Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Charlotte Michelle O'Sullivan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1487455416

Dr. Charlotte Michelle O'Sullivan, MD is an Obstetrics & Gynecology Physician in Hoffman Estates, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2025
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

1555 N Barrington Rd
Hoffman Estates, IL 60169-1019
Phone: (630) 310-1765
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence NA (IL)

Record details

NPI number1487455416
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 24, 2025
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025

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