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DR. ROBERT ELDON RYAN III M.D.
NPI 1093743239
Pediatrics - Adolescent Medicine in Ventura, CA

Active since June 28, 2006
5415 TOPA TOPA DR, VENTURA, CA 93003(805) 320-5120 Get Directions Write a Review

NPPES record last updated: March 12, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Robert Eldon Ryan Iii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT ELDON RYAN III M.D. (NPI 1093743239) is an individual adolescent medicine provider in Ventura, California, licensed in California (A44628) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1093743239
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameDR. ROBERT ELDON RYAN IIICredential: M.D.
Location Address5415 TOPA TOPA DRVentura, CA 93003-1148
Mailing Address5415 Topa Topa DrVentura, CA 93003-1148 · (805) 320-5120
Phone(805) 320-5120
Sole ProprietorNo
Enumeration DateJune 28, 2006
Last NPPES UpdateMarch 12, 2012
✔ NPI 1093743239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in CA · A44628
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
5415 TOPA TOPA DR, Ventura, CA 93003
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Other Identifiers 1

Medicare UPINE82971CA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Ryan's NPI number?

The NPI number for Robert Ryan is 1093743239. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Robert Ryan located?

Robert Ryan practices at 5415 Topa Topa Dr, Ventura, CA 93003. The listed phone number is (805) 320-5120.

What is Robert Ryan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Robert Ryan was last updated on March 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.