Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. SARRAH ELIZABETH OAKESON AGNP-C
NPI 1598490740
Nurse Practitioner - Gerontology in Ontario, CA

Active since July 21, 2022PECOS EnrolledAccepts Medicare Assignment
3110 E GUASTI RD STE 315, ONTARIO, CA 91761(346) 376-1702 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Mar 2, 2023, Jul 21, 2022 (3 updates tracked since 2022).

About Mrs. Sarrah Elizabeth Oakeson Agnp-c NPPES

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

MRS. SARRAH ELIZABETH OAKESON AGNP-C (NPI 1598490740) is an individual gerontology provider in Ontario, California, licensed in California (95021105) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1598490740
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMRS. SARRAH ELIZABETH OAKESONCredential: AGNP-C
Location Address3110 E GUASTI RD STE 315Ontario, CA 91761-1258
Mailing Address17855 Dallas Pkwy Ste 200Dallas, TX 75287-6857 · (346) 376-1702 · Fax (224) 532-2780
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJuly 21, 2022
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
NPI 1598490740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in CA · 95021105
3110 E GUASTI RD STE 315, Ontario, CA 91761

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sarrah Elizabeth Oakeson Agnp-c 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 ID6103209416
PECOS Enrollment IDI20220819000883
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91761 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Other Providers at the Same Location NPPES 6

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

Nurse Practitioner (Family)
3110 E GUASTI RD STE 315
ONTARIO, CA 91761
Nurse Practitioner (Family)
3110 E GUASTI RD STE 315
ONTARIO, CA 91761
Hospice Care, Community Based
3110 E GUASTI RD STE 315
ONTARIO, CA 91761
Nurse Practitioner (Family)
3110 E GUASTI RD STE 315
ONTARIO, CA 91761
Nurse Practitioner (Family)
3110 E GUASTI RD STE 315
ONTARIO, CA 91761
Nurse Practitioner (Primary Care)
3110 E GUASTI RD STE 315
ONTARIO, CA 91761

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarrah Oakeson's NPI number?

The NPI number for Sarrah Oakeson is 1598490740. It was assigned to this individual provider in the NPPES registry on July 21, 2022.

Where is Sarrah Oakeson located?

Sarrah Oakeson practices at 3110 E Guasti Rd Ste 315, Ontario, CA 91761. The listed phone number is (346) 376-1702.

What is Sarrah Oakeson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Sarrah Oakeson enrolled in Medicare?

Yes. Sarrah Oakeson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sarrah Oakeson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.