Ethel Antonio, NP
Family Nurse Practitioner · Westlake Village, CA
Ethel Antonio, NP is a family nurse practitioner with a practice address in Westlake Village, California, and NPI 1386778967, issued on Mar 15, 2007. Check the license (California 95007507, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ethel Antonio
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95007507 CA
Self-reported in NPPES; status is on the state search - Practice location
- 31194 LA Baya Dr, Westlake Village, CA 91362
- Phone
- (805) 341-3416
- Enumerated
- Mar 15, 2007
- Record last updated
- Aug 5, 2026
- Fax
- (818) 369-0197
- Medicare enrollment
- Enrolled (PECOS I20190226000465); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 31194 LA Baya Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine McCune, RD,MARegistered Dietitian1366587149
Verify Ethel Antonio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95007507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family nurse practitioner in 2024
412 Medicare Part D claims for 56 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Quetiapine Fumarate58 claims
- Risperidone42 claims
- Divalproex Sodium31 claims
- Olanzapine29 claims
- Buspirone Hcl23 claims
- Venlafaxine Hcl Er20 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: $234.09
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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.
Bills Medicare through one group practice
- ZenmedicineWest Covina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ethel Antonio among 16,966 family nurse practitioner records in California
Ethel Antonio, NP 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 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2021 · median 2019 among the 6,793 with a school on file
- Record last updated2026 · 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).
15 family nurse practitioner records list a practice address in Westlake Village
They are 15 of the 1,397 NPPES records with a practice address in Westlake Village, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Westlake Village → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lynn Coates-Leisen, MSN, APRN, FNP-CThousand Oaks, CA 913621134523558
- Marichu Cortes, RNWestlake Village, CA 913621114535176
- Antonio Diaz Cooper, NPWestlake Village, CA 913621184418204
- Sara Houck, FNPThousand Oaks, CA 913621003448515
- Maritoni Tizon-Damiano, NPThousand Oaks, CA 913621225684566
- Ashley Bowen, FNPThousand Oaks, CA 913611356119457
- Maya Fahimipour, FNPThousand Oaks, CA 913611386295889
- Rita Kachakian, RN, BSN, FNPWestlake Village, CA 913611336608496
Common questions
What is Ethel Antonio, NP's NPI number?
Ethel Antonio, NP's National Provider Identifier (NPI) is 1386778967, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ethel Antonio, NP located?
The NPPES record lists a practice address at 31194 LA Baya Dr, Westlake Village, CA, 91362. Phone: (805) 341-3416. Providers update this record themselves, so call before visiting.
How can I verify Ethel Antonio, NP's license?
NPPES lists California license number 95007507, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ethel Antonio, NP prescribe under Medicare Part D?
In 2024, Ethel Antonio, NP had 412 Medicare Part D claims for 56 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.