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JOHN JOSEPH O'NEILL III FNP
NPI 1346946571
Nurse Practitioner - Family in Forest Falls, CA

Active since January 31, 2023PECOS Enrolled
9261 HEMLOCK DR, FOREST FALLS, CA 92339(619) 933-2586 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Joseph O'neill Iii Fnp NPPES

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

JOHN JOSEPH O'NEILL III FNP (NPI 1346946571) is an individual family provider in Forest Falls, California, licensed in California (95022649) and active in the NPI registry since January 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346946571
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameJOHN JOSEPH O'NEILL IIICredential: FNP
Location Address9261 HEMLOCK DRForest Falls, CA 92339
Mailing AddressPo Box 81Forest Falls, CA 92339-0081 · (619) 933-2586
Phone(619) 933-2586
Sole ProprietorYes
Enumeration DateJanuary 31, 2023
NPPES CertifiedJanuary 24, 2023
✔ NPI 1346946571 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
License✔ Licensed in CA · 95022649
9261 HEMLOCK DR, Forest Falls, CA 92339
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Joseph O'neill Iii Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 92339 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.

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 John O'neill's NPI number?

The NPI number for John O'neill is 1346946571. It was assigned to this individual provider in the NPPES registry on January 31, 2023.

Where is John O'neill located?

John O'neill practices at 9261 Hemlock Dr, Forest Falls, CA 92339. The listed phone number is (619) 933-2586.

What is John O'neill's specialty?

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

Is John O'neill enrolled in Medicare?

Yes. John O'neill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John O'neill was last updated on January 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.