Call: 815.727.4292

Jose Penaherrera, MD

Meet Jose Penaherrera, MD

Jose Penaherrera, M.D. is board certified by the American Board of Internal Medicine. He received his medical degree in 1988 from San Marcos University in Lima, Peru. He completed a residency in internal medicine at Southern Illinois University in Springfield, where he served as Chief Resident and an Assistant Professor.

He has been on staff at Silver Cross Hospital since 1997, where he serves as Chairman of the Continuing Education Committee. Dr. Penaherrera has been recognized as a “Top Doc” at Silver Cross Hospital scoring in the top 1% of physicians throughout the country for patient satisfaction.

With a special interest in diabetes, cardiovascular and geriatric medicine, Dr. Penaherrera is trained to treat adults of all ages. He is trilingual, speaking English, Spanish, and Portuguese.


Phone & Fax

Phone: (815) 727-4292
Fax: (815) 727-5395


Primary Location

Silver Cross Hospital Campus
Pavilion A
1890 Silver Cross Blvd., Suite 265
New Lenox, IL 60451
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Office Hours

Monday: 9:00 am – 5:00 pm

Tuesday: 9:00 am – 1:00 pm

Wednesday: 9:00 am – 1:00 pm

Thursday: 9:00 am – 5:00 pm

Friday: 9:00 am – 5:00 pm

Saturday: 9:00 am – 12:00 pm
(Check with office to confirm dates and availability as its only certain Saturdays)

Secondary Location

Silver Cross Professional Building
1501 Essington Rd., Suite 230B
Joliet, Illinois 60435
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Office Hours

Tuesdays: 3:00 pm – 7:00 pm