Marinelle Marinelle Del Barrio Sebastian, FNP
Primary Care Nurse Practitioner · Thousand Oaks, CA
Marinelle Marinelle Del Barrio Sebastian, FNP is a primary care nurse practitioner with a practice address in Thousand Oaks, California, and NPI 1568134831, issued on Oct 4, 2021. Check the license (California 95017892, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marinelle Marinelle Del Barrio Sebastian
- Credential
- FNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 95017892 CA
Self-reported in NPPES; status is on the state search - Practice location
- 248 Hampshire RD Ste 200, Thousand Oaks, CA 91361
- Phone
- (805) 370-0040
- Enumerated
- Oct 4, 2021
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20231130003191); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Also registered at 248 Hampshire RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Gregg, MD PHDGastroenterology Physician1942769104
- Sophia Scattaglia, RDRegistered Dietitian1366114647
Verify Marinelle Marinelle Del Barrio Sebastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95017892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
263 Medicare Part D claims for 205 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf57 claims
- Pantoprazole Sodium38 claims
- Omeprazole32 claims
- Famotidine17 claims
- Cholestyramine14 claims
- Linzess14 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.
Bills Medicare through 2 group practices
- First Aid Urgent Care IncTujunga, CA
- The Regents OF The University OF CaliforniaThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marinelle Marinelle Del Barrio Sebastian among 1,131 primary care nurse practitioner records in California
Marinelle Marinelle Del Barrio Sebastian, FNP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 57% of them.
- NPI issued2021 · 57% of these records are older, 36% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2020 · median 2019 among the 398 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Thousand Oaks → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Mary Hanna, NP-BCWestlake Village, CA 913611396198479
- Aisling Kagan, AGNP-CThousand Oaks, CA 913611205512134
- Barbara Lee, FNPWestlake Village, CA 913611093183931
- Kevin Dobbs, DNP/FNPThousand Oaks, CA 913601134867369
- Robert UichancoThousand Oaks, CA 913601124905062
- Christie HuddyTarzana, CA 913561992455976
- Behnaz Javaherian, NPTarzana, CA 913561508026287
- Amber Walia, DNPTarzana, CA 913561659057313
Common questions
What is Marinelle Marinelle Del Barrio Sebastian, FNP's NPI number?
Marinelle Marinelle Del Barrio Sebastian, FNP's National Provider Identifier (NPI) is 1568134831, issued on Oct 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marinelle Marinelle Del Barrio Sebastian, FNP located?
The NPPES record lists a practice address at 248 Hampshire RD Ste 200, Thousand Oaks, CA, 91361. Phone: (805) 370-0040. Providers update this record themselves, so call before visiting.
How can I verify Marinelle Marinelle Del Barrio Sebastian, FNP's license?
NPPES lists California license number 95017892, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marinelle Marinelle Del Barrio Sebastian, FNP prescribe under Medicare Part D?
In 2024, Marinelle Marinelle Del Barrio Sebastian, FNP had 263 Medicare Part D claims for 205 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.