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Family Doctors with Great Reviews in Rancho Cucamonga, CA

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Verified Family Doctors in Rancho Cucamonga, CA

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235 providers

Availability last updated 07/03/2026

Healthcare specialist
Dr. Steven Long, MD Family Physician
33.9 mi
4870 Barranca Parkway Ste 260
Irvine, CA 92604

Dr. Steven Long, MD

Family Physician

4870 Barranca Parkway Ste 260
Irvine, CA 92604

Healthcare specialist
Christopher Long Family Physician
33.9 mi
4870 Barranca Parkway Ste 260
Irvine, CA 92604

Christopher Long

Family Physician

4870 Barranca Parkway Ste 260
Irvine, CA 92604

Ariana Lundquist, MD
Ariana Lundquist, MD Family Physician
33.9 mi
8 Hughes
Suite 125
Irvine, CA 92618
Ariana Lundquist, MD

Ariana Lundquist, MD

Family Physician

8 Hughes
Suite 125
Irvine, CA 92618

Healthcare specialist
Inil Lin, MD Family Physician
34.1 mi
12362 Beach Blvd Ste 10
Stanton, CA 90680

Inil Lin, MD

Family Physician

12362 Beach Blvd Ste 10
Stanton, CA 90680

Healthcare specialist
Gilbert Varela, MD Family Physician
34.3 mi
5233 E Beverly Blvd
Los Angeles, CA 90022

Gilbert Varela, MD

Family Physician

5233 E Beverly Blvd
Los Angeles, CA 90022

Healthcare specialist
Christopher Salem, DO Geriatric Medicine Physician
34.5 mi
18021 Sky Park Cir., Bldg 68, Ste. G
Irvine, CA 92614

Christopher Salem, DO

Family Physician

18021 Sky Park Cir., Bldg 68, Ste. G
Irvine, CA 92614

Healthcare specialist
Ryan Luong, MD Family Physician
34.7 mi
12658 Hoover St.
Garden Grove, CA 92841

Ryan Luong, MD

Family Physician

12658 Hoover St.
Garden Grove, CA 92841

Dr. Gene Syn, MD
Dr. Gene Syn, MD Colorectal Surgeon
34.7 mi
18102 Sky Park Circle South
Suite D
Irvine, CA 92614
About Dr. Gene Syn, MD

Gene L. Syn, MD, is one of the skilled physicians practicing at Minimally Invasive Medical Group, which has offices in Lake Forest, Mission Viejo, and Irvine, California. 

He is a second-generation Korean-American who was born in Los Angeles and raised in Orange County, California.  He graduated from the UCLA School of Medicine in 1992.  He then did his general surgery residency at the New York Flushing Hospital Medical Center from 1992 to 1997. He further specialized in colon and rectal surgery at the Greater Baltimore Medical Center from 1997 to 1998. 

Dr. Syn received his board certification from the American Board of Surgery as well as the American Board of Colon and Rectal Surgery. He has been practicing colon and rectal surgery in Southern California for over 20 years.

To schedule an appointment with Dr. Syn or another member of the team at Minimally Invasive Medical Group, call the office or request an appointment online today.

Practice
Minimally Invasive Medical Group
Dr. Gene Syn, MD

Dr. Gene Syn, MD

Colorectal Surgeon

18102 Sky Park Circle South
Suite D
Irvine, CA 92614

Leland Dao, DO
5.0
(4)
Leland Dao, DO Family Physician
35.4 mi
5.0 (4)
7695 Westminster Blvd.
Westminster, CA 92683
Latest Review
“”
Leland Dao, DO

Leland Dao, DO

Family Physician

7695 Westminster Blvd.
Westminster, CA 92683

5.0 (4)
Alisa Farokhian, MD
Alisa Farokhian, MD Gastroenterologist
35.5 mi
23600 Rockfield Blvd
Suite 2N
Lake Forest, CA 92630
About Alisa Farokhian, MD

Dr. Alisa Farokhian, MD, specializes in internal medicine and is completing her fellowship in Advanced IBD GI.

Dr. Alisa Farokhian prides herself in her dedication to providing patients with exceptional care, respect, and support. She is completing her advanced IBD program at the prestigious Columbia University Hospital, while additionally working on her GI fellowship.  

Additionally, Dr. Alisa Farokhian has received countless awards and recognition for her participation in research and publications. She continues her education by attending and speaking at numerous top GI conferences to learn the most technological advances in medicine.

Practice
American Beauty Med Spa
Alisa Farokhian, MD

Alisa Farokhian, MD

Gastroenterologist

23600 Rockfield Blvd
Suite 2N
Lake Forest, CA 92630

Dr. Kiet Ton, MD
4.95
(347)
Dr. Kiet Ton, MD Family Physician
35.5 mi
4.95 (347)
17100 Euclid St
Fountain Valley, CA 92708
About Dr. Kiet Ton, MD
Dr. Kiet A Ton is a Family Medicine certified Board in Westminster, California. He graduated with honors in 2003. Having more than 21 years of diverse experiences, especially in FAMILY MEDICINE, HOSPITALIST, HOSPICE, HOME HEALTH, AND NURSING HOMES. Dr. Kiet A Ton affiliates with many hospitals including UCIrvine Fountain Valley Hospital, Orange Coast Memorial Medical Center, Hoag Irvine & Newport Beach cooperates with many other doctors and specialists. Call Dr. Kiet A Ton office on phone number (714) 895-8583 or (714)206-3618 for more information and advice or to book an appointment.
Practice
Kiet Ton MD Corp
Latest Review
“Dr is super nice and caring . The staff is very helpful and kind . Love the experience at thìs office.”
Dr. Kiet Ton, MD

Dr. Kiet Ton, MD

Family Physician

17100 Euclid St
Fountain Valley, CA 92708

4.95 (347)
Healthcare specialist
Jeffrey Bloom, DO Sports Medicine Physician
35.7 mi
3140 Red Hill Ave
#120
Costa Mesa, CA 92626

Jeffrey Bloom, DO

Family Physician

3140 Red Hill Ave
#120
Costa Mesa, CA 92626

Cristal Sumerlin, PA-C
Cristal Sumerlin, PA-C Medical Physician Assistant
35.8 mi
27994 Bradley Road
Suite C
Menifee, CA 92586
About Cristal Sumerlin, PA-C

Born in the small rural ski resort town of Show Low, Arizona, Cristal Sumerlin is a dedicated Physician Assistant specializing in Internal Medicine. With a strong passion for patient care and a desire to play an active role in their treatment and well-being, she chose the professional career path of a Physician Assistant after working as an X-Ray Technician. Cristal fell in love with medicine and recognized the need to further her education to better serve her patients and the community.

Cristal takes great pride in both her personal and professional accomplishments. As a mother and military spouse, she has successfully balanced the demands of family life while pursuing her professional goals. Her commitment to her patients and dedication to her work make her a source of pride and inspiration.

In the field of Internal Medicine, Cristal's strengths lie in managing complex disease processes such as diabetes. Her previous experience as an orthopedic technician and x-ray tech in an orthopedic practice has also honed her skills in orthopedics. She finds fulfillment in working with patients facing orthopedic conditions and providing comprehensive care.

Beyond her career, Cristal enjoys spending time outdoors and engaging in activities such as camping, hiking, and traveling. She cherishes these moments with her friends and family, as they provide a source of rejuvenation and happiness outside of her job.

With her unwavering dedication, clinical expertise, and compassionate approach, Cristal Sumerlin is an invaluable asset to Dr. Richard Lam's office. She strives to make a positive impact on her patients' lives and is committed to providing comprehensive and personalized care to improve their overall well-being.

Practice
Richard C Lam MD & Associates
Cristal Sumerlin, PA-C

Cristal Sumerlin, PA-C

Physician Assistant

27994 Bradley Road
Suite C
Menifee, CA 92586

Dr. Ricardo La Grotta, MD
4.9
(155)
Dr. Ricardo La Grotta, MD Family Physician
35.9 mi
4.9 (155)
23141 Moulton Parkway
Suite 102
Laguna Hills, CA 92653
About Dr. Ricardo La Grotta, MD

Dr. Ricardo La Grotta, MD is a primary care physician. He serves patients at HealthyU Clinics at our Chandler, Arizona clinic.

With over two decades of medical experience, Dr. La Grotta brings his passion and commitment to HealthyU Clinics. Motivated by the organization's dedication to prioritizing patients, he joins with enthusiasm and a belief that the clinic is truly upholding the oath in primary care by putting people first.

Having spent his formative years in diverse regions such as South America, the Caribbean, and the Pacific Northwest, Dr. La Grotta has cultivated a unique perspective. His focus on Primary Care and Urgent Care stems from a seamless blend of practical experience and scientific knowledge.

Although his family has been in the Pacific Northwest for four decades, Dr. La Grotta eagerly embraces Arizona as his new home. He looks forward to immersing himself in the beauty of the state, connecting with its vibrant communities, and indulging in the rich gastronomy that Arizona has to offer.

Practice
HealthyU Clinics
Latest Review
“Love George and the entire staff at the Dobson office. George is so fantastic, he makes you feel like you and your health are the most important. ”
Dr. Ricardo La Grotta, MD

Dr. Ricardo La Grotta, MD

Family Physician

23141 Moulton Parkway
Suite 102
Laguna Hills, CA 92653

4.9 (155)
Healthcare specialist
Tu Anh Luong Family Physician
36.2 mi
3330 Harbor Blvd
Ste 205
Costa Mesa, CA 92626

Tu Anh Luong

Family Physician

3330 Harbor Blvd
Ste 205
Costa Mesa, CA 92626

Healthcare specialist
Chang Oh, MD Family Physician
37.0 mi
24361 El Toro Road Ste 105
Laguna Woods, CA 92637

Chang Oh, MD

Family Physician

24361 El Toro Road Ste 105
Laguna Woods, CA 92637

Dr. Kiet Ton, MD
4.95
(347)
Dr. Kiet Ton, MD Family Physician
37.0 mi
4.95 (347)
9920 Talbert Ave
Fountain Valley, CA 92708
About Dr. Kiet Ton, MD
Dr. Kiet A Ton is a Family Medicine certified Board in Westminster, California. He graduated with honors in 2003. Having more than 21 years of diverse experiences, especially in FAMILY MEDICINE, HOSPITALIST, HOSPICE, HOME HEALTH, AND NURSING HOMES. Dr. Kiet A Ton affiliates with many hospitals including UCIrvine Fountain Valley Hospital, Orange Coast Memorial Medical Center, Hoag Irvine & Newport Beach cooperates with many other doctors and specialists. Call Dr. Kiet A Ton office on phone number (714) 895-8583 or (714)206-3618 for more information and advice or to book an appointment.
Practice
Kiet Ton MD Corp
Latest Review
“Dr is super nice and caring . The staff is very helpful and kind . Love the experience at thìs office.”
Dr. Kiet Ton, MD

Dr. Kiet Ton, MD

Family Physician

9920 Talbert Ave
Fountain Valley, CA 92708

4.95 (347)
Healthcare specialist
Albert Nassir, MD OB-GYN
37.1 mi
2505 E Cesar E Chavez Avenue
Los Angeles, CA 90033

Albert Nassir, MD

OB-GYN

2505 E Cesar E Chavez Avenue
Los Angeles, CA 90033