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STEPHANIE MAE O'BRIEN FNP-C
NPI 1487141180
Nurse Practitioner - Pediatrics in Chicago, IL

Active since April 18, 2018PECOS Enrolled
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4100 Get Directions Write a Review

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

About Stephanie Mae O'brien Fnp-c NPPES

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

STEPHANIE MAE O'BRIEN FNP-C (NPI 1487141180) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (209016850) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains 14 additional practice locations.

NPPES Registry Identity

NPI1487141180
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameSTEPHANIE MAE O'BRIENCredential: FNP-C
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address2544 N Burling St Apt 1rChicago, IL 60614-2529 · (815) 975-7013
Phone(312) 227-4100
Sole ProprietorYes
Enumeration DateApril 18, 2018
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
✔ NPI 1487141180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209016850
225 E CHICAGO AVE, Chicago, IL 60611
Open in Google Maps ↗

Secondary Practice Locations 14

Location 12301 Enterprise DrWestchester, IL 60154-5802 · Phone (312) 227-4100
Location 2250 E Superior StChicago, IL 60611-2914 · Phone (312) 227-4100
Location 3251 E Huron StChicago, IL 60611-2908 · Phone (312) 227-4100
Location 41620 W Harrison StChicago, IL 60612-3801 · Phone (312) 227-4100
Location 51870 Silver Cross Blvd Ste 210New Lenox, IL 60451-8646 · Phone (312) 227-4100
Location 61131 Techny RdNorthbrook, IL 60062-5503 · Phone (312) 227-4100
Location 7900 N Westmoreland Rd Ste 110Lake Forest, IL 60045-1688 · Phone (312) 227-4100
Location 810350 Haligus Rd Ste 110Huntley, IL 60142-9526 · Phone (312) 227-4100
Location 91475 E Belvidere Rd, Pavilion C, Suite 285Grayslake, IL 60030 · Phone (312) 227-4100
Location 1025 N Winfield RdWinfield, IL 60190-1379 · Phone (312) 227-4100
Location 112515 N Clark St Ste 900Chicago, IL 60614-2730 · Phone (312) 227-4100
Location 12880 W Central Rd Ste 6400Arlington Heights, IL 60005-2378 · Phone (312) 227-4100
Location 133722 Touhy AveSkokie, IL 60076-3941 · Phone (312) 227-4100
Location 141895 Arbor Glen BlvdSchaumburg, IL 60195-3114 · Phone (312) 227-4100

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Mae O'brien Fnp-c 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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.

BESSEY ELIZABETH JOSE GEEVARGHESE DO
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (630) 933-6631
CHRISTINA SOOJIN KIM M.D.
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (443) 928-7458
JESSICA LAUREN OFFENBACH APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
MS. JENNY KO LEE APN
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (847) 962-6268
ERIN COHEN MD
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
DR. JOSEPH HART COLLINS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-3550
ALEXIS LYN HARMON
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
SHANNON JULIA CONWAY MD
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000

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 Stephanie O'brien's NPI number?

The NPI number for Stephanie O'brien is 1487141180. It was assigned to this individual provider in the NPPES registry on April 18, 2018.

Where is Stephanie O'brien located?

Stephanie O'brien practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4100.

What is Stephanie O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Stephanie O'brien enrolled in Medicare?

Yes. Stephanie O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephanie O'brien was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.