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Jeffrey Mar, M.D.
NPI 1043235815 · Psychiatry Physician · Rancho Cucamonga, CA
Jeffrey Mar, M.D. is a Psychiatry Physician provider in Rancho Cucamonga, CA (NPI 1043235815).
Provider details
- NPI number
- 1043235815
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A87348 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(100/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
9479 Haven Ave
Rancho Cucamonga, CA 91730-5844
Phone: (909) 771-8023
Fax: (909) 658-8977
Street-level locationGet directions
Mailing address
9479 Haven Ave
Rancho Cucamonga, CA 91730-5844
Additional practice locations (2)
- 304 Tejon PlPalos Verdes Estates, CA 90274-1204Phone: (424) 404-7260Fax: (404) 210-5446
- 9479 Haven AveRancho Cucamonga, CA 91730-5844Phone: (909) 771-8023Fax: (909) 989-0606
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2024-07-20
- Certified
- 2024-07-20
Frequently asked questions
- What is Jeffrey Mar's NPI number?
- Jeffrey Mar's National Provider Identifier (NPI) is 1043235815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mar's specialty?
- Jeffrey Mar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Mar located?
- Jeffrey Mar's practice location on file with NPPES is 9479 Haven Ave, Rancho Cucamonga, CA 91730-5844.
- What is Jeffrey Mar's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mar is (909) 771-8023.
- Is Jeffrey Mar's NPI active?
- Yes — Jeffrey Mar's NPI (1043235815) is active in the NPPES registry as of the last update on 2024-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.