Andrea Olson Diaz, LMFT
Marriage & Family Therapist · Avalon, CA
Andrea Olson Diaz, LMFT is a marriage & family therapist with a practice address in Avalon, California, and NPI 1881289171, issued on Mar 8, 2021. Check the license (California 123843, 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
- Andrea Olson Diaz
- Credential
- LMFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 123843 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 Hill St Uppr, Avalon, CA 90704
- Phone
- (562) 708-5961
- Enumerated
- Mar 8, 2021
- Record last updated
- Mar 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Andrea Olson 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 123843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3 marriage & family therapist records list a practice address in Avalon
They are 3 of the 26 NPPES records with a practice address in Avalon, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3 in Avalon → All 59,889 in California → Every provider in Avalon →
Other marriage & family therapist records in California
- Lili Aames, LMFTSanta Fe Springs, CA1689836165
- Lynn Aamot, LMFTEl Dorado Hills, CA1508255027
- Nathan Aanderud, LMFTTorrance, CA1689036907
- Alex AaronSherman Oaks, CA1578442620
- Bianca Aaron, LMFT, APCCSan Francisco, CA1316459605
- Kelley Aaron, MFTLos Angeles, CA1699068866
- Ruth Aaron, MS, JD, MFTClaremont, CA1316029697
- Terry Aaron, MFTBurbank, CA1386801173
- Azadeh Aarons, LMFTThousand Oaks, CA1679343974
- Bianca Aarons, MA,LMFTSan Francisco, CA1699286732
Common questions
What is Andrea Olson Diaz, LMFT's NPI number?
Andrea Olson Diaz, LMFT's National Provider Identifier (NPI) is 1881289171, issued on Mar 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Olson Diaz, LMFT located?
The NPPES record lists a practice address at 120 Hill St Uppr, Avalon, CA, 90704. Phone: (562) 708-5961. Providers update this record themselves, so call before visiting.
How can I verify Andrea Olson Diaz, LMFT's license?
NPPES lists California license number 123843, 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.