Our Locations in Southern California

With 80 locations, over 40 medical and surgical specialties and 10 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!

View Locations by County

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 Murrieta

Clinical Research, Electrodiagnostic Medicine (EMG), Gastroenterology (Adult & Pediatric), Hepatology, Infusions, Interventional Spine Medicine

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

Ph: (951) 566-5229 | Fax: (951) 698-0272

Dr. Vance Johnson, Interventional Spine Medicine & Dr. Bahnam Thomas, EMG Ph: (951) 894-5000 | Fax: (951) 679-1144

Murrieta | Multi-Specialty Office

Audiology, Colorectal & General Surgery, ENT, Foot & Ankle Specialists & Surgery, Pain Management

35100 Makena Ave., Ste. 102, Murrieta, CA 92563

Ph: (951) 574-6626 | Fax: (951) 709-1995

Colorectal Surgery Ph: (858) 207-3117 | Fax: (858) 240-4029

Murrieta | Imaging Center

Now Open!

35100 Makena Ave., Ste. 101, Murrieta, CA 92563

Ph: (951) 574-6988 | Fax: (951) 709-1555

Murrieta | United Medical Doctors Urgent Care

Temporarily closed for construction. Please visit us at our Temecula location for your urgent care needs!

35100 Makena Ave., Ste. 100, Murrieta, CA 92563

Ph: (951) 383-2618

Murrieta | United University of Nursing

Pre-licensure ADN & RN to BSN Degrees

35100 Makena Ave., Ste. 202-203, Murrieta, CA 92563

Ph: (951) 526-1033

Murrieta | Pathology Laboratory

Pathology Laboratory

35100 Makena Ave., Ste. 103, Murrieta, CA 92563

Ph: (951) 574-4750 | Fax: (951) 574-4550

Murrieta | Murrieta Hot Springs

Endocrinology, Gastroenterology, Hepatology, 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 | Trinity Health Academy

Certified Nursing Assistant Program & Allied Health Courses

1 Betterworld Cir., Ste. 200, Temecula, CA 92590

Ph: (951) 677-7767

Temecula | Gastroenterology

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

Temecula | United Surgery Centers

Outpatient Procedures & Surgeries: Multi-Specialty

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, Occupational Health

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

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

Temecula | Lab & Imaging Center

Laboratory, Imaging, Pathology

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

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

Temecula | Plastic Surgery

Aesthetics, Anti-Aging, Plastic Surgery

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

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

Temecula | Multi-Specialty Office, Temecula Pkwy.

Cardiology, Orthopaedic Surgery, Sports Medicine, Toxicology

31170 Temecula Pkwy., Ste. 100, Temecula, CA 92592

Ph: (951) 517-0534 | Fax: (951) 501-1838

Dr. Mark Schultzel, Orthopaedic Surgery: Ph: (858) 526-3842 | Fax: (858) 526-3851

Temecula | United Medical Fitness

Physical Therapy, Medical Fitness, Medical Weight Loss, Dietitian Services, Personal Training, Metabolic Testing, Group Exercise Classes

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

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

Temecula | Multi-Specialty Office, Avenida De Missiones

Foot & Ankle Specialist & Surgery, Gynecology, Urology, Urogynecology & Female Pelvic Health

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

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

Temecula | ENT & Audiology

Audiology, ENT

44605 Avenida De Missiones, Ste. 205, Temecula, CA 92592

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

Temecula | Pain Management

Pain Management

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

Ph: (951) 973-0870 | Fax: (951) 501-1382

Menifee

Gastroenterology

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

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

Lake Elsinore

Foot & Ankle Specialists & Surgery, Gastroenterology

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

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

Foot & Ankle Specialists & Surgery Ph: (951) 574-6626 | Fax: (951) 709-1995

Corona | Multi-Specialty Office

Foot & Ankle Specialist & Surgery, Gastroenterology, Internal Medicine

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

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

Corona | Cardiology

Cardiology

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

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

Eastvale

Foot & Ankle Specialists & Surgery, Gastroenterology

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

Ph: (951) 332-7170 | Fax: (951) 968-1002

Riverside | Riverwalk Office

Cardiology & Gastroenterology

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

Ph: (951) 520-9392 | Fax: (951) 520-9394

Riverside | United Surgery Center, Riverwalk Pkwy.

Coming Soon!

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

Riverside | Brockton Office

Foot & Ankle Specialists & Surgery, Gastroenterology

6958 Brockton Ave., Stes. 201-203, Riverside, CA 92506

Ph: (951) 788-4490 | Fax: (951) 788-3935

Dr. Nok Hang (Tony) Lai & Irina Jovel, NP | Ste. 203
Ph: (951) 788-4490 | Fax: (951) 788-3935

Dr. Galen Huang & Dr. Christina Steinhauser | Ste. 202
Ph: 951-788-1450 | Fax: 951-788-2385

Dr. Vinod Mishra | Ste. 201
Ph: (951) 784-6790 | Fax: (951) 784-9919

Riverside | United Surgery Center, Brockton Ave.

Outpatient Procedures: Gastroenterology

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

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

Moreno Valley

Foot & Ankle Specialists & Surgery

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

Ph: (951) 788-4490 | Fax: (951) 788-3935

Rancho Mirage

Gastroenterology

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

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

La Quinta

Not currently accepting new patients

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.

Huntington Beach

Gastroenterology & Pain Management

18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648

Ph: (714) 962-7705 | Fax: (714) 587-9027

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) 239-0194

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.

Foot & Ankle Specialist & Surgery, Gastroenterology, Pain Medicine

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

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

Newport Beach | Dermatology

Now Open!

5010 Campus Dr, Ste. 120, Newport Beach, CA 92660

Ph: (949) 773-4784 | Fax: (949) 773-4505

Newport Beach | Plastic Surgery

About U Aesthetics Coming Soon!

400 Newport Center Dr., Ste. 100, Newport Beach, CA 92660

Ph: (949) 760 – 0600 | Fx: (949) 760 – 9689

Newport Beach | Campus Drive, Multi-Specialty

Cardiology, Pain Management, Foot & Ankle Specialist & Surgery, Gastroenterology

5020 Campus Dr., Ste. 200, Newport Beach, CA 92660

Ph: (949) 773-4135 | Fax: (949) 773-4518

Newport Beach | Multi-Specialty

Executive Health, Gynecology, Occupational Health, Orthopaedic Surgery, Urgent Care

20072 SW Birch St., Ste. 100, Newport Beach, CA 92660

Ph: (949) 757-1150 | Fax: (949) 757-1170
Gynecology Ph: (562) 430-4449 | Fax: (562) 430-9911

Irvine

Foot & Ankle Specialist & Surgery, Gastroenterology, Pain Medicine

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

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

Irvine | HOAG

Clinical Research, Gastroenterology, Infusions

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: 714-835-5875

Orange | Multi-Specialty

Coming Soon!

363 S. Main St., Ste. 210, Orange, CA 92868

Orange | United Surgery Centers Multi-Specialty

Coming Soon!

363 S. Main St., Ste. 215, Orange, CA 92868

Los Alamitos

Clinical Research, Gastroenterology, Gynecology, Infusions

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

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

Brea

Cardiology & Gastroenterology

380 W. Central Ave., Ste. 310, Brea, CA 92821

Ph: (657) 286-2670 | Fax: (657) 286-2668

Laguna Hills | Hematology/Oncology

Hematology/Oncology

24953 Paseo De Valencia, Ste. 25B, Laguna Hills, CA 92653

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

Laguna Hills | Gastroenterology

Gastroenterology

24411 Health Center Dr., Ste. 430, Laguna Hills, CA 92653

Ph: (949) 452-3933 | Fax: (949) 458-1291

Mission Viejo | United Surgery Centers

Outpatient Procedures: Gastroenterology

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

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

Mission Viejo | Neurosurgery

Neurosurgery

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

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

Mission Viejo | Gastroenterology

Gastroenterology

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

Ph: (949) 368-4172 | Fax: (949) 368-4165

Yorba Linda | Gastroenterology

Gastroenterology

16677 East Yorba Linda Blvd., Yorba Linda, CA 92886

Ph: (657) 866-3017 | Fax: (657) 363-5998

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.

Carlsbad | United Medical Doctors Urgent Care

Now Open! Urgent Care, Occupational Health

6125 Paseo Del Norte, Ste. 130, Carlsbad, CA 92011

Ph: (442) 244-8347 | Fax: (760) 683-0470

Carlsbad | Neurosurgery

Now Open! Neurosurgery

6125 Paseo Del Norte, Ste. 140, Carlsbad, CA 92011

Ph: (442) 273-5056 | Fax: (442) 333-1277

Carlsbad | Coastal Urgent Care

Urgent Care

6260 El Camino Real, Ste. 101, Carlsbad, CA 92009

Ph: (760) 448-6650 | Fax: (760) 488-6647

Carlsbad | Multi-Specialty Office

Now Open! Colorectal & General Surgery, Gastroenterology & Pain Management

6185 Paseo Del Norte, Ste. 140, Carlsbad, CA 92011

Ph: (760) 683-0467 | Fax: (760) 683-0472

Colorectal Surgery Ph: (858) 207-3117 | Fax: (858) 240-4029

Carlsbad | United Surgery Centers

Now Open! Multi-Specialty

6185 Paseo Del Norte, Ste. 150, Carlsbad, CA 92011

Ph: (422) 232-3207 | Fax: (422) 232-3208

Encinitas | North Coast Health Center Bldg. A

Gastroenterology

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

Cardiology, General & Colorectal Surgery, Gastroenterology (Pediatric), Family Medicine, Gynecology, Pain Management, Sports Medicine, Urogynecology and Female Pelvic Health, Urology

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

Ph: (760) 230-2256 | Fax: (760) 452-2665

Pain Management Ph: (951) 973-0870 | Fax: (951) 501-1382
Colorectal Surgery Ph: (858) 207-3117 | Fax: (858) 240-4029
EP Cardiology, Dr. Jigar Patel Ph: (858) 900-9778

Encinitas | United Surgery Centers

Outpatient Procedures & Surgeries: Multi-Specialty

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

Ph: (760) 334-8805 | Fax: (760) 334-8803

Encinitas | Allergy

Allergy, Immunology

317 N. El Camino Real, Ste. 506, Encinitas, CA 92024

Ph: (760) 436-3988 | Fax: (760) 436-6521

Encinitas | United Medical Doctors Urgent Care

We’ve moved! Visit us at our new Carlsbad location at 6125 Paseo Del Norte, Ste. 130, Carlsbad, CA 92011.

Encinitas | 777 Multi-Specialty Office

Minimally Invasive Gynecologic Surgery (MIGS) & Orthopaedic Surgery

777 N. El Camino Real, Ste. 100, Encinitas, CA 92024

Ph: (442) 357-2651

Minimally Invasive Gynecologic Surgery Ph: (858) 868-7109 | Fax: (858) 868-7105
Orthopaedic Surgery Ph: (858) 526-3842 | Fax: (858) 526-3851

Encinitas | Imaging Center

Coming Soon!

777 N. El Camino Real, Ste. 100, Encinitas, CA 92024

Encinitas | United Medical Fitness

Coming Soon!

777 N. El Camino Real, Ste. 200, Encinitas, CA 92024

La Jolla | Multi-Specialty Suite 230

Now Open! Colorectal Surgery, General Surgery, Minimally Invasive Gynecologic Surgery

4150 Regents Park Row, Ste. 230, La Jolla, CA 92037

Colorectal Surgery Ph: (858) 207-3117 | Fax: (858) 240-4029
Minimally Invasive Gynecologic Surgery Ph: (858) 868-7109 | Fax: (858) 868-7105

La Jolla | Multi-Specialty Suite 330

Now Open! Gastroenterology, Integrative Cardiology & Women’s Health Cardiology

4150 Regents Park Row, Ste. 330, La Jolla, CA 92037

Cardiology: Ph: (760) 230-2256 | Fax: (760) 452-2665
Gastroenterology Ph: (760) 436-8881 | Fax: (760) 230-1092

La Jolla | United Medical Fitness

Coming Soon!

4150 Regents Park Row, Ste. 130, La Jolla, CA 92037

La Jolla | Urgent Care

Coming Soon!

4130 La Jolla Village Dr., Ste. 200, La Jolla, CA 92037

Kearny Mesa | Orthopaedic Surgery

Orthopaedic Surgery

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

Ph: (858) 526-3842

Kearny Mesa | United Medical Doctors Urgent Care

Now Open! Urgent Care, Occupational Health

5643 Copley Dr., Ste. 110, San Diego, CA 92111

Ph: (858) 737-1448 | Fax: (858) 737-1452

Kearny Mesa | Multi-Specialty Office

Now Open! Gastroenterology and Urogynecology & Female Pelvic Health

5643 Copley Dr., Ste. 220, San Diego, CA 92111

Ph: (858) 392-8381 | Fax: (858) 392-8382

Kearny Mesa | Sleep Center

Now Open!

5643 Copley Dr., Ste. 240, San Diego, CA 92111

Ph: (858) 392-8381

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

Northridge | Dr. Gustavo Machicado

Gastroenterology

18350 Roscoe Blvd., Ste. 604, Northridge, CA 91325

Ph: (818) 885-6261 | Fax: (818) 885-8256

Encino

Gastroenterology

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

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

Long Beach

Gastroenterology

3833 Worsham Ave., Ste. 302, Long Beach, CA 90808

Ph: (562) 595-5421 | Fax: (562) 426-2862

Long Beach | United Surgery Centers

Coming Soon!

3849 Atlantic Ave., Long Beach, CA 90807

Lakewood

Gastroenterology

3840 Woodruff Ave., Ste. 206, Long Beach, CA 90808

Ph: (562) 800-6359 | Fax: (562) 800-6351