RADIA CALIFORNIA
NPI 1740982032
Radiology - Diagnostic Radiology in Santa Rosa, CA

Active since March 20, 2023
121 SOTOYOME ST, SANTA ROSA, CA 95405(425) 563-1500(425) 563-1501 Get Directions Write a Review

NPPES record last updated: April 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2023, Mar 20, 2023 (2 updates tracked since 2023).

About Radia California NPPES

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

RADIA CALIFORNIA (NPI 1740982032) is a healthcare organization registered as a diagnostic radiology in Santa Rosa, California and active in the NPI registry since March 2023. The organization lists Lloyd E Stambaugh, President, as its authorized official.

NPPES Registry Identity

NPI1740982032
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameRADIA CALIFORNIA RADIOLOGY MEDICAL GROUP INC
Location Address121 SOTOYOME STSanta Rosa, CA 95405-4823
Mailing Address19020 33rd Ave W Ste 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1501
Fax(425) 563-1501
Organization SubpartNo
Authorized OfficialLloyd E StambaughPresident · (425) 563-1500
Enumeration DateMarch 20, 2023
Last NPPES UpdateApril 10, 20232 updates tracked since enumeration
NPPES CertifiedApril 7, 2023
✔ NPI 1740982032 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.
121 SOTOYOME ST, Santa Rosa, CA 95405

Other Names 1

Doing Business AsRadia California

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Radia California is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

162

Medicare enrollment records show 162 clinicians reassign Medicare billing to Radia California, which bills Medicare for the services they deliver. Of these, 5 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Diagnostic Radiology159
Interventional Radiology2
Nuclear Medicine1

Nearest to this location (20)

See all 162
Diagnostic Radiology
NPI 1720373376
121 SOTOYOME ST
Santa Rosa, CA 95405
(707) 546-4062
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1114978210
121 SOTOYOME ST
Santa Rosa, CA 95405
(707) 546-4062
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1689681181
121 SOTOYOME ST
Santa Rosa, CA 95405
(707) 546-4062
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1871683326
121 SOTOYOME ST
Santa Rosa, CA 95405
(707) 546-4062
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1568542306
121 SOTOYOME ST
Santa Rosa, CA 95405
(707) 546-4062
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1306838131
747 52ND ST
Oakland, CA 94609
(510) 428-3000
✔ PECOS✔ Accepts Medicare48 mi
Diagnostic Radiology
NPI 1780903773
747 52ND ST
Oakland, CA 94609
(510) 428-3000
✔ PECOS✔ Accepts Medicare48 mi
Diagnostic Radiology
NPI 1619946563
747 52ND ST
Oakland, CA 94609
(510) 428-3000
✔ PECOS✔ Accepts Medicare48 mi
Diagnostic Radiology
NPI 1093030470
747 52ND ST
Oakland, CA 94609
(510) 428-3000
✔ PECOS✔ Accepts Medicare48 mi
Diagnostic Radiology
NPI 1639184518
747 52ND ST
Oakland, CA 94609
(510) 428-3000
✔ PECOS✔ Accepts Medicare48 mi
Diagnostic Radiology
NPI 1881705481
505 PARNASSUS AVE
San Francisco, CA 94143
(415) 476-1575
✔ PECOS✔ Accepts Medicare49 mi
Diagnostic Radiology
NPI 1063427565
505 PARNASSUS AVE FL 3
San Francisco, CA 94143
(415) 476-1537
✔ PECOS✔ Accepts Medicare49 mi
Diagnostic Radiology
NPI 1033520655
505 PARNASSUS AVE
San Francisco, CA 94143
(415) 476-1537
✔ PECOS✔ Accepts Medicare49 mi
Diagnostic Radiology
NPI 1679825400
505 PARNASSUS AVE FL 3
San Francisco, CA 94143
(415) 476-1537
✔ PECOS✔ Accepts Medicare49 mi
Diagnostic Radiology
NPI 1235424284
1200 4TH ST APT 103
San Francisco, CA 94158
(808) 292-5358
✔ PECOS49 mi
Diagnostic Radiology
NPI 1750743951
1001 POTRERO AVE BLDG 51
San Francisco, CA 94110
(628) 206-8020
✔ PECOS✔ Accepts Medicare50 mi
Diagnostic Radiology
NPI 1225606106
2401 SHADELANDS DR
Walnut Creek, CA 94598
(425) 563-1500
✔ PECOS✔ Accepts Medicare51 mi
Diagnostic Radiology
NPI 1114905007
2401 SHADELANDERS DRIVE
Walnut Creek, CA 94598
(510) 425-3000
✔ PECOS✔ Accepts Medicare51 mi
Diagnostic Radiology
NPI 1497954317
2401 SHADELANDERS DRIVE
Walnut Creek, CA 94598
(425) 563-1500
✔ PECOS✔ Accepts Medicare51 mi
Diagnostic Radiology
NPI 1790135507
300 PASTEUR DR
Stanford, CA 94305
(650) 723-4000
✔ PECOS✔ Accepts Medicare75 mi
See all 162 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 Radia California Radiology Medical Group Inc's NPI number?

The NPI number for Radia California Radiology Medical Group Inc is 1740982032. It was assigned to this organization in the NPPES registry on March 20, 2023. The provider is doing business as Radia California.

Where is Radia California Radiology Medical Group Inc located?

Radia California Radiology Medical Group Inc is located at 121 Sotoyome St, Santa Rosa, CA 95405. The listed phone number is (425) 563-1500.

What is Radia California Radiology Medical Group Inc's specialty?

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

Is Radia California Radiology Medical Group Inc enrolled in Medicare?

Yes. Radia California Radiology Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Radia California Radiology Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 162 clinicians in 3 Medicare specialties reassign their Medicare billing to Radia California 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 (159), Interventional Radiology (2) and Nuclear Medicine (1). Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Radia California Radiology Medical Group Inc was last updated on April 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.