Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gerald Brian Holtz, MD

Individual provider Diagnostic Radiology Physician · NPI 1578649554

Dr. Gerald Brian Holtz, MD is a Diagnostic Radiology in Naperville, Illinois. Graduated from Northwestern University Feinberg Medical School in 1968, 58 years ago. Practices with Hanford Community Hospital, a 60-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
58
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2006
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

705 S Sleight St
Naperville, IL 60540-6628
Phone: (630) 903-4520
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 36-44766 (IL)

Record details

NPI number1578649554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 31, 2006
Last updated in NPPESJanuary 6, 2011
Mailing address705 S Sleight St, Naperville, IL 60540-6628

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1968 (58 years in practice)
Group practice Hanford Community Hospital — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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