Theresa Anne O' Hair, FNP
Acute Care Nurse Practitioner · Oroville, CA
Theresa Anne O' Hair, FNP is an acute care nurse practitioner with a practice address in Oroville, California, and NPI 1942467519, issued on May 20, 2008. Check the license (California 18067, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Anne O' Hair
- Credential
- FNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 18067 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2721 Olive Hwy, Oroville, CA 95966
- Phone
- (530) 533-1554
- Enumerated
- May 20, 2008
- Record last updated
- Oct 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 2721 Olive Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mammen Chandy, M.D.Surgery Physician1689743064
- Nathaniel Howard, MDGastroenterology Physician1558325787
- Thomas Mundorff, MDInternal Medicine Physician1154385383
- Jasveena Rai Dhugga, FNP-CFamily Nurse Practitioner1285347864
- Eric Redmer, PHARMDPharmacist1457405243
- Roy Shannon, MDInternal Medicine Physician1104880335
Verify Theresa Anne O' Hair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average acute care nurse practitioner in 2024
3,940 Medicare Part D claims for 321 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium277 claims
- Lisinopril200 claims
- Metformin Hcl193 claims
- Amlodipine Besylate166 claims
- Buprenorphine-Naloxone125 claims
- Levothyroxine Sodium124 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $984.79
45 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Theresa Anne O' Hair among 1,810 acute care nurse practitioner records in California
Theresa Anne O' Hair, FNP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 11% of them.
- NPI issued2008 · 11% of these records are older, 87% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2012 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in Oroville → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Jennifer Gustafson, NPOroville, CA 959661639475254
- Candice Coursey, NPQuincy, CA 959711891092052
- Laura Orange, APRNQuincy, CA 959711346772910
- Lauren Singh, AGACNP-BCChico, CA 959731821784976
- Daisy GenoveYuba City, CA 959931154211936
- Shaina Beer, AGACNP-BCRedding, CA 960011811593106
- Marvin Delgado, AG-ACNPRedding, CA 960011740962026
- Ashley Freeborn, AGACNP-BCRedding, CA 960011205650504
Common questions
What is Theresa Anne O' Hair, FNP's NPI number?
Theresa Anne O' Hair, FNP's National Provider Identifier (NPI) is 1942467519, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Anne O' Hair, FNP located?
The NPPES record lists a practice address at 2721 Olive Hwy, Oroville, CA, 95966. Phone: (530) 533-1554. Providers update this record themselves, so call before visiting.
How can I verify Theresa Anne O' Hair, FNP's license?
NPPES lists California license number 18067, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Anne O' Hair, FNP prescribe under Medicare Part D?
In 2024, Theresa Anne O' Hair, FNP had 3,940 Medicare Part D claims for 321 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.