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SOUTHERN CALIFORNIA HEART SPECIALISTS
NPI 1821055054
Internal Medicine - Cardiovascular Disease in Pasadena, CA

Active since May 01, 2006
55 E CALIFORNIA BLVD, 3RD FLOOR, PASADENA, CA 91105(626) 793-1227(626) 793-3794 Get Directions Write a Review

NPPES record last updated: June 17, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Southern California Heart Specialists NPPES

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

SOUTHERN CALIFORNIA HEART SPECIALISTS (NPI 1821055054) is a healthcare organization registered as a cardiovascular disease in Pasadena, California and active in the NPI registry since May 2006. The organization lists Tracy D Biggles, Business Office Manager, as its authorized official.

NPPES Registry Identity

NPI1821055054
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameSOUTHERN CALIFORNIA HEART SPECIALISTS
Location Address55 E CALIFORNIA BLVD, 3RD FLOORPasadena, CA 91105-3954
Mailing Address55 E California Blvd, 3rd FloorPasadena, CA 91105-3954 · (626) 793-1227 · Fax (626) 793-3794
Phone(626) 793-1227
Fax(626) 793-3794
Organization SubpartNo
Authorized OfficialTracy D BigglesBusiness Office Manager · (626) 793-1227
Enumeration DateMay 1, 2006
Last NPPES UpdateJune 17, 2008
✔ NPI 1821055054 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 · FNP23413
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.
55 E CALIFORNIA BLVD, Pasadena, CA 91105
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Other Identifiers 6

OtherZZZ51242ZCA · Blue Shield
OtherCI2366CA · Rail Road Medicare
MedicaidGR0069260CA
Medicare ID-Type UnspecifiedW13710ACA
MedicaidGR0069261CA
OtherCI6769CA · Rail Road Medicare

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)

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

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Southern California Heart Specialists, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Gregory Giesler, MD
Cardiovascular Disease (Cardiology)
NPI 1477518454
55 E CALIFORNIA BLVD 3RD FLOOR
Pasadena, CA 91105
(626) 793-1227
✔ PECOS✔ Accepts MedicareSame address
Paul Maher, MD
Cardiovascular Disease (Cardiology)
NPI 1750348942
55 E CALIFORNIA BLVD 3RD FL
Pasadena, CA 91105
(626) 793-1227
✔ PECOSSame address
Kristal Young, M.D.
Cardiovascular Disease (Cardiology)
NPI 1053631960
55 EAST CALIFORNIA BLVD THRID FLOOR
Pasadena, CA 91105
(626) 793-1227
✔ PECOS✔ Accepts MedicareSame address
Andreas Mauer, M.D.
Cardiovascular Disease (Cardiology)
NPI 1477739597
55 E CALIFORNIA BLVD FL 3
Pasadena, CA 91105
(626) 793-1227
✔ PECOS✔ Accepts Medicare0.2 mi
Stephen Soldo, MD
Cardiovascular Disease (Cardiology)
NPI 1851356745
301 W HUNTINGTON DRIVE SUITE 500
Arcadia, CA 91007
(626) 294-4888
✔ PECOS✔ Accepts Medicare6.1 mi
Douglas Yun, MD
Cardiovascular Disease (Cardiology)
NPI 1487611679
301 W HUNTINGTON DRIVE SUITE 500
Arcadia, CA 91007
(626) 294-4888
✔ PECOS✔ Accepts Medicare6.1 mi
Babak Tashakkor, MD
Cardiovascular Disease (Cardiology)
NPI 1548227796
301 W HUNTINGTON DR SUITE 500
Arcadia, CA 91007
(626) 793-1227
✔ PECOS✔ Accepts Medicare6.1 mi
David Yoo, M.D.
Internal Medicine
NPI 1538523618
227 W JANSS RD STE 340
Thousand Oaks, CA 91360
(805) 852-9100
✔ PECOS✔ Accepts Medicare42 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 Southern California Heart Specialists's NPI number?

The NPI number for Southern California Heart Specialists is 1821055054. It was assigned to this organization in the NPPES registry on May 1, 2006.

Where is Southern California Heart Specialists located?

Southern California Heart Specialists is located at 55 E California Blvd 3rd Floor, Pasadena, CA 91105. The listed phone number is (626) 793-1227.

What is Southern California Heart Specialists's specialty?

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

Is Southern California Heart Specialists enrolled in Medicare?

Yes. Southern California Heart Specialists is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southern California Heart Specialists?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Southern California Heart Specialists. 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 Cardiovascular Disease (Cardiology) (7) and Internal Medicine (1). Of these, 3 practice at this address and 7 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 Southern California Heart Specialists was last updated on June 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.