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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RYAN CHAN
NPI 1821790908
Radiology - Diagnostic Radiology in Santa Barbara, CA

Active since March 21, 2023
400 W PUEBLO ST, SANTA BARBARA, CA 93105(805) 682-7111 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ryan Chan NPPES

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

RYAN CHAN (NPI 1821790908) is an individual diagnostic radiology provider in Santa Barbara, California, licensed in California (A198122) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1821790908
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameRYAN CHAN
Location Address400 W PUEBLO STSanta Barbara, CA 93105-4353
Mailing Address400 W Pueblo StSanta Barbara, CA 93105-4353 · (805) 682-7111
Phone(805) 682-7111
Sole ProprietorNo
Enumeration DateMarch 21, 2023
Last NPPES UpdateAugust 25, 2026
NPPES CertifiedAugust 25, 2026
✔ NPI 1821790908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A198122
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
400 W PUEBLO ST, Santa Barbara, CA 93105
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JENNA EVE HOLMEN M.D.
Pediatrics (Pediatric Infectious Diseases)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111
ANASTASIA EMAD IBRAHIM MALEK DO
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111
DR. CHRISTOPHER DOUGLAS KUZMINSKI M.D.
Radiology (Diagnostic Radiology)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111
ANTHONY CATALANO MD
Emergency Medicine
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111
LAUREN MIRANDA-CACDAC
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111
DR. ALTHEA MAHILINI MAHESAN MD
Student in an Organized Health Care Education/Training Program
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 569-7315
DR. EMILY GRAEME WATERHOUSE MD
Pathology (Anatomic Pathology & Clinical Pathology)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 569-7367
JAYSON WRIGHT MD
Internal Medicine (Geriatric Medicine)
400 W PUEBLO ST
SANTA BARBARA, CA 93105
Santa Barbara County (805) 682-7111

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 Ryan Chan's NPI number?

The NPI number for Ryan Chan is 1821790908. It was assigned to this individual provider in the NPPES registry on March 21, 2023.

Where is Ryan Chan located?

Ryan Chan practices at 400 W Pueblo St, Santa Barbara, CA 93105. The listed phone number is (805) 682-7111.

What is Ryan Chan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Ryan Chan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.