Empire Medical Group (Corona)
2115 Compton Ave, Ste 101
Corona, CA 92881
Phone: (951) 493-0037
Empire Medical Group (San Bernardino)
1906 S. Commercenter East, Ste 100
San Bernardino, CA 92408
Phone: (909) 478-7776
Empire Medical Group (Indio)
82-013 Dr. Carreon Blvd, Ste G
Indio, CA 92201
Phone: (760) 775-9500

Our doctors work with our highly skilled medical staff to provide you the best personal attention and service. We take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options.



M. Amber Tyson, MD - Corona, CA - San Bernardino, CA - Indio, CA Diplomate: American Board of Physical Medicine & Rehabilitation
Residency: Physical Medicine and Rehabilitation, University of California, Los Angeles, CA
MD: Cornell University Medical College, New York, NY
Bachelor of Science: Biological Sciences, Stanford University, Palo Alto, CA
Member: American Academy of Physical Medicine & Rehabilitation, American Medical Association
Awards and Recognition: Cornell Medical College Award in PM&R; Max Kade Fellow, Allgemeines Krankenhaus, Vienna, Austria
Activities: Board of Directors, Aids Service Center


Roberta Pickett, MD - Corona, CA - San Bernardino, CA - Indio, CA Diplomate: American Board of Pediatrics
Residency: Harbor-UCLA Medical Torrance, CA
MD: University of California, Los Angeles, CA
Member: American Academy of Pediatrics
Awards and Recognition: ABBEY Award, Steven M. Thompson Award



Amelia Prado, MD - Corona, CA - San Bernardino, CA - Indio, CA Diplomate: American Board of Family Medicine
Residency: Scripps Memorial Hospital, San Diego, California
MD: Michigan State University, College of Human Medicine, Lansing, Michigan
Post –Baccalaureate Program: University of California, Davis
Education Credential: California State University, Los Angeles
BS: Anthropology and Pre-Medicine, University of California, Los Angeles
Member: American Academy of Family Physicians, American Academy of Anti-Aging Medicine, Pediatric Dermatology Society, American Medical Association, California Association of Family Physicians


Alan I. Lee, MD - Corona, CA - San Bernardino, CA - Indio, CA BS: Physical Therapy, University of California, San Francisco
MS: Orthopedic Physical Therapy, Institute of Graduate Health Sciences, Atlanta, GA
MD: University of Hawaii, John A. Bruns School of Medicine (JABSOM)
Residency: Pediatrics: University of Nevada School of Medicine (UNSOM), Pediatric Residency Program, Las Vegas, NV
Member: American Academy of Pediatrics, American Medical Association


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Physician Assistant

Lou Tanwangco, PA-C

Richard Jervis, PA-C

Yohannes Debebe, PA-C


For more information or to schedule an appointment, call us at Corona (951-493-0037); San Bernardino (909-478-7776); or Indio (760-775-9500) or use our online appointment form.


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