Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jeffrey N Mar MD Inc

Organization Developmental - Behavioral Pediatrics Physician · NPI 1023279056

Jeffrey N Mar MD Inc is a Developmental - Behavioral Pediatrics Physician in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9479 Haven Ave
Rancho Cucamonga, CA 91730-5844
Phone: (909) 771-8023
Fax: (909) 989-0606
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence A87348 (CA)
Developmental - Behavioral Pediatrics Physician Taxonomy 2080P0006X · Licence A87348 (CA)

Record details

NPI number1023279056
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jeffrey Mar — Ceo · (909) 771-8023
NPI enumeratedJune 23, 2008
Last updated in NPPESNovember 18, 2011
Mailing address9479 Haven Ave, Rancho Cucamonga, CA 91730-5844