDI20080410000253, I20111028000550

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sara Okabayashi-williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of San Mateo

Same address

Multi-Specialty

380 90TH ST
Daly City, CA 94015

Reassigned Medicare billing, California enrollment
Also billed through NPI 1831268580 (California)
597 clinicians in this Medicare group

NPI 1255400909 (650) 573-2222

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers29 claims64 services$3.84 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers15 claims15 services$0.83 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ESTHER JIN KIM M.D.

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