CROWN VALLEY RADIOLOGISTS INC A PROFESSIONAL MEDICAL CORP
NPI 1720042062
Clinic/Center - Radiology in Mission Viejo, CA

Q: What is Crown Valley Radiologists Inc A Professional Medical Corp's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Active since April 13, 2006

27401 LOS ALTOS STE 150, MISSION VIEJO, CA 92691(949) 367-1010(949) 367-1011 Get Directions Write a Review

NPPES record last updated: July 8, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2020, Apr 12, 2019 (2 updates tracked since 2019).

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About Crown Valley Radiologists Inc A Professional Medical Corp NPPES

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

CROWN VALLEY RADIOLOGISTS INC A PROFESSIONAL MEDICAL CORP (NPI 1720042062) is a healthcare organization registered as a radiology in Mission Viejo, California and active in the NPI registry since April 2006. The organization maintains a secondary practice location in Newport Beach and lists Talal Beydoun, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1720042062

Entity TypeOrganization

Primary Taxonomy261QR0200X

Legal Business NameCROWN VALLEY RADIOLOGISTS INC A PROFESSIONAL MEDICAL CORP

Location Address27401 LOS ALTOS STE 150Mission Viejo, CA 92691-8013

Mailing Address27401 Los Altos Ste 150Mission Viejo, CA 92691-8013 · (949) 367-1010 · Fax (949) 367-1011

Phone(949) 367-1010

Fax(949) 367-1011

Organization SubpartNo

Authorized OfficialTalal BeydounMedical Director · (949) 367-1010

Enumeration DateApril 13, 2006

Last NPPES UpdateJuly 8, 20202 updates tracked since enumeration

NPPES CertifiedJuly 8, 2020

✔ NPI 1720042062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities

Taxonomy Code261QR0200X

Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X

27401 LOS ALTOS STE 150, Mission Viejo, CA 92691

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Secondary Practice Location 1

Location 14501 Birch St Unit CNewport Beach, CA 92660-1990 · Phone (949) 367-1010 · Fax (949) 367-1011

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE 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)

Crown Valley Radiologists Inc A Professional Medical Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 7 clinicians reassign Medicare billing to Crown Valley Radiologists Inc A Professional Medical Corp, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Talal Beydoun, MD

Diagnostic Radiology

NPI 1396751384

27401 LOS ALTOS SUITE 150
Mission Viejo, CA 92691

(949) 367-1010

✔ PECOS✔ Accepts MedicareSame address

Tan Nguyen, M.D.

Diagnostic Radiology

NPI 1053668608

5528 E LA PALMA AVE STE 4A
Anaheim, CA 92807

(714) 970-0200

✔ PECOS✔ Accepts Medicare22 mi

Alireza Namini, M.D.

Diagnostic Radiology

NPI 1124331095

6815 NOBLE AVE
Van Nuys, CA 91405

(818) 901-6600

✔ PECOS✔ Accepts Medicare63 mi

James Reza Fernandez, M.D.

Diagnostic Radiology

NPI 1083959142

11995 SINGLETREE LN STE 500
Eden Prairie, MN 55344

(952) 595-1301

✔ PECOS1,507 mi

Scott Wilson-Flewelling, MD

Diagnostic Radiology

NPI 1235623612

510 S KINGSHIGHWAY BLVD DEPT RADIOLOGY
Saint Louis, MO 63110

(314) 362-2928

✔ PECOS✔ Accepts Medicare1,566 mi

Michael Stadnick, MD

Diagnostic Radiology

NPI 1457320442

8 CADILLAC DRIVE SUITE 200
Brentwood, TN 37027

(615) 376-7500

✔ PECOS✔ Accepts Medicare1,756 mi

Frank Kosarek, M.D.

Diagnostic Radiology

NPI 1427017284

3623 LATROBE DR STE 216
Charlotte, NC 28211

(704) 332-1291

✔ PECOS✔ Accepts Medicare2,098 mi

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 Crown Valley Radiologists Inc A Professional Medical Corp's NPI number?

The NPI number for Crown Valley Radiologists Inc A Professional Medical Corp is 1720042062. It was assigned to this organization in the NPPES registry on April 13, 2006.

Where is Crown Valley Radiologists Inc A Professional Medical Corp located?

Crown Valley Radiologists Inc A Professional Medical Corp is located at 27401 Los Altos Ste 150, Mission Viejo, CA 92691. The listed phone number is (949) 367-1010.

What is Crown Valley Radiologists Inc A Professional Medical Corp's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Is Crown Valley Radiologists Inc A Professional Medical Corp enrolled in Medicare?

Yes. Crown Valley Radiologists Inc A Professional Medical Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Crown Valley Radiologists Inc A Professional Medical Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians, all in Diagnostic Radiology, reassign their Medicare billing to Crown Valley Radiologists Inc A Professional Medical Corp. 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. Of these, 1 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 Crown Valley Radiologists Inc A Professional Medical Corp was last updated on July 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.