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Our Physicians

Todd Grendon, M.D.

Internal Medicine / Geriatrics

Todd Grendon

  • Dr. Grendon has special interests in adult medicine and geriatrics.
  • He earned his medical degree from the University of Cincinnati.
  • He completed his residency in Internal Medicine at Northwestern University.
  • Dr. Grendon is Board Certified in both Internal Medicine and Geriatrics.
  • He is currently Chairman of the Department of Medicine and Section Chief of Geriatrics at Saint Joseph Hospital, Chicago.

Alam Khan, M.D.

Internal Medicine

Alam Khan, M.D.

  • Dr. Khan has special interests in hypertension, diabetes, obesity, sexual dysfunction and osteoporosis.
  • He received his medical degree from Dow Medical College, Pakistan.
  • He completed his Internal Medicine residency at Weiss Memorial Hospital — the University of Chicago Hospital serving the North Side.
  • He is Board Certified in Internal Medicine.
  • He is a Fellow in the American College of Physicians.

Bruce A. Blacker, M.D.

Internal Medicine

Bruce A. Blacker, M.D.

  • Dr. Blacker has special interests in the care and treatment of diabetes, hypertension, cardiology and arthritis.
  • He received his medical degree from University of Maryland in Baltimore.
  • He completed his Internal Medicine residency at Temple University in Philadelphia.
  • He is Board Certified in Internal Medicine.


To make an appointment or for more information, please call: (773) 472-5803


The languages spoken by staff and/or doctors include: Spanish, Tagalog, Hindi, Urdu, Cantonese and Mandarin.


Our practice accepts Medicare assignment, Blue Shield, and a wide range of insurance plans. If you are not sure that we accept your insurance, please call our office.

Our Hours

Office visits are by appointment only. Our office is open

Monday–Friday 8:30 AM–
5:00 PM

Saturday 8:30 AM–1:30 PM


Our office is closed on:

  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving
  • Christmas 
  • New Year’s