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

Dr. Leo Robert Zacks, MD

Individual provider Internal Medicine Physician · NPI 1386038578

Dr. Leo Robert Zacks, MD is an Internal Medicine in Temecula, California. Qualified in 2015, 11 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

27309 Madison Ave
Temecula, CA 92590-5685
Phone: (833) 574-2273
Show map & directions

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

Additional practice locations (1)

  • 2040 W Charleston Blvd, Las Vegas, NV 89102-2227 — (702) 671-2358

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A154099 (CA)

Record details

NPI number1386038578
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2015
Last updated in NPPESNovember 22, 2021
Mailing address27309 Madison Ave, Temecula, CA 92590-5685

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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