MS. THERESA ANNE O' HAIR FNP
NPI 1942467519
Nurse Practitioner - Acute Care in Oroville, CA
About Ms. Theresa Anne O' Hair Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. THERESA ANNE O' HAIR FNP (NPI 1942467519) is an individual acute care provider in Oroville, California, licensed in California (18067) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
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 and accepts Medicare assignment
Ms. Theresa Anne O' Hair 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.
Medicare Billing Reassignments
2Medicare enrollment records show Theresa O' Hair reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oroville, CA 95966
- Reassigned Medicare billing, California enrollment
- 126 clinicians in this Medicare group
Oroville, CA 95965
- Reassigned Medicare billing, California enrollment
- 61 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 95966 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Theresa O' Hair's NPI number?
The NPI number for Theresa O' Hair is 1942467519. It was assigned to this individual provider in the NPPES registry on May 20, 2008.
Where is Theresa O' Hair located?
Theresa O' Hair practices at 2721 Olive Hwy, Oroville, CA 95966. The listed phone number is (530) 533-1554.
What is Theresa O' Hair's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Theresa O' Hair enrolled in Medicare?
Yes. Theresa O' Hair 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.
Which organizations bill Medicare for Theresa O' Hair's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa O' Hair reassigns Medicare benefits to 2 organizations: Ampla Health (Oroville, CA) and Feather River Tribal Health Inc (Oroville, CA). Each 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 Theresa O' Hair'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 Theresa O' Hair was last updated on October 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ms. Theresa Anne O' Hair, FNP · NPI 1942467519
Acute Care physician in Oroville, California. Individual provider, active in the CMS NPPES registry since May 20, 2008.
## Identity
- **NPI:** 1942467519 (Entity type: Individual)
- **Enumerated:** May 20, 2008
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 18067 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2721 OLIVE HWY, Oroville, CA 95966-6115
- **Phone:** (530) 533-1554
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ampla Health (NPI 1952333635, Oroville, CA); Feather River Tribal Health Inc (NPI 1629130240, Oroville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** October 19, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1942467519) · Data from the CMS NPPES public registry.