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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 Medical Director of the Geriatrics Program at Weiss Hospital and Section Chief of Geriatrics at Saint Joseph Hospital.

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.

Shesh S. Rao, M.D., MPH

Internal Medicine/Hospitalist

Shesh S. Rao, M.D., MPH

  • Dr. Shesh Rao is Director of the Hospitalist Program at Presence-Saint Joseph Hospital.
  • He received his B.S. degree from University of Illinois at Chicago and M.D. degree from SABA University in Antilles, Netherlands. He received his Master’s Degree in Public Health from University of Illinois.
  • He completed his Internal Medicine Residency from Resurrection-Saint Joseph Hospital in Chicago.
  • He is Board Certified in Internal Medicine with emphasis in Hospital Medicine.
  • Dr. Rao does not have office hours.
  • Practice limited to inpatient care at Presence Health Saint Joseph Hospital.


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 and Urdu.


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


For 2015, our office is closed on:

  • Monday, May 25 for Memorial Day
  • Saturday, July 4 for Independence Day (Closing at 2 PM on Friday, July 3rd)
  • Monday, September 7 for Labor Day
  • Thursday, November 26 for the Thanksgiving Holiday
  • Friday, December 25 for the Christmas Holiday
  • Friday, January 1 for the New Year’s Holiday