Gastroenterology Specialists of Oregon, P.C.

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Oregon City
1508 Division St., Suite 15
Oregon City, OR 97045

Tualatin
19250 SW 90th Ave.
Tualatin, OR 97062

Newberg
1003 Providence Dr., Suite 110
Newberg, OR 97132

Or, call us at (503) 692-3750.

More contact info and clinic hours >



Billing Contact


Referral Questions: Do I need a referral for my appointment? Please call our referral coordinator at (971) 224-2439.

Insurance Questions: What did my insurance company pay? How much was applied to my deductible? Please call our insurance specialists at (971) 224-2467. 

Balance Questions:  How much do I owe after the insurance company has paid? Please call our patient account representative at (971) 224-2455.

For insurance changes, please fax the front and back of the insurance card

to:  (971) 224-2477

NOTE: All medical information must be called into our main number: (503) 692-3750.


Payment (Remittance) Address:

PO Box 4423

Portland, OR 97208-4423