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How to Contact Mountainside Hospital

Mailing and Delivery: Mountainside Hospital
  1 Bay Avenue
  Montclair, NJ 07042
  Click Here For Directions
Main Number: 973-429-6000
Patient Information: 973-429-6600
 

Frequently Used Numbers

Billing: 1-866-763-7714
Central Scheduling: 973-873-7787 or 1-877-523-7787
Consumer Health Information: 973-429-6245
Harries Pavilion Reception Desk: 973-429-6979
Human Resources: 973-429-6154
Medical Library: 973-429-6240
Outpatient Lab: 973-429-6160
Physician Referral: 1-888-973-4674
Pre-admission Testing: 1-866-971-7787