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

Dr. Walter Anton Hollinger, MD

Individual provider Internal Medicine Physician · NPI 1750404968

Dr. Walter Anton Hollinger, MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Florida.

Licensed in
FL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

355 E Ohio St #5101
Chicago, IL 60611-3470
Phone: (312) 952-4885
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME65848 (FL)

Record details

NPI number1750404968
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 10, 2007
Last updated in NPPESApril 13, 2012

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