Our Locations in Southern California

With over 80 locations, nearly 50 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, Breast Surgery, Colorectal Surgery, Endocrine Surgery, ENT, Foot & Ankle Specialists & Surgery, General Surgery, Minimally Invasive Gynecologic Surgery, Pain Management

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

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

Breast & Endocrine Surgery Ph: (951) 942-2140
Colorectal Surgery Ph: (858) 207-3117 |  Fax: (858) 240-4029
Minimally Invasive Gynecologic Surgery Ph: (858) 868-7109 | Fax: (858) 868-7105

Murrieta | Breast Imaging Center

Screening & Diagnostic Breast Imaging

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

Ph: (951) 942-2140 | Fax: (951) 709-1995

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: CT

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

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

Murrieta | Maternal Fetal Medicine

Maternal Fetal Medicine (Perinatology) 

25395 Hancock Ave., Ste. 210, Murrieta, CA 92562

Ph: (858) 541-4800

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: X-Ray, CT & MRI, 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, 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
Dr. Kamshad Raiszadeh, Orthopaedic Surgery: Ph: (619) 229-5344 | Fax: (877) 201-5342

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

Family Medicine, 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, Family Medicine & 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, Dr. Adnan Ameer & Irina Jovel, NP | Ste. 203
Ph: (951) 788-4490 | Fax: (951) 788-3935

Dr. Galen Huang & Dr. James Hwang | 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

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 | 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, Gynecology, Pain Management, 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

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 Floor 1

Minimally Invasive Gynecologic Surgery (MIGS) & Orthopaedic Surgery 

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

Ph: (442) 357-2651

Dr. Chandra Spring-Robinson, Minimally Invasive Gynecologic Surgery Ph: (858) 868-7109 | Fax: (858) 868-7105
Dr. Mark Schultzel, Orthopaedic Surgery Ph: (858) 526-3842 | Fax: (858) 526-3851
Dr. Kamshad Raiszadeh, Orthopaedic Surgery: Ph: (619) 229-5344 | Fax: (877) 201-5342

Encinitas | Imaging Center

Imaging: X-Ray & MRI

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

Ph: (442) 357-2651

Encinitas | 777 Multi-Specialty Office Floor 2

Behavioral Health, Integrative Medicine, Internal Medicine, Maternal Fetal Medicine (Perinatology)

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

Ph: (760) 487-2700 | Fax: (760) 487-2711

Maternal Fetal Medicine: (442) 357-2651

Encinitas | United Medical Fitness

Physical Therapy, Pelvic Floor Physical Therapy, Medical Fitness, Medical Weight Loss, Dietitian Services, Personal Training, Metabolic Testing, Biohacking Amenities

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

Ph: (760) 487-2700 | Fax: (760) 487-2711

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: (858) 564-3230 | 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 | Multi-Specialty Office Suite 200

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) 348-9050 | Fax: 858-216-1679

Kearny Mesa | United Pain Center

Now Open! Interventional Pain Management

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

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

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