HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

TRACY A SIEGFRIED, MD

INTERNAL MEDICINE

Graduated: 1994

Offers telehealth

NPI: 1366598591

Practice Locations (2)

SADDLEBACK MEDICAL GROUP INC

24221 CALLE DE LA LOUISA, SUITE 400

LAGUNA HILLS, CA 926537632

9494658155

HEALTHCARE PARTNERS AFFILIATES MEDICAL GROUP

24331 EL TORO RD, SUITE 330

LAGUNA WOODS, CA 926372754

9497160833

Source: CMS National Downloadable File, September 2026.

TRACY SIEGFRIED, MD | HealthCareAtlasUSA