DR. CHARLOTTE MICHELLE O'SULLIVAN MD
NPI 1487455416
Obstetrics & Gynecology in Hoffman Estates, IL

Active since March 24, 2025
1555 N BARRINGTON RD, HOFFMAN ESTATES, IL 60169(630) 310-1765 Get Directions Write a Review

NPPES record last updated: March 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charlotte Michelle O'sullivan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLOTTE MICHELLE O'SULLIVAN MD (NPI 1487455416) is an individual obstetrics & gynecology provider in Hoffman Estates, Illinois, licensed in Illinois (NA) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1487455416
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. CHARLOTTE MICHELLE O'SULLIVANCredential: MD
Location Address1555 N BARRINGTON RDHoffman Estates, IL 60169-1019
Mailing Address905 Manley RdSt Charles, IL 60174-5561 · (630) 310-1765
Sole ProprietorYes
Enumeration DateMarch 24, 2025
NPPES CertifiedMarch 24, 2025
NPI 1487455416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in IL · NA
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1555 N BARRINGTON RD, Hoffman Estates, IL 60169

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Psychologist (Clinical)
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Student in an Organized Health Care Education/Training Program
1555 N BARRINGTON RD, OBSTETRICS AND GYNECOLOGY RESIDENCY PROGRAM
HOFFMAN ESTATES, IL 60169
Ophthalmology
1555 N BARRINGTON RD, DOB 1, SUITE 330
HOFFMAN ESTATES, IL 60169
Student in an Organized Health Care Education/Training Program
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Student in an Organized Health Care Education/Training Program
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Student in an Organized Health Care Education/Training Program
1555 N BARRINGTON RD
HOFFMAN ESTATES, IL 60169

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charlotte O'sullivan's NPI number?

The NPI number for Charlotte O'sullivan is 1487455416. It was assigned to this individual provider in the NPPES registry on March 24, 2025.

Where is Charlotte O'sullivan located?

Charlotte O'sullivan practices at 1555 N Barrington Rd, Hoffman Estates, IL 60169. The listed phone number is (630) 310-1765.

What is Charlotte O'sullivan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Charlotte O'sullivan was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.