Dr. Collen works in Palm Springs, CA and 4 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Collen is affiliated with Desert Regional Medical Center, Eisenhower Medical Center, Inland Valley Medical Center, Menifee Valley Medical Center and Rancho Los Amigos National Rehabilitation Center.


Years Experience: Not Available

Dr. Collen's Specialties

Dr. Collen's Education & Training

Medical School
Not Available


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Collen's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Basic HMO
  • Aetna HMO
  • Aetna HMO Deductible Plan CA only
  • Aetna Vitalidad Plus CA con Aetna
  • BC CA California Care Small Group HMO

Dr. Collen's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


Advanced Gastroenterology Associates

1330 N Indian Canyon Dr Ste F
Palm Springs, CA 92262

Get Directions

Tel: (760) 864-4163

Fax: (760) 864-4166

Practice Website: homanzadeh.com

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

M 8:00 AM - 5:00 PM
T 8:00 AM - 5:00 PM
W 8:00 AM - 5:00 PM
T 8:00 AM - 5:00 PM
F 8:00 AM - 5:00 PM
S Closed
S Closed

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