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Our Locations in Southern California

With over 30 specialty medical offices, more than 25 medical and surgical specialties and 7 outpatient ambulatory surgery centers, we are proud to be Southern California’s premier independent multi-specialty medical and surgical group. Find a location and specialist near you today!

For a comprehensive list of contact information for individual offices, scroll past the map below.

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 View Locations by County

United Medical Doctors is proud to have offices in four counties in Southern California: Riverside County, San Diego County, Orange County and Los Angeles County. To view the locations available in your county, select from the counties listed below

Riverside County
Orange County
San Diego County
Los Angeles County
United Gi Map 2023

Riverside County

Some of our offices are multi-specialty. Please see below for the types of specialties offered at each location in Riverside County.

Murrieta | Loma Linda

Gastroenterology (Adult & Pediatric), Hepatology, Colorectal & General Surgery, Infusions, Clinical Research & Podiatry

28078 Baxter Rd., Ste. 530, Murrieta, CA 92563

Ph: (951) 566-5229 | Fax: (951) 698-0272
Colorectal Surgery Ph: (858) 207-3117

Murrieta | Pointe Center

Gastroenterology, Hepatology, Endocrinology, Pathology & Imaging

40663 Murrieta Hot Springs Rd., Ste. C1, Murrieta, CA 92562

Ph: (951) 200-6791 | Fax: (951) 698-0272

Murrieta | Imaging Center

Imaging

40663 Murrieta Hot Springs Rd., Ste. C1, Murrieta, CA 92562

Ph: (951) 200-6791 | Fax: (951) 698-0272

Murrieta | United Surgery Centers

Outpatient Procedures: Gastroenterology

25150 Hancock Ave., Ste. 208, Murrieta, CA 92562

Ph: (951) 698-8805 | Fax: (951) 698-8898

Temecula | Rancho Pueblo

Bariatric Surgery, Gastroenterology (Adult & Pediatric), General Surgery & Hepatology

31469 Rancho Pueblo Rd., Ste. 101, Temecula, CA 92592

Ph: (951) 303-3718 | Fax: (951) 698-0272
Neurosurgery Ph: (858) 909-9033

Temecula | United Surgery Centers

Outpatient Procedures & Surgeries: Gastroenterology, ENT, Colorectal & General Surgery, Pain Management, Plastic Surgery & Podiatry

31469 Rancho Pueblo Rd., Ste. 100, Temecula, CA 92592

Ph: (951) 303-6890 | Fax: (951) 303-9108

Temecula | United Medical Doctors Urgent Care

Urgent Care

31150 Temecula Pkwy., Ste. 101, Temecula, CA 92592

Ph: (951) 383-2618 | Fax: (951) 234-8138

Temecula | Hope Pharmacy

Pharmacy

31150 Temecula Pkwy., Ste. 100, Temecula, CA 92592

Ph: (951) 302-3111

Temecula | Lab & Imaging Center

Laboratory, Pathology & Imaging

31150 Temecula Pkwy., Ste. 103, Temecula, CA 92592

Ph: (951) 404-0726 | Fax: (951) 414-3529

Temecula | Plastic Surgery

Plastic Surgery

31150 Temecula Pkwy., Ste. 103, Temecula, CA 92592

Ph: (951) 414-3530 | Fax: (951) 414-3529

Temecula | United Medical Fitness

Medical Fitness, Dietitian Services, Personal Training, Metabolic Testing, Group Exercise Classes & More

31170 Temecula Pkwy., Ste. 102, Temecula, CA 92592

Ph: (951) 466-0004 | Fax: (951) 698-0272

Temecula | ENT & Audiology

Audiology & ENT

46605 Avenida De Missiones, Ste. 205, Temecula, CA 92592

Ph: (951) 404-0911 | ENT Fax: (951) 234-8184

Temecula Multi-Specialty

Pain Management

44605 Avenida De Missiones, Ste. 201, Temecula, CA 92592

Ph: (951) 973-0870 | Fax: (951) 698-0272

Temecula Multi-Specialty

Urology, Urogynecology & Podiatry

44605 Avenida De Missiones, Ste. 203, Temecula, CA 92592

Ph: (951) 383-2254 | Fax: (951) 383-4318

Menifee

Gastroenterology

29826 Haun Rd., Ste. 308, Menifee, CA 92586

Ph: (951) 672-4149 | Fax: (951) 698-0272

Lake Elsinore

Gastroenterology

31571 Canyon Estates Dr., Ste. 131, Lake Elsinore, CA 92532

Ph: (951) 245-2250 | Fax: (951) 698-0272

Corona Multi-Specialty

Gastroenterology, Internal Medicine, Pain Management & Podiatry

341 Magnolia Ave., Ste. 207, Corona, CA 92879

Ph: (951) 734-9930 | Fax: (951) 734-9692

Corona Cardialogy

Cardiology

341 Magnolia Ave., Ste. 205, Corona, CA 92879

Ph: (951) 735-4771 | Fax: (951) 735-3855

Eastvale

Gastroenterology

12442 Limonite Ave., Ste. 209, Eastvale, CA 91752

Ph: (951) 332-7170 | Fax: (951) 698-0272

Riverside

Family Medicine &  Gastroenterology

4244 Riverwalk Pkwy., Ste. 290, Riverside, CA 92505

Riverside | United Surgery Center

Outpatient Procedures & Surgeries

4234 Riverwalk Pkwy., Ste. 160, Riverside, CA 92505

Coming Soon!

Riverside | Brockton Office

Gastroenterology

6958 Brockton Ave., Ste. 203 Riverside, CA 92506

Ph: (951)-488-4490 | Fax: (951) 788-2385
Dr. Vinod Mishra  Ste. 201
Ph: (951) 784-6790 | Fax: (951) 784-9919
Dr. Galen Huang Ste. 202
Ph: 951-788-1450 | Fax: 951-788-2385

Brockton | United Surgery Center

Outpatient Procedures: Gastroenterology

6958 Brockton Ave., Ste. 100 Riverside, CA 92506

Ph: (951) 788-4400 | Fax: (951) 788-4460

Moreno Valley | Moreno Valley Office

Gastroenterology

12980 Frederick St., Ste. J, Moreno Valley, CA 92553

Ph: (951) 788-4490 | Fax: (951) 788-2385

Rancho Mirage

Gastroenterology

35900 Bob Hope Dr., Ste. 275, Rancho Mirage, CA 92270

Ph: (760) 321-2500 | Fax: (760) 321-5720

La Quinta

Gastroenterology

79180 Corporate Centre Dr., Ste. 103, La Quinta, CA 92253

Ph: (760) 619-2008 | Fax: (760) 619-2618

Orange County

Some of our offices are multi-specialty. Please see below for the types of specialties offered at each location in Orange County.

Fountain Valley

Gastroenterology

18111 Brookhurst St., Ste. 5200, Fountain Valley, CA 92708

Ph: (714) 962-7705 | Fax: (714) 861-4552

Newport Beach | Fashion Island

Gastroenterology

400 Newport Center Dr., Ste. 609, Newport Beach, CA 92660

Ph: (949) 760-0398 | Fax: (949) 760-9689

Newport Beach | United Surgery Centers

Outpatient Procedures & Surgeries

400 Newport Center Dr., Ste. 102, Newport Beach, CA 92660

Ph: (949) 423-2170 | Fax: (949) 606-8618
Coming Soon!

Newport Beach | Back Bay Imaging

Imaging & Radiology

301 Bayview Cir., Ste. 105, Newport Beach, CA 92660

Ph: (949) 799-3000 | Fax: (949) 799-4000

Newport Beach | Superior Ave.

Gastroenterology, Podiatry & Pain Management

1525 Superior Ave., Ste. 212, Newport Beach, CA 92663

Ph: (949) 645-1967 | Fax: (949) 645-1346

Irvine

Gastroenterology, Podiatry & Pain Medicine

15775 Laguna Canyon Rd., Ste 240, Irvine, CA 92618

Ph: (949) 753-8844 | Fax: (949) 753-0181

Irvine | HOAG

Gastroenterology, Infusions & Clinical Research

16405 Sand Canyon Ave., Ste. 250, Irvine, CA 92618

Ph: (949) 502-5572 | Fax: (949) 502-5598

Irvine | United Surgery Centers

Outpatient Procedures: Gastroenterology

15825 Laguna Canyon Rd., Ste. 100, Irvine, CA 92618

Ph: (949) 679-6700 | Fax: (949) 387-9530

Orange

Gastroenterology

1140 W. La Veta Ave., Ste 555, Orange, CA 92868

Ph: (714) 835-5100 | Fax: (714) 835-5567

Orange | United Surgery Centers

Outpatient Procedures: Gastroenterology

1140 W. La Veta Ave., Ste 550, Orange, CA 92868

Ph: (714) 835-3636 | Fax: (714) 835-5567

Los Alamitos

Gastroenterology, Infusions, Clinical Research & Pain Medicine

3851 Katella Ave., Ste. 205, Los Alamitos, CA 90720

Ph: (562) 430-4449 | Fax: (562) 430-9911

Mission Viejo

Neurosurgery

26732 Crown Valley Pkwy., Ste. 541, Mission Viejo, CA 92691

Ph: (949) 388-7190 | Fax: (949) 388-7150

Mission Viejo | United Surgery Centers

Outpatient Procedures: Gastroenterology

26732 Crown Valley Pkwy., Ste. 241, Mission Viejo, CA 92691

Ph: (949) 364-2611 | Fax: (949) 364-0226

Mission Viejo

Gastroenterology

26732 Crown Valley Pkwy., Ste. 241, Mission Viejo, CA 92691

Ph: (949) 364-2611 | Fax: (949) 364-0226

Laguna Hills

Hematology & Oncology

24953 Paseo De Valencia, Laguna Hills, CA 92653

Ph: (949) 770-8168 | Fax: (949) 770-2991

San Diego County

Some of our offices are multi-specialty. Please see below for the types of specialties offered at each location in San Diego County.

Fallbrook

Gastroenterology & Internal Medicine

521 E. Elder St., Ste. 104, Fallbrook, CA 92028

Ph: (760) 436-8881 | Fax: (760) 230-1092

Encinitas | North Coast Health Center Bldg. A

Gastroenterology (Adult & Pediatric)

477 N. El Camino Real, Ste. A308, Encinitas, CA 92024

Ph: (760) 436-8881 | Fax: (760) 230-1092

Encinitas | North Coast Health Center Bldg. C

Allergy, Cardiology, General & Colorectal Surgery, Gastroenterology (Adult & Pediatric), Hepatology, Internal Medicine, Neurosurgery, Pain Management & Rheumatology

477 N. El Camino Real, Ste. C204, Encinitas, CA 92024

Ph: (760) 436-8881 | Fax: (760) 230-1092 Pain Management Ph: (951) 234-2739 | Colorectal Surgery Ph: (858) 207-3117 | Cardiology Ph: (858) 900-9778 | Neurosurgery Ph: (858) 909-9033

Encinitas | United Surgery Centers

Outpatient Procedures & Surgeries: Gastroenterology, General & Colorectal Surgery, Pain Management & Urology

477 N. El Camino Real, Ste. A210, Encinitas, CA 92024

Ph: (760) 334-8805

Encinitas | United Medical Doctors Urgent Care

Urgent Care

519 Encinitas Blvd., Ste. 106, Encinitas, CA 92024

Ph: (760) 704-8546 | Fax: (760) 704-8811

La Jolla

Audiology, ENT, Gastroenterology (Adult & Pediatric), General & Colorectal Surgery, Hepatology & Neurosurgery

4150 Regents Park Row, Ste. 345, La Jolla, CA 92037

Ph: (858) 926-7010 | Fax: (858) 926-7009
Colorectal Surgery Ph: (858) 207-3117 | Neurosurgery Ph: (858) 909-9033
ENT Fax: (858) 926-7011

Kearny Mesa

Orthopedic Surgery

3750 Convoy St., Ste. 201, San Diego, CA 92111

Ph: (858)-526-3842

Los Angeles County

Please see below for the types of specialties offered in Los Angeles County.

Northridge

Gastroenterology

18350 Roscoe Blvd., Ste. 702, Northridge, CA 91325

Ph: (818) 280-5961 | Fax: (818) 280-5983

Encino

Gastroenterology

5400 Balboa Blvd., Ste. 228, Encino, CA 91316

Ph: (747) 788-6227 | Fax: (747) 788-6228

United Gastroenterologists

We are committed to providing the highest quality compassionate care & service for all people in the prevention, diagnosis & treatment of medical and surgical diseases.

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