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

Ronald D. Zlotolow, MD

Individual provider Internal Medicine Physician · NPI 1407981301

Ronald D. Zlotolow, MD is a Family Practice in Los Angeles, California. Qualified in 1997, 29 years ago. Practices with Ronald D Zlotolow Medical Group Inc, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Licensed in
CA
In the registry since
2007
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

1818 S Western Ave Ste 505
Los Angeles, CA 90006-5860
Phone: (323) 634-6500
Fax: (323) 795-0916
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A75075 (CA)

Record details

NPI number1407981301
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2007
Last updated in NPPESDecember 30, 2025
Certification dateDecember 30, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Ronald D Zlotolow Medical Group Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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