STACY PETERSEN MEDICAL GROUP, P.C.
NPI 1194677955
Ophthalmology in Riverside, CA

Active since February 12, 2026
4445 MAGNOLIA AVE, RIVERSIDE, CA 92501(949) 991-4172(949) 288-0429 Get Directions Write a Review

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

About Stacy Petersen Medical Group, P.c. NPPES

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

STACY PETERSEN MEDICAL GROUP, P.C. (NPI 1194677955) is a healthcare organization registered as an ophthalmology in Riverside, California and active in the NPI registry since February 2026. The organization lists Stacy Difley, Secretary, as its authorized official.

NPPES Registry Identity

NPI1194677955
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameSTACY PETERSEN MEDICAL GROUP, P.C.
Location Address4445 MAGNOLIA AVERiverside, CA 92501
Mailing Address26791 Aliso Creek Rd # 1018Aliso Viejo, CA 92656-2887 · Fax (949) 288-0429
Fax(949) 288-0429
Organization SubpartNo
Authorized OfficialStacy DifleySecretary · (949) 991-4172
Enumeration DateFebruary 12, 2026
NPPES CertifiedFebruary 10, 2026
NPI 1194677955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
4445 MAGNOLIA AVE, Riverside, CA 92501

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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.

Physician Assistant
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Hospitalist
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Emergency Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501

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 Stacy Petersen Medical Group, P.C.'s NPI number?

The NPI number for Stacy Petersen Medical Group, P.C. is 1194677955. It was assigned to this organization in the NPPES registry on February 12, 2026.

Where is Stacy Petersen Medical Group, P.C. located?

Stacy Petersen Medical Group, P.C. is located at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (949) 991-4172.

What is Stacy Petersen Medical Group, P.C.'s specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Stacy Petersen Medical Group, P.C. was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.