Oscar Brian Castillo, NP
Psychiatric/Mental Health Nurse Practitioner · Fresno, CA
Oscar Brian Castillo, NP is a psychiatric/mental health nurse practitioner with a practice address in Fresno, California, and NPI 1396382206, issued on Dec 10, 2019. Check the license (California 95013959, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oscar Brian Castillo
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 95013959 CA
APRN11017450 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2719 N Air Fresno Dr, Fresno, CA 93727
- Phone
- (559) 600-9060
- Enumerated
- Dec 10, 2019
- Record last updated
- Apr 15, 2026
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Also registered at 2719 N Air Fresno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Alvarado Inzunza, LVNLicensed Vocational Nurse1700309929
- Yerlina AlvarezSocial Worker1548874712
- Marco Alvarez-ToscanoSocial Worker1497438238
- Maria Amezola, LMFTMarriage & Family Therapist1124241419
- Sarthak AngalChild & Adolescent Psychiatry Physician1982232799
- Louis Angel, CADC-IIAddiction (Substance Use Disorder) Counselor1942506811
Verify Oscar Brian Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95013959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
19 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Oscar Brian Castillo among 4,226 psychiatric/mental health nurse practitioner records in California
Oscar Brian Castillo, NP is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 35% of them.
- NPI issued2019 · 35% of these records are older, 59% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2026 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in California
There are 4,226 psychiatric/mental health nurse practitioner records in California.
All 4,226 in California → Every provider in Fresno → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Fady BoulesFresno, CA 937271639541022
- Harshpreet KhroudFresno, CA 937271063279776
- Ann Thomas, NPFresno, CA 937271114336658
- Darryl Barallon, NPFresno, CA 937261851177679
- Hope Lo, NP-CFresno, CA 937261881175891
- Beth Meyer-Frank, RNPFresno, CA 937261114067790
- Hoangminh Nguyen, PMHNP-BCFresno, CA 937261871368480
- Michele Webber-Klein, NP, LCSWFresno, CA 937261770660953
Common questions
What is Oscar Brian Castillo, NP's NPI number?
Oscar Brian Castillo, NP's National Provider Identifier (NPI) is 1396382206, issued on Dec 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Brian Castillo, NP located?
The NPPES record lists a practice address at 2719 N Air Fresno Dr, Fresno, CA, 93727. Phone: (559) 600-9060. Providers update this record themselves, so call before visiting.
How can I verify Oscar Brian Castillo, NP's license?
NPPES lists California license number 95013959, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oscar Brian Castillo, NP prescribe under Medicare Part D?
In 2024, Oscar Brian Castillo, NP had 19 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.