Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Harold Henry Bach IV, MD

Individual provider Surgery Physician · NPI 1184886061

Dr. Harold Henry Bach IV, MD is a General Surgery in Downers Grove, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2008, 18 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3825 Highland Ave Ste 303
Downers Grove, IL 60515-1562
Phone: (630) 275-7800
Fax: (630) 241-9215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 036.126328 (IL)

Record details

NPI number1184886061
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 1, 2008
Last updated in NPPESJune 13, 2022
Certification dateJune 13, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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