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General Hematology Clinic: Who to call, when?


Call 911 if your child has a medical emergency and needs help right away.

Who to call?

Use the information below to help you quickly reach a member of your child’s medical team.

  • Your child’s primary clinic is H Clinic (Hematology)
  • The H clinic phone number is 901-595-5041.
  • The nurse case manager is Katrina Pennington, RN, BSN.
  • Her phone number is 901-595-0567.

When to call

You may call your child’s clinic phone number during regular operating hours. H Clinic is open 8 a.m.–5 p.m., Monday through Friday. You can call H Clinic directly at 901-595-5041 during these hours.

Call the main hospital telephone number, 901-595-3300, any time you cannot reach your child’s primary clinic. You may request help from the doctor on call.

When to call the main St. Jude hospital number

After regular clinic hours and on holidays, you should call the main St. Jude hospital number, 901-595-3300. If you are outside the Memphis area, dial toll-free 1-866-2STJUDE (1-866-278-5833). When you call the main St. Jude number, ask for H clinic or the doctor on call.

We might ask for your child’s medical record number (MRN).

Your child’s MRN:  ________________________

When to call the nurse case manager

Call your nurse case manager or H Clinic if your child has any of the following symptoms.

·       ________________________________________________________________________

·       ________________________________________________________________________

·       ________________________________________________________________________

·       ________________________________________________________________________

·       ________________________________________________________________________

You should always call your child’s nurse case manager and let them know if you take your child to a local hospital or doctor for any unplanned or urgent medical treatment.

If the doctor at another hospital needs to talk to the hematology team, call the clinic at 901-595-5041. If you are calling after 5 p.m., dial 901-595-3300 and ask for the hematologist on call. If you are outside the Memphis area, dial toll-free 1-866-2STJUDE (1-866-278-5833).


This document is not intended to take the place of the care and attention of your personal physician or other professional medical services. Our aim is to promote active participation in your care and treatment by providing information and education. Questions about individual health concerns or specific treatment options should be discussed with your physician.

St. Jude complies with health care-related federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex.

ATTENTION: If you speak another language, assistance services, free of charge, are available to you. Call 1-866-278-5833 (TTY: 1-901-595-1040).

ATENCIÓN: si habla español, tiene a su disposición servicios gratuitos de asistencia lingüística. Llame al 1-866-278-5833 (TTY: 1-901-595-1040).

تنبيه: إذا كنت تتحدث باللغة العربية فيمكنك الاستعانة بخدمات المساعدة اللغوية المتوفرة لك مجانا. .يرجى الاتصال بالرقم. 5833-278-866-1  (الهاتف النصي: 1040-595-901-1).