JOHN JOSEPH O'NEILL III FNP
NPI 1346946571
Nurse Practitioner - Family in Forest Falls, CA
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
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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).
Medicare Billing Reassignment
Medicare enrollment records show John O'neill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92507
- Reassigned Medicare billing, California enrollment
- 304 clinicians in this Medicare group
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 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.
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.
Which organization bills Medicare for John O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John O'neill reassigns Medicare benefits to American Current Care Of California, A Medical Corporation (Riverside, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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.
# John Joseph O'neill III, FNP · NPI 1346946571
Family physician in Forest Falls, California. Individual provider, active in the CMS NPPES registry since January 31, 2023.
## Identity
- **NPI:** 1346946571 (Entity type: Individual)
- **Enumerated:** January 31, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95022649 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9261 HEMLOCK DR, Forest Falls, CA 92339
- **Phone:** (619) 933-2586
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** American Current Care Of California, A Medical Corporation (NPI 1851868020, Riverside, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1346946571) · Data from the CMS NPPES public registry.