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

Jeffrey N Mar, MD

Individual provider Psychiatry Physician · NPI 1043235815

Jeffrey N Mar, MD is a Psychiatry Physician in Rancho Cucamonga, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

9479 Haven Ave
Rancho Cucamonga, CA 91730-5844
Phone: (909) 771-8023
Fax: (909) 658-8977
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 304 Tejon Pl, Palos Verdes Estates, CA 90274-1204 — (424) 404-7260
  • 9479 Haven Ave, Rancho Cucamonga, CA 91730-5844 — (909) 771-8023

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A87348 (CA)

Record details

NPI number1043235815
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESJuly 20, 2024
Certification dateJuly 20, 2024
Mailing address9479 Haven Ave, Rancho Cucamonga, CA 91730-5844

Other providers in Rancho Cucamonga