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Home > Information for Patients > St. John's Mercy Hospital 

TELEPHONE NUMBERS

The main telephone number for St. John’s Mercy Hospital is 636-239-8000. Since patient room assignments may change, your relatives and friends should check with the information desk for your correct room number.

Use of cell phones may be restricted in some areas.

Following is a list of phone numbers that may be helpful to you. If you wish
to call any of these departments from a phone in the hospital, simply dial the last four digits.

DEPARTMENT NUMBER
Administration 636-239-8260
Nursing Administration 636-239-8350
Auxiliary/Volunteers 636-239-8044
Billing/Patient Accounts 1-800-833-0799
Development 636-239-8884
Educational Services 636-239-8004
Emergency Department 636-239-8011
Gift Shop 636-239-8299
Hospice 636-239-7128
Home Health Services 1-877-361-2273
Home Infusion Therapy 1-800-788-6034
Housekeeping Dial 0
Information Desk 636-239-8383
Lost and Found 636-239-8666
Maintenance Dial 0
Nutrition Services 636-239-8371
Pastoral Services 636-239-8240
Physician Referral 636-239-8264 or 1-888-700-7171
Public Relations 636-239-8881
Safety/Security 636-239-8666 or Dial 0
Social Services Request assistance through your nurse
Sports and Therapy 636-239-8858



















 

 

Calling Inside the Hospital

  • To call a specific department, just dial the last four digits of the number.
  • To make a local call out of the hospital, dial 9 and the number.
  • To make a long distance or toll call, dial 9 then 0 and the number. Long distance calls cannot be charged to your room. You can make a credit card call or charge a long distance call to your home number.

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A member of the
Sisters of Mercy Health System