NPPES file of Aug 9, 2026

John Jack Shields Cousineau, LMFT

Marriage & Family Therapist · Martinez, CA

John Jack Shields Cousineau, LMFT is a marriage & family therapist with a practice address in Martinez, California, and NPI 1548570583, issued on Oct 8, 2010. Check the license (California LMFT90191, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1548570583
Name
John Jack Shields Cousineau
Credential
LMFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
License numbers
LMFT90191 CA
90191 CA
Self-reported in NPPES; status is on the state search
Practice location
1340 Arnold Dr Ste 200, Martinez, CA 94553
Phone
(510) 809-7350
Enumerated
Oct 8, 2010
Record last updated
Feb 5, 2025
Medicare enrollment
Enrolled (PECOS I20240201004424); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →

Also registered at 1340 Arnold Dr Ste 200

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

  1. Hiba AliMental Health Counselor1346891413
  2. Karl John Arellano, RNChild & Adolescent Psychiatric/Mental Health Registered Nurse1023907516
  3. Cynthia AyalaPeer Specialist1326532128
  4. Amir Nader Bahmani, MD, MFTMarriage & Family Therapist1689121568
  5. Arthia BalagotRegistered Nurse1073260493
  6. Alexandria Becker, RBTDay Training/Habilitation Specialist1750897328

Verify John Jack Shields Cousineau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license LMFT90191    Check 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
Find the California license search

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John Jack Shields Cousineau among 59,889 marriage & family therapist records in California

John Jack Shields Cousineau, LMFT is one of 59,889 marriage & family therapist records with a practice address in California. 4% 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 2010, is newer than 30% of them.

  • NPI issued2010 · 30% of these records are older, 66% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2010 · median 2013 among the 4,574 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 marriage & family therapist records list a practice address in Martinez

They are 93 of the 1,816 NPPES records with a practice address in Martinez, 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 59,889 in California → Every provider in Martinez → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Nancy Atkinson, MFCCMartinez, CA 945531285775528
  2. Grace Casson, MFTMartinez, CA 945531043360282
  3. Peter Chechele, LMFTMartinez, CA 945531164586608
  4. Nicole Curtis, MFTMartinez, CA 945531851494785
  5. Amparo De Anda, MFTMartinez, CA 945531295862787
  6. Amanda Dold, MFTMartinez, CA 945531487709820
  7. Megan Doyle, M.A.,MFTIMartinez, CA 945531245308543
  8. David Dwyer, MFTMartinez, CA 945531780736058

Common questions

What is John Jack Shields Cousineau, LMFT's NPI number?

John Jack Shields Cousineau, LMFT's National Provider Identifier (NPI) is 1548570583, issued on Oct 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John Jack Shields Cousineau, LMFT located?

The NPPES record lists a practice address at 1340 Arnold Dr Ste 200, Martinez, CA, 94553. Phone: (510) 809-7350. Providers update this record themselves, so call before visiting.

How can I verify John Jack Shields Cousineau, LMFT's license?

NPPES lists California license number LMFT90191, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.