Committed to Patient Care

Chaparral Medical Group is a 80 Physician multi-specialty group serving the communities of Claremont, La Verne, San Dimas, Fontana, Pomona, Rancho Cucamonga, Upland, Ontario, Montclair, Chino, Chino Hills and Diamond Bar in Southern California. The Over 20 Primary Care Physicians that serve as our group’s strong foundation work together with our medical and surgical specialists to provide outstanding care to our community. 

Abounasr, Khader K., M.D.

Specialties

Pulmonary/Critical Care, Sleep Medicine

Languages

English, Spanish, Arabic

Cities

Rancho Cucamonga

Alla, Haritha R., M.D., FACC, RPVI

Specialties

Cardiology, , Nuclear Cardiology

Languages

English, Telegu, Hindi

Cities

Rancho Cucamonga

Arasoghli, Sam, M.D.

Specialties

Otolaryngology

Languages

English, Lebanese, French

Cities

Pomona

Aung, Chan, M.D.

Specialties

Internal Medicine

Languages

English

Cities

Pomona

Brekhus, Sharyn, M.D.

Specialties

Neurosurgery

Languages

English

Cities

San Bernardino, Rancho Cucamonga

Butler, Lisa C., M.D.

Specialties

Internal Medicine

Languages

English

Cities

Pomona

Chanduri, Krishi, M.D.

Specialties

Nephrology

Languages

English, Spanish, Telegu

Cities

Claremont

Chanduri, Swarna S., M.D.

Specialties

Hematology / Oncology

Languages

English

Cities

Pomona

Chaudhary, Preeti, M.D.

Specialties

Hematology / Oncology

Languages

English

Cities

Pomona, Pomona

Chong, Albert K., M.D.

Specialties

Orthopedist

Languages

English, Mandarin

Cities

Pomona

Cohen, Harvey, M.D.

Specialties

Internal Medicine, Geriatrics

Languages

English

Cities

Rancho Cucamonga

Davis, Heather L., M.D.

Specialties

Pulmonary/Critical Care, Sleep Medicine

Languages

English, Spanish

Cities

Pomona

Discepolo, William, M.D.

Specialties

Cardiology, Cardiac Electrophysiology

Languages

English

Cities

Pomona, Upland, Chino, Pomona, Rancho Cucamonga

Elbatta, Mohammad, M.D.

Specialties

Gastroenterology and Hepatology

Languages

English, Arabic

Cities

Pomona, Upland

Eltahir, Nadir A., M.D., FCCP

Specialties

Pulmonary/Critical Care, Sleep Medicine

Languages

English, Arabic

Cities

Pomona

Felix, Sumi, M.D.

Specialties

Health and Wellness

Languages

English

Cities

Pomona

Flores Lazcano, Nallely, M.D.

Specialties

Family Medicine

Languages

English

Cities

Pomona

Gao, Guangquiang, M.D.

Specialties

Cardiovascular and Thoracic Surgery

Languages

English, Chinese

Cities

Pomona

Geronimo, Redemption G., M.D.

Specialties

Internal Medicine

Languages

English

Cities

Pomona

Gordon, Joseph M.D.

Specialties

Pulmonary/Critical Care

Languages

English, English, Spanish

Cities

Pomona

Gupta, Neeraj, M.D.

Specialties

Orthopedic Surgery

Languages

English, Hindi

Cities

Pomona

Harper, Chris, M.D.

Specialties

Dermatology

Languages

English

Cities

Pomona, Pomona

Hwang, Hla Myint Maung, M.D.

Specialties

Nephrology

Languages

English

Cities

Claremont

Jacoby, Robyn D., D.O.

Specialties

Family Medicine

Languages

English

Cities

Claremont

Jain, Sarika, M.D.

Specialties

Cardiovascular and Thoracic Surgery

Languages

English, Hindi

Cities

Pomona

Jeereddi, Prasad A., M.D.

Specialties

Internal Medicine, Endocrinology

Languages

English

Cities

Rancho Cucamonga, Pomona

Jeereddi, Praveena, M.D.

Specialties

Internal Medicine, Health and Wellness, Geriatrics

Languages

English

Cities

Pomona

Jhonatan Munoz Espinoza, M.D.

Specialties
Languages

English

Cities

Pomona

Kasem, Mary, M.D.

Specialties

Family Medicine

Languages

English

Cities

Claremont

Kim, Jerry M.D.

Specialties

General Surgery

Languages

English, Spanish, Korean

Cities

Pomona

Konca, Ewa H., M.D.

Specialties

Internal Medicine, Endocrinology

Languages

English, Polish

Cities

Rancho Cucamonga, Pomona

Lee, Daniel, M.D.

Specialties

Orthopedic Surgery, Hand Surgery

Languages

English

Cities

Pomona, Rancho Cucamonga

Lercel, Gregory, M.D.

Specialties

Orthopedic Surgery

Languages

English

Cities

Pomona, Rancho Cucamonga

Marquez, Yvette, M.D.

Specialties

Neurosurgery

Languages

English, Spanish, French

Cities

Pomona, San Bernardino

Marwaha, Rishu, M.D.

Specialties

Internal Medicine

Languages

English

Cities

Pomona

Merla, Nischita, M.D.

Specialties

Gastroenterology and Hepatology

Languages

English

Cities

Rancho Cucamonga, Pomona

Merla, Ramanna, M.D.

Specialties

Cardiology, Cardiac Electrophysiology, Advanced Heart Failure

Languages

English, Hindi, Telegu

Cities

Pomona, Rancho Cucamonga, Upland, Chino

Mesiwala, Ali H., M.D.

Specialties

Neurosurgery

Languages

English

Cities

Rancho Cucamonga, San Bernardino

Montesa, Christine, M.D.

Specialties

Cardiothoracic Surgery

Languages

English, Spanish

Cities

Pomona

Muthiah, Muthusamy, M.D., FACC, MHA

Specialties

Cardiology

Languages

English, Tamil

Cities

Pomona

Nagaraja, Mysore, M.D.

Specialties

Gastroenterology and Hepatology

Languages

English, Spanish

Cities

Pomona,

Nazeri, Kavoos, M.D.

Specialties

Internal Medicine, Rheumatology

Languages

English, Farsi

Cities

Rancho Cucamonga, Pomona

Niciforos, Peter J., M.D., FAAFP

Specialties

Family Medicine

Languages

English

Cities

Rancho Cucamonga

Parikh, Gaurav, M.D.

Specialties

Cardiology, Interventional Cardiology

Languages

English, Gujarati, Hindi

Cities

Pomona, Chino

Pradhan, Rita K., M.D., FACE

Specialties

Internal Medicine, Endocrinology

Languages

English, Hindi

Cities

Pomona

Rao, Shyam M.D.

Specialties

Pulmonary/Critical Care

Languages

English, English, Spanish

Cities

Rancho Cucamonga

Raptis, Derrick N., M.D

Specialties

Pulmonary/Critical Care

Languages

English

Cities

Pomona

Raptis, Lisa, M.D.

Specialties

, ,

Languages

English

Cities

Pomona

Rasania, Sapna, M.D.

Specialties

Rheumatology

Languages

English

Cities

Pomona

Reddy, Jayapal A., M.D.

Specialties

Cardiology

Languages

English, Kannada

Cities

Rancho Cucamonga, Pomona

Reddy, Krishna G., M.D.

Specialties

Hematology / Oncology

Languages

English

Cities

Pomona

Robles, David, M.D., Ph.D

Specialties

Dermatology

Languages

English

Cities

Rancho Cucamonga

Sadana, Gurbinder A., M.D., FCCP

Specialties

Pulmonary/Critical Care, Sleep Medicine

Languages

English, Hindi

Cities

Pomona

Samudrala, Srinath, M.D.

Specialties

Neurosurgery

Languages

English

Cities

Pomona, Upland

Schmidt-Villanueva, Miriam L., M.D.

Specialties

Pediatrics, Family Medicine

Languages

English, Spanish

Cities

Pomona

Sharma, Ashok V., M.D.

Specialties

Internal Medicine

Languages

English, Hindi

Cities

Claremont

Siddiqi, Nazia, M.D.

Specialties

Internal Medicine, Nephrology

Languages

English

Cities

Rancho Cucamonga

Sinha, Rakesh, M.D.

Specialties

Pulmonary/Critical Care, Sleep Medicine

Languages

English

Cities

Pomona

Soriano, Nathaniel, M.D.

Specialties

Pulmonary/Critical Care

Languages

English

Cities

Pomona

Srikanth, Sujantha, M.D.

Specialties

Endocrinology

Languages

English, English

Cities

Rancho Cucamonga, Chino

Srikanth, Sundararajan, M.D.

Specialties
Languages

English

Cities

Pomona, Chino

Tama, Maher M.D.

Specialties

Gastroenterology and Hepatology

Languages

English, English, Arabic, Spanish

Cities

Pomona, Upland

Thumati, Rama K., M.D., FACC

Specialties

Cardiology

Languages

English, Telegu

Cities

Pomona

Tint, Nyein Aye, M.D.

Specialties

Internal Medicine

Languages

English, Burmese

Cities

Rancho Cucamonga, Upland

Tobin Panicker, M.D.

Specialties
Languages

English

Cities

Pomona

Tremazi, Jaffar A., M.D.

Specialties

Rheumatology, Internal Medicine

Languages

English

Cities

Pomona

Valamanesh, Daryoosh, M.D.

Specialties

Internal Medicine, Endocrinology

Languages

English

Cities

Rancho Cucamonga, Pomona, Pomona, Rancho Cucamonga

Vangala, Nitanth R., M.D.

Specialties

Cardiology, Interventional Cardiology

Languages

English

Cities

Rancho Cucamonga, Pomona, Chino

Virani, Parveen, M.D.

Specialties

Health and Wellness

Languages

English

Cities

Pomona

Waldron, Kevin, M.D.

Specialties

Neurosurgery

Languages

English

Cities

Pomona

Wariach, Uzma, M.D.

Specialties

Internal Medicine

Languages

English

Cities

Pomona

Yalamanchili, Harish, M.D.

Specialties

General Surgery

Languages

English

Cities

Pomona, Rancho Cucamonga