Ryan Castrejon
Addiction (Substance Use Disorder) Counselor · San Diego, CA
Ryan Castrejon is an addiction (substance use disorder) counselor with a practice address in San Diego, California, and NPI 1235998691, issued on Mar 18, 2024. Check the license (California R1519150823, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ryan Castrejon
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- R1519150823 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2980 Cedar St, San Diego, CA 92102
- Phone
- (619) 239-7370
- Enumerated
- Mar 18, 2024
- Record last updated
- Mar 18, 2024
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →
Also registered at 2980 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher ArzagaAddiction (Substance Use Disorder) Counselor1265047286
- Harvey BillsAddiction (Substance Use Disorder) Counselor1306562194
- Corey BuckAddiction (Substance Use Disorder) Counselor1104384072
- Caitanya Cook, LCSWClinical Social Worker1043810526
Verify Ryan Castrejon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license R1519150823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ryan Castrejon among 27,741 addiction (substance use disorder) counselor records in California
Ryan Castrejon is one of 27,741 addiction (substance use disorder) 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 2024, is newer than 82% of them.
- NPI issued2024 · 82% of these records are older, 10% 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 updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,015 addiction (substance use disorder) counselor records list a practice address in San Diego
They are 1,015 of the 52,937 NPPES records with a practice address in San Diego, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 27,741 in California → Every provider in San Diego → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Roland BryantSan Diego, CA 921021003935404
- Collin CampbellSan Diego, CA 921021316129992
- Edgar Capacio, AOD COUNSELORSan Diego, CA 921021417178757
- Dawn CorbinSan Diego, CA 921021932329448
- Larry EirvenSan Diego, CA 921021679742936
- Robin Ellis-BrowningSan Diego, CA 921021144408428
- Lorena HarosSan Diego, CA 921021528287513
- Sarah HendonSan Diego, CA 921021558574848
Common questions
What is Ryan Castrejon's NPI number?
Ryan Castrejon's National Provider Identifier (NPI) is 1235998691, issued on Mar 18, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Castrejon located?
The NPPES record lists a practice address at 2980 Cedar St, San Diego, CA, 92102. Phone: (619) 239-7370. Providers update this record themselves, so call before visiting.
How can I verify Ryan Castrejon's license?
NPPES lists California license number R1519150823, as entered by the provider. 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.