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

Dr. Leonel Ontiveros Mendoza

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1497112627

Dr. Leonel Ontiveros Mendoza is an Internal Medicine in Brooklyn, New York. Graduated from University of California, Davis School of Medicine in 2017, 9 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment.

Years since qualifying
9
Trained at
University of California, Davis School of Medicine
In the registry since
2016

Practice location Address checks out

450 Clarkson Ave
Brooklyn, NY 11203-2012
Phone: (718) 270-8867
Show map & directions

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

Additional practice locations (1)

  • 4610 X St, Sacramento, CA 95817-2200 — (510) 387-1003

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1497112627
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 19, 2016
Last updated in NPPESDecember 22, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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