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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.

STEPHEN DONNELLY DO
NPI 1699338020
Internal Medicine - Cardiovascular Disease in Riverside, CA

Active since April 22, 2019
10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(866) 984-7483 Get Directions Write a Review

NPPES record last updated: July 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 11, 2026, Dec 27, 2024, Aug 5, 2022 and 1 more (4 updates tracked since 2019).

About Stephen Donnelly Do NPPES

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

STEPHEN DONNELLY DO (NPI 1699338020) is an individual cardiovascular disease provider in Riverside, California, licensed in California (20A20701) and active in the NPI registry since April 2019. He maintains a secondary practice location in Loma Linda.

NPPES Registry Identity

NPI1699338020
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameSTEPHEN DONNELLYCredential: DO
Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043
Mailing Address10800 Magnolia AveRiverside, CA 92505-3043 · (909) 558-7674
Phone(866) 984-7483
Sole ProprietorNo
Enumeration DateApril 22, 2019
Last NPPES UpdateJuly 11, 20264 updates tracked since enumeration
NPPES CertifiedJuly 11, 2026
✔ NPI 1699338020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · 20A20701
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
10800 MAGNOLIA AVE, Riverside, CA 92505
Open in Google Maps ↗

Secondary Practice Location 1

Location 111234 Anderson StLoma Linda, CA 92350-1716 · Phone (909) 558-7674

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.

KAISER PERMANENTE
General Acute Care Hospital
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (951) 353-4988
PATRICK T MC GILL PA
Physician Assistant
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
ROBERT L. RUDEK MD
Surgery
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
RICHARD M. BRADBURNE MD
Internal Medicine (Critical Care Medicine)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SUNG JIN JOHN MD
Family Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SHELLY C. THIO MD
Internal Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
GREGORY MARRUJO MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
REBECCA J SEAWELL NP
Nurse Practitioner
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000

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 Stephen Donnelly's NPI number?

The NPI number for Stephen Donnelly is 1699338020. It was assigned to this individual provider in the NPPES registry on April 22, 2019.

Where is Stephen Donnelly located?

Stephen Donnelly practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (866) 984-7483.

What is Stephen Donnelly's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Stephen Donnelly was last updated on July 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.