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

FULLERTON RADIOLOGY MEDICAL GROUP, INC
NPI 1861451858
Radiology - Diagnostic Radiology in Anaheim, CA

Active since March 20, 2006
5528 E LA PALMA AVE STE 4A, ANAHEIM, CA 92807(714) 993-2000(714) 524-4216 Get Directions Write a Review

NPPES record last updated: October 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 17, 2026, Sep 5, 2024, Aug 26, 2021 (3 updates tracked since 2021).

About Fullerton Radiology Medical Group, Inc NPPES

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

FULLERTON RADIOLOGY MEDICAL GROUP, INC (NPI 1861451858) is a healthcare organization registered as a diagnostic radiology in Anaheim, California and active in the NPI registry since March 2006. The organization lists Michael G Chan, President, as its authorized official.

NPPES Registry Identity

NPI1861451858
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameFULLERTON RADIOLOGY MEDICAL GROUP, INC
Location Address5528 E LA PALMA AVE STE 4AAnaheim, CA 92807-2115
Mailing Address3350 E Birch St Ste 105Brea, CA 92821-6266 · (714) 992-0850 · Fax (714) 526-8271
Fax(714) 524-4216
Organization SubpartNo
Authorized OfficialMichael G ChanPresident · (714) 526-2241
Enumeration DateMarch 20, 2006
Last NPPES UpdateOctober 17, 20263 updates tracked since enumeration
NPPES CertifiedOctober 17, 2026
✔ NPI 1861451858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
5528 E LA PALMA AVE STE 4A, Anaheim, CA 92807

Other Identifiers 8

OtherZZZ642972CA · Blue Shield Of Calif
MedicaidGR0006736CA
MedicaidZZZ74739ZCA
OtherZZZ75588ZCA · Blue Shield Of Calif
OtherZZZ74739ZCA · Blue Shield Of Calif
MedicaidGR0006731CA
MedicaidGR0006737CA
MedicaidGR0006738CA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Fullerton Radiology Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

118

Medicare enrollment records show 118 clinicians reassign Medicare billing to Fullerton Radiology Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 12 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Diagnostic Radiology114
Interventional Radiology4

Nearest to this location (20)

See all 118
Diagnostic Radiology
NPI 1396727863
5528 E LA PALMA AVE SUITE 4-A
Anaheim, CA 92807
(714) 970-0200
✔ PECOSSame address
Diagnostic Radiology
NPI 1891722997
5528 E LA PALMA AVE SUITE 4-A
Anaheim, CA 92807
(714) 970-0200
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1336163732
5528 E LA PALMA AVE SUITE 4-A
Anaheim, CA 92807
(714) 970-0200
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1033155346
5528 E LA PALMA AVE SUITE 4-A
Anaheim, CA 92807
(714) 970-0200
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1659317667
5528 E LA PALMA AVE SUITE 4-A
Anaheim, CA 92807
(714) 970-0200
✔ PECOS✔ Accepts Medicare0.1 mi
Diagnostic Radiology
NPI 1053668608
5528 E LA PALMA AVE STE 4A
Anaheim, CA 92807
(714) 970-0200
✔ PECOS✔ Accepts Medicare0.1 mi
Diagnostic Radiology
NPI 1447477054
230 S MAIN ST SUITE 100
Orange, CA 92868
(714) 541-0101
✔ PECOS✔ Accepts Medicare6.7 mi
Interventional Radiology
NPI 1336223262
101 THE CITY DR S
Orange, CA 92868
(714) 456-7237
✔ PECOS✔ Accepts Medicare7.3 mi
Diagnostic Radiology
NPI 1548767585
101 THE CITY DR S
Orange, CA 92868
(714) 456-7890
✔ PECOS✔ Accepts Medicare7.4 mi
Diagnostic Radiology
NPI 1417375486
101 THE CITY DRIVE SOUTH, ROUTE 140
Orange, CA 92868
(714) 456-7273
✔ PECOS✔ Accepts Medicare7.4 mi
Diagnostic Radiology
NPI 1376579433
1100 N TUSTIN AVE
Santa Ana, CA 92705
(714) 953-3390
✔ PECOS7.6 mi
Diagnostic Radiology
NPI 1649392028
15370 FAIRFIELD RANCH RD # B-2
Chino Hills, CA 91709
(800) 723-6186
✔ PECOS9.9 mi
Diagnostic Radiology
NPI 1558341073
2651 WALNUT AVE
Signal Hill, CA 90755
(562) 912-2507
✔ PECOS22 mi
Diagnostic Radiology
NPI 1528008125
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS✔ Accepts Medicare23 mi
Diagnostic Radiology
NPI 1992994487
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS✔ Accepts Medicare23 mi
Diagnostic Radiology
NPI 1750371852
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS23 mi
Diagnostic Radiology
NPI 1134566235
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS✔ Accepts Medicare23 mi
Diagnostic Radiology
NPI 1952386476
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS23 mi
Diagnostic Radiology
NPI 1831119254
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS23 mi
Diagnostic Radiology
NPI 1689019804
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-1550
✔ PECOS23 mi
See all 118 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Fullerton Radiology Medical Group, Inc's NPI number?

The NPI number for Fullerton Radiology Medical Group, Inc is 1861451858. It was assigned to this organization in the NPPES registry on March 20, 2006.

Where is Fullerton Radiology Medical Group, Inc located?

Fullerton Radiology Medical Group, Inc is located at 5528 E La Palma Ave Ste 4A, Anaheim, CA 92807. The listed phone number is (714) 993-2000.

What is Fullerton Radiology Medical Group, Inc's specialty?

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

Is Fullerton Radiology Medical Group, Inc enrolled in Medicare?

Yes. Fullerton Radiology Medical Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Fullerton Radiology Medical Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 118 clinicians in 2 Medicare specialties reassign their Medicare billing to Fullerton Radiology Medical Group, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Diagnostic Radiology (114) and Interventional Radiology (4). Of these, 4 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Fullerton Radiology Medical Group, Inc was last updated on October 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.