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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROLINE TILLEY
NPI 1669137857
Obstetrics & Gynecology in Chicago, IL

Active since November 03, 2021PECOS Enrolled
240 E HURON ST STE 1-200, CHICAGO, IL 60611(312) 503-7975 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 17, 2026, Nov 3, 2021 (2 updates tracked since 2021).

About Caroline Tilley NPPES

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

CAROLINE TILLEY (NPI 1669137857) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (125088067) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669137857
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameCAROLINE TILLEY
Location Address240 E HURON ST STE 1-200Chicago, IL 60611-2909
Mailing Address240 E Huron St Ste 1-200Chicago, IL 60611-2909 · (312) 503-7975
Phone(312) 503-7975
Sole ProprietorYes
Enumeration DateNovember 3, 2021
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1669137857 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 · 125088067
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.
240 E HURON ST STE 1-200, Chicago, IL 60611
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caroline Tilley is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CLAYTON LYONS
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (412) 926-8985
BRIAN LEE
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
KATHERINE FIONA SIMPSON
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
ANYA DHAR
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
MR. CADE FREDERICK BENNETT
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
NIRAJ VINAYAK LAWANDE
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
JUSTIN WANG
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975
CALVIN THOMAS HAWE
Student in an Organized Health Care Education/Training Program
240 E HURON ST STE 1-200
CHICAGO, IL 60611
Cook County (312) 503-7975

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 Caroline Tilley's NPI number?

The NPI number for Caroline Tilley is 1669137857. It was assigned to this individual provider in the NPPES registry on November 3, 2021.

Where is Caroline Tilley located?

Caroline Tilley practices at 240 E Huron St Ste 1-200, Chicago, IL 60611. The listed phone number is (312) 503-7975.

What is Caroline Tilley's specialty?

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

Is Caroline Tilley enrolled in Medicare?

Yes. Caroline Tilley is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caroline Tilley was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.