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Contact Us

The friendly staff at Oceana Gastroenterology Associates welcomes your call and looks forward to serving you. We are conveniently located in Riverside County, California, and serve Corona, Riverside, and the surrounding areas. If you have any questions about our gastrointestinal services, please call our office at (951) 934-0505. To schedule an appointment, you can call us or use our secure online appointment request form.

Oceana Gastroenterology Associates
www.oceanagastro.com

Phone: (951) 934-0505

Fax: (951) 444-7749

Office Hours

Our regular office hours are Monday through Friday: 8 am - 12 pm and 1 pm - 6 pm.

Medical Emergencies

In the event of a life-threatening medical emergency, call emergency medical services at 911 immediately. DO NOT WAIT! Inform the emergency room staff that you are a patient of Oceana Gastroenterology Associates and they will contact us.

After Hours Urgent Medical Needs

If you have an urgent medical need and need to talk to our doctor after our regular hours, please call our office at (951) 934-0505. A doctor is on-call 24 hours a day. Your call will be returned promptly.

Insurance / Payment / Billing

At Oceana Gastroenterology Associates, we accept Medicare, most supplemental insurance plans to Medicare, several PPO insurance plans, and IPA insurance. Please contact your insurance company or you may call our office at (951) 934-0505 to find out if we accept your plan.

For your convenience, we accept the following insurance plans: Aetna, Blue Cross Blue Shield, Cigna, First Health, IEHP, Health Net, Tricare, Multiplan, Medicare, Medi-Cal, Coventry, AlphaCare,
Epic, Inland Faculty, Vantage, PrimeCare, Prospect Medical Group, Regal Medical Group, Prime Health Services, Exclusive Care, Premiercare Health Services, Riverside Medical Clinic, Specialty Care Network, Elite Care Health Organization – ECHO, Empire Healthcare, Affiliated Partners, All United Medical Group, Giatros Health IPA, LaSalle Medical Group, Healthcare Partners, ADOC Medical Group, Beaver Medical Group, Rios, and Three Rivers Medical Group.

If your insurance plan requires you to pay a co-payment, co-insurance, and/or a deductible, you will need to pay at the time of your visit. For your convenience we accept cash, checks, Visa, MasterCard, Discover, and American Express.

If you have a question related to your bill or insurance, please contact our billing specialists at (951) 934-0505.

Referrals

If your insurance is an HMO/managed care plan and you are required to obtain a referral from your primary care physician, the referral must be obtained before you can be seen for an office visit.

Please coordinate this with your primary care physician in advance. Appointments will be rescheduled if required referrals are not received in the office by the time of your visit.

Hospital & Surgery Center Affiliations

Dr. M. Mazen Jamal at Oceana Gastroenterology Associates has hospital or surgery center affiliations with:

  • Corona Regional Medical Center
  • Corona Summit Surgical Center
  • Parkview Community Hospital

Riverside Community Hospital

Prescription Requests

Prescriptions and refills for established patients of Oceana Gastroenterology Associates are routinely issued during our regular office hours (see above). You can make your request by calling our office at (951) 934-0505.

No refills are issued during the evenings, weekends, or holidays, as the doctor does not have access to your medical records during those times. It is helpful to anticipate your refill needs to avoid an interruption in your medication therapy.

Medical Records Requests

To obtain copies of your medical record, please submit your request in writing, either mailed or faxed to our office. Please allow seven (7) business days to process your request.

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At Oceana Gastroenterology Associates, Dr. M. Mazen Jamal provides diagnosis and treatment for a wide range of gastrointestinal issues for patients in Corona, Riverside, and Inland Empire areas of California. Some of our procedures include Endoscopic Ultrasonography, Therapeutic ERCP, Colonoscopy, Upper Endoscopy, Bravo pH Testing, and Capsule Endoscopy.

  • Home
  • About
  • Providers
  • Conditions
  • Treatments & Procedures
    • Therapeutic ERCP
    • Endoscopic Ultrasonography
    • Bravo pH Testing
    • SmartPill Motility Monitoring
    • Colonoscopy
    • Upper Endoscopy
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  • FAQs
  • Patient Resources
  • Location
  • Reviews
  • Contact Us