Stephanie O'Brien, FNP-C
NPI 1487141180 · Pediatric Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie O'Brien, FNP-C is a Pediatric Nurse Practitioner provider in Chicago, IL (NPI 1487141180).
Provider details
- NPI number
- 1487141180
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209016850 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
15 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (14)
- 880 W Central Rd Ste 6400Arlington Heights, IL 60005-2378Phone: (312) 227-4100
- 1620 W Harrison StChicago, IL 60612-3801Phone: (312) 227-4100
- 2515 N Clark St Ste 900Chicago, IL 60614-2730Phone: (312) 227-4100
- 251 E Huron StChicago, IL 60611-2908Phone: (312) 227-4100
- 250 E Superior StChicago, IL 60611-2914Phone: (312) 227-4100
- 1475 E Belvidere Rd, Pavilion CSuite 285Grayslake, IL 60030Phone: (312) 227-4100
- 10350 Haligus Rd Ste 110Huntley, IL 60142-9526Phone: (312) 227-4100
- 900 N Westmoreland Rd Ste 110Lake Forest, IL 60045-1688Phone: (312) 227-4100
- 1870 Silver Cross Blvd Ste 210New Lenox, IL 60451-8646Phone: (312) 227-4100
Registry dates
- Enumerated
- 2018-04-18
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is Stephanie O'Brien's NPI number?
- Stephanie O'Brien's National Provider Identifier (NPI) is 1487141180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie O'Brien's specialty?
- Stephanie O'Brien is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie O'Brien located?
- Stephanie O'Brien's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is Stephanie O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Stephanie O'Brien is (312) 227-4100.
- Does Stephanie O'Brien accept Medicare?
- Stephanie O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie O'Brien's NPI active?
- Yes — Stephanie O'Brien's NPI (1487141180) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.