NPPES file of Aug 9, 2026

Matthew B. Opoien, AMFT CA#130939

Marriage & Family Therapist · Garden Grove, CA

Matthew B. Opoien, AMFT CA#130939 is a marriage & family therapist with a practice address in Garden Grove, California, and NPI 1063121606, issued on Nov 22, 2022. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063121606
Name
Matthew B. Opoien
Credential
AMFT CA#130939
Primary taxonomy
Marriage & Family Therapist 106H00000X
Practice location
13212 Chapman Ave, Garden Grove, CA 92840
Phone
(855) 964-4405
Enumerated
Nov 22, 2022
Record last updated
Nov 22, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 13212 Chapman Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Naomi AzpeitiaNurse's Aide1275243867
  2. Kimberly Covarrubias, SUDRCBehavior Technician1013747716
  3. Brandy Dooley, CNANurse's Aide1710697768
  4. Jamie Guerrero, LVNLicensed Vocational Nurse1811607161
  5. Zoey Houser, SUDRCAddiction (Substance Use Disorder) Counselor1770312159
  6. Alex MendezAddiction (Substance Use Disorder) Counselor1760212609

Verify Matthew B. Opoien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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104 marriage & family therapist records list a practice address in Garden Grove

They are 104 of the 4,572 NPPES records with a practice address in Garden Grove, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other marriage & family therapist records in California

  1. Lili Aames, LMFTSanta Fe Springs, CA1689836165
  2. Lynn Aamot, LMFTEl Dorado Hills, CA1508255027
  3. Nathan Aanderud, LMFTTorrance, CA1689036907
  4. Alex AaronSherman Oaks, CA1578442620
  5. Bianca Aaron, LMFT, APCCSan Francisco, CA1316459605
  6. Kelley Aaron, MFTLos Angeles, CA1699068866
  7. Ruth Aaron, MS, JD, MFTClaremont, CA1316029697
  8. Terry Aaron, MFTBurbank, CA1386801173
  9. Azadeh Aarons, LMFTThousand Oaks, CA1679343974
  10. Bianca Aarons, MA,LMFTSan Francisco, CA1699286732

Common questions

What is Matthew B. Opoien, AMFT CA#130939's NPI number?

Matthew B. Opoien, AMFT CA#130939's National Provider Identifier (NPI) is 1063121606, issued on Nov 22, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Matthew B. Opoien, AMFT CA#130939 located?

The NPPES record lists a practice address at 13212 Chapman Ave, Garden Grove, CA, 92840. Phone: (855) 964-4405. Providers update this record themselves, so call before visiting.

How can I verify Matthew B. Opoien, AMFT CA#130939'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.