Mariana Diaz
Addiction (Substance Use Disorder) Counselor · San Diego, CA
Mariana Diaz is an addiction (substance use disorder) counselor with a practice address in San Diego, California, and NPI 1649927815, issued on Mar 7, 2022. Check the license (California AMFT143913, 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
- Mariana Diaz
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- AMFT143913 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3288 EL Cajon Blvd, San Diego, CA 92104
- Phone
- (619) 521-5720
- Enumerated
- Mar 7, 2022
- Entity
- Type 1 · individual
Also registered at 3288 EL Cajon Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mike Brennan, M.F.T.Marriage & Family Therapist1144673948
- Mellie DudkinAddiction (Substance Use Disorder) Counselor1417232810
- Karla EspinozaPeer Specialist1285387845
- Lynette GastelumAddiction (Substance Use Disorder) Counselor1700669595
- Roy GuillermoStudent in an Organized Health Care Education/Training Program1548100456
- Martina ShermanAddiction (Substance Use Disorder) Counselor1073223608
Verify Mariana Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license AMFT143913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1,109 addiction (substance use disorder) counselor records list a San Diego practice address
They are 1,109 of the 52,937 NPPES records with a San Diego practice address, and 29,099 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,109 in San Diego → All 29,099 in California → Every provider in San Diego →
Other addiction (substance use disorder) counselor records in California
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- Carrie AamodtVisalia, CA1932661311
- Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
- Lisa Aaron, CASACCulver City, CA1356090849
- Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
- Victor AbadEl Cajon, CA1205562238
- Sean AbairTaft, CA1174084347
- Maira AbalosDelano, CA1508452038
- Jazmine AbanicoVentura, CA1851964613
- Israel Abarca, CAADESan Francisco, CA1114126950
Common questions
What is Mariana Diaz's NPI number?
Mariana Diaz's National Provider Identifier (NPI) is 1649927815, issued on Mar 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Diaz located?
The NPPES record lists a practice address at 3288 EL Cajon Blvd, San Diego, CA, 92104. Phone: (619) 521-5720. Providers update this record themselves, so call before visiting.
How can I verify Mariana Diaz's license?
NPPES lists California license number AMFT143913, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.