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

Ronald Marc Baum, MD

Individual provider Specialist · NPI 1164412375

Ronald Marc Baum, MD is a Neurology in Calabasas, California. Graduated from Rush Medical College of Rush University in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
47
Trained at
Rush Medical College of Rush University
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

22343 Delia Ct
Calabasas, CA 91302-5889
Phone: (818) 888-4577
Fax: (818) 888-4579
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A93128 (CA)

Record details

NPI number1164412375
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 27, 2005
Last updated in NPPESAugust 11, 2022
Certification dateAugust 11, 2022
Mailing address22343 Delia Ct, Calabasas, CA 91302-5889

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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