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

Dr. Harold B Eulien Jr.

Individual provider Internal Medicine Physician · NPI 1700877222

Dr. Harold B Eulien Jr. is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005

Practice location Address checks out

2800 N Sheridan Rd Ste 107
Chicago, IL 60657-6156
Phone: (773) 525-4740
Fax: (773) 525-4022
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1700877222
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 3, 2005
Last updated in NPPESJuly 13, 2026

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