Thyssen V. Castaneto, FNP-C
Family Nurse Practitioner · Harbor City, CA
Thyssen V. Castaneto, FNP-C is a family nurse practitioner with a practice address in Harbor City, California, and NPI 1508344821, issued on Jul 30, 2018. Check the license (California NP95009001, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thyssen V. Castaneto
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- NP95009001 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25825 Vermont Ave, Harbor City, CA 90710
- Phone
- (310) 517-3150
- Enumerated
- Jul 30, 2018
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- NP95009001 CA
- Medicare enrollment
- Enrolled (PECOS I20200820003345); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 25825 Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kamren AckermanPhysical Therapist1104412352
- Bradley Ackerson, MDPediatric Infectious Diseases Physician1255490918
- Yossef Aelony, MDPulmonary Disease Physician1619178597
- Lisa Agustines, MDObstetrics & Gynecology Physician1750452736
Verify Thyssen V. Castaneto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95009001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family nurse practitioner in 2024
94 Medicare Part D claims for 61 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Prednisone11 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 one group practice
- Southern California Permanente Medical GroupRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thyssen V. Castaneto among 16,966 family nurse practitioner records in California
Thyssen V. Castaneto, FNP-C 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 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2018 · median 2019 among the 6,793 with a school on file
- Record last updated2021 · 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).
11 family nurse practitioner records list a practice address in Harbor City
They are 11 of the 958 NPPES records with a practice address in Harbor City, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Harbor City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christiana Abraham, NPHarbor City, CA 907101447855911
- Suzanne Cyril, RN, FNPHarbor City, CA 907101669623245
- Mitos Rachel DalingHarbor City, CA 907101972118263
- Rahal Ehsan, NPHarbor City, CA 907101710553268
- Helen Fagundes, FNPHarbor City, CA 907101831628403
- Maria Mathews MartinLos Angeles, CA 907101891478442
- Holly Pressburg, NPHarbor City, CA 907101154478071
- Nicole Robinson, FNPHarbor City, CA 907101619457991
Common questions
What is Thyssen V. Castaneto, FNP-C's NPI number?
Thyssen V. Castaneto, FNP-C's National Provider Identifier (NPI) is 1508344821, issued on Jul 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thyssen V. Castaneto, FNP-C located?
The NPPES record lists a practice address at 25825 Vermont Ave, Harbor City, CA, 90710. Phone: (310) 517-3150. Providers update this record themselves, so call before visiting.
How can I verify Thyssen V. Castaneto, FNP-C's license?
NPPES lists California license number NP95009001, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Thyssen V. Castaneto, FNP-C prescribe under Medicare Part D?
In 2024, Thyssen V. Castaneto, FNP-C had 94 Medicare Part D claims for 61 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.