Kathryn O'Brien, FNP
Family Nurse Practitioner · Sacramento, CA
Kathryn O'Brien, FNP is a family nurse practitioner with a practice address in Sacramento, California, and NPI 1326802950, issued on Feb 13, 2024. Check the license (California 95029059, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn O'Brien
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95029059 CA
Self-reported in NPPES; status is on the state search - Practice location
- 840 8TH Ave, Sacramento, CA 95818
- Phone
- (916) 284-1446
- Enumerated
- Feb 13, 2024
- Record last updated
- Feb 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20250414001688); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Verify Kathryn O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95029059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family nurse practitioner in 2024
149 Medicare Part D claims for 43 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Clopidogrel17 claims
- Atorvastatin Calcium14 claims
- Metoprolol Succinate14 claims
- Brilinta11 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: $137.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 99,489 providers of this specialty with any payment received $650.95 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.
Kathryn O'Brien among 16,966 family nurse practitioner records in California
Kathryn O'Brien, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2023 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 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 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
444 family nurse practitioner records list a practice address in Sacramento
They are 444 of the 33,083 NPPES records with a practice address in Sacramento, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Sacramento → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Melanie ChoiSacramento, CA 958181760231666
- Sokkunthair Kem, NPSacramento, CA 958181992141840
- Lyndsay Anderson, MSN, FNPSacramento, CA 958191265708671
- Christine Anderson, F.N.P.Sacramento, CA 958191356764351
- Yesenia AndradeSacramento, CA 958171740059658
- Allan Dumlao, DNP, MS, FNP-CSacramento, CA 958171295500783
- Laurisa Elhai, N.P.Sacramento, CA 958191982628376
- Allison Horsley, FNPSacramento, CA 958171508686064
Common questions
What is Kathryn O'Brien, FNP's NPI number?
Kathryn O'Brien, FNP's National Provider Identifier (NPI) is 1326802950, issued on Feb 13, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn O'Brien, FNP located?
The NPPES record lists a practice address at 840 8TH Ave, Sacramento, CA, 95818. Phone: (916) 284-1446. Providers update this record themselves, so call before visiting.
How can I verify Kathryn O'Brien, FNP's license?
NPPES lists California license number 95029059, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn O'Brien, FNP prescribe under Medicare Part D?
In 2024, Kathryn O'Brien, FNP had 149 Medicare Part D claims for 43 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.