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ORANGE COUNTY HEART INSTITUTE AND RESEARCH CENTER A MEDICAL GROUP
NPI 1265463608
Internal Medicine - Cardiovascular Disease in Orange, CA

Active since July 05, 2006
1140 W LA VETA AVE STE 640, ORANGE, CA 92868(714) 564-3300(949) 231-5108 Get Directions Write a Review

NPPES record last updated: August 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Orange County Heart Institute And Research Center A Medical Group NPPES

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

ORANGE COUNTY HEART INSTITUTE AND RESEARCH CENTER A MEDICAL GROUP (NPI 1265463608) is a healthcare organization registered as a cardiovascular disease in Orange, California and active in the NPI registry since July 2006. The organization lists Lawrence Santora, Senior Partner, as its authorized official.

NPPES Registry Identity

NPI1265463608
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameORANGE COUNTY HEART INSTITUTE AND RESEARCH CENTER A MEDICAL GROUP
Location Address1140 W LA VETA AVE STE 640Orange, CA 92868-4228
Mailing Address1140 W La Veta Ave Ste 640Orange, CA 92868-4228 · (714) 564-3300 · Fax (949) 231-5108
Phone(714) 564-3300
Fax(949) 231-5108
Organization SubpartNo
Authorized OfficialLawrence SantoraSenior Partner · (714) 564-3300
Enumeration DateJuly 5, 2006
Last NPPES UpdateAugust 17, 2018
✔ NPI 1265463608 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 · W13178
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.
1140 W LA VETA AVE STE 640, Orange, CA 92868
Open in Google Maps ↗

Other Identifiers 1

MedicaidGR0064090CA

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 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)

Orange County Heart Institute And Research Center A Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

28

Medicare enrollment records show 28 clinicians reassign Medicare billing to Orange County Heart Institute And Research Center A Medical Group, which bills Medicare for the services they deliver. Of these, 23 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Diagnostic Radiology14
Interventional Cardiology8
Cardiac Electrophysiology3
Cardiovascular Disease (Cardiology)2
Nurse Practitioner1

Nearest to this location (20)

See all 28
Hossein Alimadadian, M.D.
Interventional Cardiology
NPI 1285664029
1140 W LA VETA AVE STE 640
Orange, CA 92868
(714) 564-3300
✔ PECOS0.1 mi
Maged Azer, M.D.
Cardiovascular Disease (Cardiology)
NPI 1992730709
1140 W. LA VETA AVE SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Tyson Cobb, M.D.
Interventional Cardiology
NPI 1710982061
1140 W LA VETA AVE SUITE 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Jay Lee, M.D.
Cardiac Electrophysiology
NPI 1053346858
1140 W. LA VETA AVE. SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Jairo Marin, M.D.
Interventional Cardiology
NPI 1396776746
1140 W. LA VETA AVE. SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Lawrence Santora, M.D.
Interventional Cardiology
NPI 1982635645
1140 W. LA VETA AVE SUITE # 640
Orange, CA 92868
(714) 564-3318
✔ PECOS✔ Accepts Medicare0.1 mi
Shalizeh Shokooh, M.D.
Cardiovascular Disease (Cardiology)
NPI 1659308591
1140 W. LA VETA AVE SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Kelly Tucker, M.D.
Cardiac Electrophysiology
NPI 1356372643
1140 W. LA VETA AVE SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Jeffrey Tyler, M.D.
Interventional Cardiology
NPI 1588082820
1140 W LA VETA AVE STE 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
George Wesley, M.D.
Interventional Cardiology
NPI 1013942986
1140 W. LA VETA AVE SUITE # 640
Orange, CA 92868
(714) 564-3300
✔ PECOS0.1 mi
Brian Kolski, MD
Interventional Cardiology
NPI 1851449896
1140 W LA VETA AVE STE 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Thuy Le, M.D.
Cardiac Electrophysiology
NPI 1588705750
1140 W LA VETA AVE STE 640
Orange, CA 92868
(714) 564-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Kenneth Meng, M.D.
Diagnostic Radiology
NPI 1134443211
431 S BATAVIA ST STE 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare0.3 mi
Mark Masotto, M.D.
Diagnostic Radiology
NPI 1033118336
431 S BATAVIA ST STE. 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare0.3 mi
Dan Vu, M.D.
Diagnostic Radiology
NPI 1023017571
431 S BATAVIA ST STE. 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare0.3 mi
Joon Kim, MD
Diagnostic Radiology
NPI 1619926391
431 S BATAVIA ST STE. 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare1.0 mi
Paul Kim, MD
Diagnostic Radiology
NPI 1760433296
431 S BATAVIA ST STE. 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare1.0 mi
Andrew Knoll, M.D.
Diagnostic Radiology
NPI 1801075189
431 S BATAVIA ST SUITE 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare1.0 mi
Samir Shah, M.D.
Diagnostic Radiology
NPI 1346477916
431 S BATAVIA ST STE 103
Orange, CA 92868
(714) 571-5000
✔ PECOS✔ Accepts Medicare1.0 mi
Hieu Truong, M.D.
Diagnostic Radiology
NPI 1194724617
431 S BATAVIA ST STE. 103
Orange, CA 92868
(714) 538-6731
✔ PECOS✔ Accepts Medicare1.0 mi
See all 28 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 Orange County Heart Institute And Research Center A Medical Group's NPI number?

The NPI number for Orange County Heart Institute And Research Center A Medical Group is 1265463608. It was assigned to this organization in the NPPES registry on July 5, 2006.

Where is Orange County Heart Institute And Research Center A Medical Group located?

Orange County Heart Institute And Research Center A Medical Group is located at 1140 W La Veta Ave Ste 640, Orange, CA 92868. The listed phone number is (714) 564-3300.

What is Orange County Heart Institute And Research Center A Medical Group's specialty?

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

Is Orange County Heart Institute And Research Center A Medical Group enrolled in Medicare?

Yes. Orange County Heart Institute And Research Center A Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Orange County Heart Institute And Research Center A Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 28 clinicians in 5 Medicare specialties reassign their Medicare billing to Orange County Heart Institute And Research Center A Medical Group. 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 (14), Interventional Cardiology (8) and Cardiac Electrophysiology (3). Of these, 23 practice 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 Orange County Heart Institute And Research Center A Medical Group was last updated on August 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.