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inSite Digestive Health Care strives to improve the health of the people and communities we serve. Our board-certified physicians manage digestive illnesses with skill and compassion to benefit the physical, psychological, and social well-being of our patients. Select a provider below to schedule an appointment.

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Alaa Abousaif, MD

English Arabic Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583
Anupam Aditi, MD

English Hindi Burlingame Gastroenterology Practice – inSite Digestive Health Care 1860 El Camino Real, Suite 101 Burlingame, CA 94010 Phone: (650) 756-5000 Fax: (650) 737-0170 Daly City Office 333 Gellert Blvd. Suite 111 Daly City, CA 94015 Phone: (650) 756-5000 Fax: (650) 737-0170
Thomas V. Aguirre, MD

English Spanish Santa Barbara Office 2403 Castillo St., Suite 201 Santa Barbara, CA 93105 Phone: (805) 682-3585 Fax: (844) 407-0580
David Alexanian, MD

English Armenian Spanish Burbank Office 201 S. Buena Vista St., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461
Calin Arimie, MD

English West Hills - Offices of Dr. Arimie & Dr. Chitayat 7320 Woodlake Ave., Suite 260 West Hills, CA 91307 Phone: (818) 992-8505 Fax: (818) 889-0971
Zaree Babakhanian, MD

English Spanish Armenian Glendale Office 1809 Verdugo Blvd., Suite 205 Glendale, CA 91208 Phone: (818) 790-5914 Fax: (818) 296-9555
Cyrus A. Badii, MD

English Farsi West Hills Office 7320 Woodlake Ave., Suite 310 West Hills, CA 91307 Phone: (818) 346-9911 Fax: (818) 889-0971
Ihab Beblawi, MD

English Arabic Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
Edward Bentley, MD

English Santa Barbara Office 2403 Castillo St., Suite 201 Santa Barbara, CA 93105 Phone: (805) 682-3585 Fax: (844) 407-0580
Kenneth Buch, MD

English Encino Office 16311 Ventura Blvd., Suite 775 Encino, CA 91436 Phone: (818) 989-1917 Fax: (818) 889-1331
Cathleen N. Cabansag, MD

Fellowship: California Pacific Medical Center, San Francisco Residency: California Pacific Medical Center, San Francisco MD: Loma Linda University School of Medicine San Francisco Office 2186 Geary Blvd., Suite 320 San Francisco, CA 94115 Phone: (415) 749-6900 Fax: (415) 402-0530
Tim (Tien-Chun) Chen, MD

English
Mandarin San Gabriel Office 207 S. Santa Anita St., Suite P-15 San Gabriel, CA 91776 Phone: (626) 898-4560 Fax: (626) 898-4561 Los Angeles Office (Chinatown) 709 N. Hill Street, Suite 18 Los Angeles, CA 90012 Phone: (213) 328-0819 Fax: (844) 407-0584
Wei-Chung Chen, MD

English Chinese Mandarin Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
Stefan J. Chin, MD

English Burlingame Gastroenterology Practice – inSite Digestive Health Care 1860 El Camino Real, Suite 101 Burlingame, CA 94010 Phone: (650) 756-5000 Fax: (650) 737-0170
Ron Chitayat, MD

English West Hills - Offices of Dr. Arimie & Dr. Chitayat 7320 Woodlake Ave., Suite 260 West Hills, CA 91307 Phone: (818) 992-8505 Fax: (818) 889-0971
Kalman Edelman, MD

English Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
Frank J. Farrell, MD

English San Francisco Office 2186 Geary Blvd., Suite 320 San Francisco, CA 94115 Phone: (415) 749-6900 Fax: (415) 402-0530
Henry A. Fisher, MD

English Burbank Office 201 S. Buena Vista St., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461 Valley Village Office 12626 Riverside Dr., Suite 506 Valley Village, CA 91607 Phone: (818) 845-3773 Fax: (818) 889-0461
Casey S. Fu, MD

English Mandarin Pasadena - Raymond Office 630 S. Raymond Ave., Suite 240 Pasadena, CA 91105 Phone: (626) 449-9920 Fax: (844) 406-5405
Bhargava Gannavarapu, MD

English San Jose Office 200 Jose Figueres Ave., Suite 170 San Jose, CA 95116 Phone: (408) 471-2222 Fax: (408) 471-2200 Los Gatos Office 14901 National Ave., Suite 101 Los Gatos, CA 95032 Phone: (408) 471-9900 Fax: (408) 471-3333
Ruel T. Garcia, MD

English San Jose Office 200 Jose Figueres Ave., Suite 170 San Jose, CA 95116 Phone: (408) 471-2222 Fax: (408) 471-2200 Los Gatos Office 14901 National Ave., Suite 101 Los Gatos, CA 95032 Phone: (408) 471-9900 Fax: (408) 471-3333 Mountain View Office 2490 Hospital Drive, Suite 300 Mountain View, CA 94040 Phone: (408) 471-2222 Fax: (844) 407-4559
Rowena Garcia-Chuapoco, MD

English Spanish Tagalog Burlingame Gastroenterology Practice – inSite Digestive Health Care 1860 El Camino Real, Suite 101 Burlingame, CA 94010 Phone: (650) 756-5000 Fax: (650) 737-0170 Santa Clara Gastroenterology Practice – inSite Digestive Health Care 1961 Pruneridge Ave., Suite C Santa Clara, CA 95050 Phone: (408) 247-1147 Fax: (650) 737-0170
Benedict Garrett, MD

English Burbank Office 201 S. Buena Vista St., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461 Valley Village Office 12626 Riverside Dr., Suite 506 Valley Village, CA 91607 Phone: (818) 845-3773 Fax: (818) 889-0461
Maurice Gourdji, MD

English Tarzana Office 5525 Etiwanda Ave., Suite 110 Tarzana, CA 91356 Phone: (818) 708-6070 Fax: (844) 406-5413
Jay Guan, MD

Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Niloufar Guiv, MD

English Farsi West Hills Office 7320 Woodlake Ave., Suite 310 West Hills, CA 91307 Phone: (818) 346-9911 Fax: (818) 889-0971
Kenneth Hepps, MD

English Tarzana Office 5525 Etiwanda Ave., Suite 110 Tarzana, CA 91356 Phone: (818) 996-4796 Fax: (844) 406-5413
Stephen Herr, MD

English West Hills Office 7320 Woodlake Ave., Suite 310 West Hills, CA 91307 Phone: (818) 346-9911 Fax: (818) 889-0971
Nancy Ho, MD

English Mandarin Chinese
James Kao, MD

English Arcadia Office 488 E. Santa Clara St., Suite 103 Arcadia, CA 91006 Phone: (626) 359-3330 Fax: (844) 406-5406 Glendora Office 552 W. Foothill Blvd., Suite 200 Glendora, CA 91741 Phone: (626) 963-2490 Fax: (844) 406-5407
John Kasher, MD, FACP, FACG

English Farsi Spanish Burbank Office 201 S. Buena Vista St., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461
Mark Kogan, MD

English San Pablo Offices 2089 Vale Rd., Suite 33 San Pablo, CA 94806 Phone: (510) 234-5012 Fax: (844) 407-0578 Berkeley Office 2999 Regent Street, Suite 701 Berkeley, CA 94705 Phone: (510) 234-5012 Fax: (844) 407-0578
Brent Kovacs, MD

English Spanish Santa Barbara Office 2403 Castillo St., Suite 201 Santa Barbara, CA 93105 Phone: (805) 682-3585 Fax: (844) 407-0580
Richard A. Kuritzkes, MD

English Burbank Office 201 S. Buena Vista St., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461 Santa Clarita Office 26357 McBean Pkwy., Suite 200 Santa Clarita, CA 91355 Phone: (661) 284-6217 Fax: (818) 889-0461
Amy Lai, PA

Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
James J. Lee, MD

English Korean Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583
Glenn Littenberg, MD

English Pasadena - Raymond Office
630 S. Raymond Ave., Suite 240
Pasadena, CA 91105
Phone: (626) 449-9920
Fax: (844) 406-5405
Michael Madievsky, MD

English
Russian Tarzana Office 5525 Etiwanda Ave., Suite 110 Tarzana, CA 91356 Phone: (818) 996-4796 Fax: (844) 406-5413
Justin Marasigan, DO

English Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Jonathan Matthew, MD

English West Hills Office 7320 Woodlake Ave., Suite 310 West Hills, CA 91307 Phone: (818) 346-9911 Fax: (818) 889-0971
Donald Miller, MD

Fellowship: Temple University Hospital Residency: Boston City Hospital MD: Medical College of Pennsylvania Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Rusha Modi, MD

English Pasadena - Raymond Office
630 S. Raymond Ave., Suite 240
Pasadena, CA 91105
Phone: (626) 449-9920
Fax: (844) 406-5405
Samuel Mourani, MD

English Arabic Arcadia Office 488 E. Santa Clara St., Suite 103 Arcadia, CA 91006 Phone: (626) 359-3330 Fax: (844) 406-5406 Glendora Office 552 W. Foothill Blvd., Suite 200 Glendora, CA 91741 Phone: (626) 963-2490 Fax: (844) 406-5407
Haig Najarian, MD

English Armenian Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583
Kiran Narsinh, MD

English Hindu/Urdu San Pablo Offices 2089 Vale Rd., Suite 33 San Pablo, CA 94806 Phone: (510) 234-5012 Fax: (844) 407-0578 Berkeley Office 2999 Regent Street, Suite 701 Berkeley, CA 94705 Phone: (510) 234-5012 Fax: (844) 407-0578
Kelly Nash, MSN, APRN, FNP-C

English San Jose Office 200 Jose Figueres Ave., Suite 170 San Jose, CA 95116 Phone: (408) 471-2222 Fax: (408) 471-2200 Los Gatos Office 14901 National Ave., Suite 101 Los Gatos, CA 95032 Phone: (408) 471-9900 Fax: (408) 471-3333 Mountain View Office 2490 Hospital Drive, Suite 300 Mountain View, CA 94040 Phone: (408) 471-2222 Fax: (844) 407-4559
Ken D. Nguyen, MD

English Vietnamese San Gabriel Office 207 S. Santa Anita St., Suite P-15 San Gabriel, CA 91776 Phone: (626) 898-4560 Fax: (626) 898-4561 Los Angeles Office (Chinatown) 709 N. Hill Street, Suite 18 Los Angeles, CA 90012 Phone: (213) 328-0819 Fax: (844) 407-0584
Michelle Nguyen, MD

English Los Gatos Office 14901 National Ave., Suite 101 Los Gatos, CA 95032 Phone: (408) 471-9900 Fax: (408) 471-3333 San Jose Office 200 Jose Figueres Ave., Suite 170 San Jose, CA 95116 Phone: (408) 471-2222 Fax: (408) 471-2200
Richard E. Nickowitz, MD

English
Spanish Pasadena - Alessandro Office
50 Alessandro Pl., Suite 410
Pasadena, CA 91105
Phone: (626) 793-7114
Fax: (818) 889-0408
Dana Pan, MD

English
Mandarin San Gabriel Office 207 S. Santa Anita St., Suite P-15 San Gabriel, CA 91776 Phone: (626) 898-4560 Fax: (626) 898-4561 Los Angeles Office (Chinatown) 709 N. Hill Street, Suite 18 Los Angeles, CA 90012 Phone: (213) 328-0819 Fax: (844) 407-0584
Steven J. Petit, MD

English
Spanish Pasadena - Raymond Office
630 S. Raymond Ave., Suite 240
Pasadena, CA 91105
Phone: (626) 449-9920
Fax: (844) 406-5405
Jatinder S. Pruthi, MD

English Lancaster Office 44215 15th Street West, Suite 209 Lancaster, CA 93534 Phone: (661) 522-4567 Fax: (844) 407-4560
Micha Rojany, MD

English French Spanish Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Peter M. Rosenberg, MD

English Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
Gerald S. Rothman, MD

English Farsi West Hills Office 7320 Woodlake Ave., Suite 310 West Hills, CA 91307 Phone: (818) 346-9911 Fax: (818) 889-0971
Daisy Shabnam Lankarani, MD

Tarzana Office 5525 Etiwanda Ave., Suite 110 Tarzana, CA 91356 Phone: (818) 996-4796 Fax: (844) 406-5413
Waleed W. Shindy, MD

English Arabic Pasadena - Congress Office 10 Congress Street, Suite 410 Pasadena, CA 91105 Phone: (626) 412-2838 Fax: (866) 980-0239
Eduardo da Silveira, MD

English Spanish Portuguese San Jose Office 200 Jose Figueres Ave., Suite 170 San Jose, CA 95116 Phone: (408) 471-2222 Fax: (408) 471-2200 Los Gatos Office 14901 National Ave., Suite 101 Los Gatos, CA 95032 Phone: (408) 471-9900 Fax: (408) 471-3333 Mountain View Office 2490 Hospital Drive, Suite 300 Mountain View, CA 94040 Phone: (408) 471-2222 Fax: (844) 407-4559
Karen Simon, MD

English Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Hardeep M. Singh, MD

English Punjabi Spanish Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583 Irvine Office 16305 Sand Canyon Ave., Suite 220 Irvine, CA 92818 Phone: (714) 835-7700 Fax: (844) 407-0583 Newport Beach Office 361 Hospital Road., Suite 227 Newport Beach, CA 91355 Phone: (949) 646-6212 Fax: (949) 650-3013
Sassan Soltani, MD

English Farsi Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
Elias Tarakji, MD

English Arabic Arcadia Office 488 E. Santa Clara St., Suite 103 Arcadia, CA 91006 Phone: (626) 359-3330 Fax: (844) 406-5406 Glendora Office 552 W. Foothill Blvd., Suite 200 Glendora, CA 91741 Phone: (626) 963-2490 Fax: (844) 406-5407
Mark Tsuchiyose, MD

English Spanish Burlingame Gastroenterology Practice – inSite Digestive Health Care 1860 El Camino Real, Suite 101 Burlingame, CA 94010 Phone: (650) 756-5000 Fax: (650) 737-0170 Daly City Office 333 Gellert Blvd. Suite 111 Daly City, CA 94015 Phone: (650) 756-5000 Fax: (650) 737-0170
Sukhpreet S. Walia, MD

English Hindu Punjabi Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Julie Yang, MD

English Mandarin Spanish Taiwanese Pasadena - Alessandro Office 50 Alessandro Pl., Suite 410 Pasadena, CA 91105 Phone: (626) 793-7114 Fax: (818) 889-0408
John Zeroogian, MD

English Pasadena - Raymond Office 630 S. Raymond Ave., Suite 240 Pasadena, CA 91105 Phone: (626) 449-9920 Fax: (844) 406-5405
Rachel Catevenis, PA-C

English Santa Barbara Office 2403 Castillo St., Suite 201 Santa Barbara, CA 93105 Phone: (805) 682-3585 Fax: (844) 407-0580
Daniel Chiu, NP

Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583
Jessica Fennewald, NP

English Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Chelsea Fujita-Haffner, NP

English Spanish Glendora Office 552 W. Foothill Blvd., Suite 200 Glendora, CA 91741 Phone: (626) 963-2490 Fax: (844) 406-5407 Arcadia Office 488 E. Santa Clara St., Suite 103 Arcadia, CA 91006 Phone: (626) 359-3330 Fax: (844) 406-5406
Jenny Hua, PA

English Pasadena - Raymond Office
630 S. Raymond Avd., Suite 240
Pasadena, CA 91105
Phone: (626) 449-9920
Fax: (844) 406-5405
Connie Hwang, NCCPA, AAPA

English Basic fluency in Korean Camarillo Office 4005 Mission Oak Blvd., Unit A Camarillo, CA 93012 Phone: (805) 484-7921 Fax: (805) 388-5404 Oxnard Office 2241 Wankel Way, Suite A Oxnard, CA 93030 Phone: (805) 983-0521 Fax: (805) 485-1484
Elizabeth Marie Marfazelian, NP

English
Armenian Pasadena - Alessandro Office
50 Alessandro Pl., Suite 410
Pasadena, CA 91105
Phone: (626) 793-7114
Fax: (818) 889-0408
Kristina Neagos, MSN, FNP-C

English Romanian Hungarian Burbank Office 201 South Buena Vista Blvd., Suite 410 Burbank, CA 91505 Phone: (818) 845-3773 Fax: (818) 889-0461 Santa Clarita Office 26357 McBean Pkwy., Suite 200 Santa Clarita, CA 91355 Phone: (661) 284-6217 Fax: (818) 889-0461 Valley Village Office 12626 Riverside Dr., Suite 506 Valley Village, CA 91607 Phone: (818) 845-3773 Fax: (818) 889-0461
Terri Rembuskos, PA-C

English Greek Spanish Orange Office 1010 W. La Veta Ave., Suite 570 Orange, CA 92868 Phone: (714) 835-7700 Fax: (844) 407-0583

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inSite Digestive Health Care offers diagnosis and treatment of diseases of the gastrointestinal system with locations across all of California.