Refer a Patient: Gastroenterology at Parnassus

1. Gather required documents

To be referred and schedule a first appointment, your patient will need to fax these to us:

  • A referral letter from you, including your diagnosis
  • All related doctors' notes and lab or other test results
  • The patient's contact info, including mailing address and phone numbers
  • A copy of their insurance card, front and back
  • A copy of authorization from their insurance company, if required

2. Send everything to us


(415) 514-3300

Have questions?

Call us:
(415) 502-2112

Need help?

Get help making referrals
Physician Referral Services

(800) 444-2559

(415) 353-4395

M-F, 8:00 AM - 5:00 PM (PST)

Transfer a patient
Transfer Center

(415) 353-9166

Open 24 hours a day, every day

Transfer a labor and delivery patient
Access Center

(877) 822-4453

Inpatient: (415) 353-1323

Outpatient: (415) 353-4485

Open 24 hours a day, every day

Refer a patient who lives outside the U.S.
International Services

(415) 353-8489

(415) 353-8603

Open 24 hours a day, every day