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

Ronald W. Cotliar, MD

Individual provider Pediatrics Physician · NPI 1932192572

Ronald W. Cotliar, MD is a Pediatric Medicine in Tustin, California. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1972, 54 years ago. Practices with Uc Regents, a 101-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
54
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
CA
In the registry since
2005
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

13420 Newport Ave Ste G
Tustin, CA 92780-3745
Phone: (714) 731-0061
Fax: (714) 731-0164
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G25069 (CA)

Record details

NPI number1932192572
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESSeptember 20, 2012
Mailing address13420 Newport Ave, Suite G, Tustin, CA 92780-3745

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1972 (54 years in practice)
Group practice Uc Regents — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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