NANCY OAKLEY CFNP
NPI 1619902491
Nurse Practitioner - Family in Chino Hills, CA

Q: What is Nancy Oakley's NPI number?

The NPI number for Nancy Oakley is 1619902491. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Nancy Oakley's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nancy Oakley was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.

Active since July 11, 2006PECOS Enrolled

2140 GRAND AVE STE 125, CHINO HILLS, CA 91709(909) 630-7875(909) 469-2107 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 15, 2022, Dec 30, 2021 (2 updates tracked since 2021).

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About Nancy Oakley Cfnp NPPES

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

NANCY OAKLEY CFNP (NPI 1619902491) is an individual family provider in Chino Hills, California, licensed in California (NPF1575) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1984).

NPPES Registry Identity

NPI1619902491

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameNANCY OAKLEYCredential: CFNP

Location Address2140 GRAND AVE STE 125Chino Hills, CA 91709-6802

Mailing Address2140 Grand Ave Ste 125Chino Hills, CA 91709-6802 · (909) 630-7875 · Fax (909) 469-2107

Phone(909) 630-7875

Fax(909) 469-2107

Sole ProprietorNo

Medical School CMSOtherGraduated 1984

Enumeration DateJuly 11, 2006

Last NPPES UpdateFebruary 25, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 25, 2026

✔ NPI 1619902491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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

Taxonomy Code363LF0000X

License✔ Licensed in CA · NPF1575

Also ListedNurse PractitionerTaxonomy 363L00000X · License RN308842 (CA)

2140 GRAND AVE STE 125, Chino Hills, CA 91709

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Other Identifiers 1

Medicaid1619902491CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy Oakley Cfnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6709984545

PECOS Enrollment IDI20070601000542

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 Nancy Oakley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Premier Family Medicine Associates, Inc

Same address

Health Service

2140 GRAND AVE STE 125
Chino Hills, CA 91709

Reassigned Medicare billing, California enrollment
50 clinicians in this Medicare group

NPI 1730112426 (909) 630-7875

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

29 services26 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

28 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91709 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 8

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

JAY SHAH DO

Family Medicine (Sports Medicine)