Karen Sue O'Hara, RNP
Obstetrics & Gynecology Nurse Practitioner · Corona, CA
Karen Sue O'Hara, RNP is an obstetrics & gynecology nurse practitioner with a practice address in Corona, California, and NPI 1518155076, issued on Oct 10, 2007. Check the license (California NP12044, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Sue O'Hara
- Credential
- RNP
- Primary taxonomy
- Obstetrics & Gynecology Nurse Practitioner 363LX0001X
- License number
- NP12044 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3415 Via Giovanni Cir, Corona, CA 92881
- Phone
- (951) 737-9091
- Enumerated
- Oct 10, 2007
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology nurse practitioner records → All 394 in California → Look up another NPI →
Verify Karen Sue O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP12044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024
155 Medicare Part D claims for 39 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Estradiol31 claims
- Imvexxy30 claims
- Estradiol (Once Weekly)22 claims
- Progesterone22 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: $127.31
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,033 providers of this specialty with any payment received $439.39 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.
Karen Sue O'Hara among 394 obstetrics & gynecology nurse practitioner records in California
Karen Sue O'Hara, RNP is one of 394 obstetrics & gynecology nurse practitioner records with a practice address in California. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 39% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Nurse Practitioner providers in California
There are 394 obstetrics & gynecology nurse practitioner records in California.
All 394 in California → Every provider in Corona → Obstetrics & Gynecology Nurse Practitioner nationwide →
The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes
- Isabel Garcia, N.P.Corona, CA 928791740327899
- Deborah Rajapakse, RNPCorona, CA 928831962849471
- Darlene Tydingco, WHNPYorba Linda, CA 928861770221988
- Jessica Brownrigg, RN, NPYorba Linda, CA 928871912193947
- Linda Lin Ya HuangYorba Linda, CA 928871154508158
- Tina Abolhassani Bloomer, NPOrange, CA 928691043382666
- Catalina Campos, WHNPOrange, CA 928681366073702
- Adela V Castillo, NPOrange, CA 928681366524530
Common questions
What is Karen Sue O'Hara, RNP's NPI number?
Karen Sue O'Hara, RNP's National Provider Identifier (NPI) is 1518155076, issued on Oct 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Sue O'Hara, RNP located?
The NPPES record lists a practice address at 3415 Via Giovanni Cir, Corona, CA, 92881. Phone: (951) 737-9091. Providers update this record themselves, so call before visiting.
How can I verify Karen Sue O'Hara, RNP's license?
NPPES lists California license number NP12044, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Sue O'Hara, RNP prescribe under Medicare Part D?
In 2024, Karen Sue O'Hara, RNP had 155 Medicare Part D claims for 39 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.