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

Robert O Isaacs, M D Ltd

Organization Internal Medicine Physician · NPI 1720305063

Robert O Isaacs, M D Ltd is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2010.

Licensed in
IL
In the registry since
2010
Specialties on file
2
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2800 N Sheridan Rd Ste 303
Chicago, IL 60657-6156
Phone: (773) 348-0870
Fax: (773) 348-2658
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 036035961 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036035961 (IL)

Record details

NPI number1720305063
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Isaacs — President · (773) 348-0870
NPI enumeratedApril 27, 2010
Last updated in NPPESJune 25, 2010
Mailing address2800 N Sheridan Road, Suite 303, Chicago, IL 60657-6156

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