Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
317 W F ST
Ontario, CA 91762
25020 Las Brisas Rd Ste 202
Murrieta, CA 92562
19330 Jesse Ln Ste 280
Riverside, CA 92508
Jason M. Darr is a marriage and family therapist in Ontario, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Jason M. Darr is listed at 317 W F St, Ontario, CA 91762. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 391-3051. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jason M. Darr's National Provider Identifier is 1558689786. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Jason M. Darr attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Jason M. Darr has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Jason M. Darr. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.