Arnold Castillo
Counselor · San Luis Obispo, CA
Arnold Castillo is a counselor with a practice address in San Luis Obispo, California, and NPI 1487823217, issued on Feb 26, 2008. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Arnold Castillo
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 2176 Johnson Ave, San Luis Obispo, CA 93401
- Phone
- (805) 781-5300
- Enumerated
- Feb 26, 2008
- Record last updated
- Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 13,723 in California → Look up another NPI →
Also registered at 2176 Johnson Ave
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- Anna EvansProfessional Counselor1861661498
- Susan Foote, DPO 11Counselor1962671578
- David GibsonCounselor1295904639
Verify Arnold Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Arnold Castillo among 13,723 counselor records in California
Arnold Castillo is one of 13,723 counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 17% of them.
- NPI issued2008 · 17% of these records are older, 76% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
123 counselor records list a practice address in San Luis Obispo
They are 123 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 13,723 counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,723 in California → Every provider in San Luis Obispo → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Connie AhnerSan Luis Obispo, CA 934011447309026
- Trina BlanchetteSan Luis Obispo, CA 934011326183484
- Thelma CliffordSan Luis Obispo, CA 934011851459218
- Christopher Cusick, B.S.San Luis Obispo, CA 934011245303783
- Diane DanfieldSan Luis Obispo, CA 934011245443332
- Doreen Dunton, L.V.N.,R.A.S.San Luis Obispo, CA 934011184827818
- David GabrielSan Luis Obispo, CA 934011164580072
- Eric GansterSan Luis Obispo, CA 934011841356946
Common questions
What is Arnold Castillo's NPI number?
Arnold Castillo's National Provider Identifier (NPI) is 1487823217, issued on Feb 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Arnold Castillo located?
The NPPES record lists a practice address at 2176 Johnson Ave, San Luis Obispo, CA, 93401. Phone: (805) 781-5300. Providers update this record themselves, so call before visiting.
How can I verify Arnold Castillo's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.