NPPES file of Aug 9, 2026

Jason Matthew Darr, LMFT

Marriage & Family Therapist · Ontario, CA

Jason Matthew Darr, LMFT is a marriage & family therapist with a practice address in Ontario, California, and NPI 1558689786, issued on May 12, 2010. Check the license (California LMFT82576, 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
1558689786
Name
Jason Matthew Darr
Credential
LMFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
License numbers
LMFT82576 CA
IMF62731 CA
Self-reported in NPPES; status is on the state search
Practice location
317 W F St, Ontario, CA 91762
Phone
(909) 391-3051
Enumerated
May 12, 2010
Record last updated
Dec 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250812000715); may accept 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 317 W F St

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

  1. Pardis Amirhoushmand, PH.D.Psychologist1003946179
  2. Kristyne ArmentaStudent in an Organized Health Care Education/Training Program1902231616
  3. Javier Barrero, MA.MFTCounselor1215184221
  4. Judy Briggs, LCSWClinical Social Worker1205026200
  5. Michele Buyco, LMFT, PPSCMarriage & Family Therapist1003006164
  6. Yasmin Cardona-ByrneStudent in an Organized Health Care Education/Training Program1093117681

Verify Jason Matthew Darr 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 LMFT82576    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Jason Matthew Darr among 59,889 marriage & family therapist records in California

Jason Matthew Darr, 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 updated2019 · 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).

169 marriage & family therapist records list a practice address in Ontario

They are 169 of the 5,375 NPPES records with a practice address in Ontario, 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 Ontario → Marriage & Family Therapist nationwide →

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

  1. Maxine Bowden, MFTOntario, CA 917621407979800
  2. Michele Buyco, LMFT, PPSCOntario, CA 917621003006164
  3. Sal Chavez, MFTOntario, CA 917621619151594
  4. Nicholas Fittante, LMFTOntario, CA 917621235238783
  5. N. Garcia, MFT INTERNOntario, CA 917621073636460
  6. Elizabeth Gatt-Auzenne, MFTOntario, CA 917621174646574
  7. Shelley Hultman, MFT INTERNOntario, CA 917621285850016
  8. Jose Lira Salayandia, MFT INTERNOntario, CA 917621831212190

Common questions

What is Jason Matthew Darr, LMFT's NPI number?

Jason Matthew Darr, LMFT's National Provider Identifier (NPI) is 1558689786, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jason Matthew Darr, LMFT located?

The NPPES record lists a practice address at 317 W F St, Ontario, CA, 91762. Phone: (909) 391-3051. Providers update this record themselves, so call before visiting.

How can I verify Jason Matthew Darr, LMFT's license?

NPPES lists California license number LMFT82576, 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.