1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Nurse Practitioner
  6. NPI Profile

TERESA M O'BRIEN NP-C
NPI 1619356276
Nurse Practitioner - Adult Health in Chicago, IL

Active since May 28, 2015PECOS EnrolledAccepts Medicare Assignment
1725 W HARRISON ST, SUITE 809, CHICAGO, IL 60612(312) 942-5904(312) 942-3192 Get Directions Write a Review

NPPES record last updated: August 3, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Teresa M O'brien Np-c NPPES

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

TERESA M O'BRIEN NP-C (NPI 1619356276) is an individual adult health provider in Chicago, Illinois, licensed in Illinois (209.012775) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1619356276
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameTERESA M O'BRIENCredential: NP-C
Location Address1725 W HARRISON ST, SUITE 809Chicago, IL 60612-3841
Mailing Address1725w Harrison St 809Chicago, IL 60612-3861 · (312) 942-5904
Phone(312) 942-5904
Fax(312) 942-3192
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateMay 28, 2015
Last NPPES UpdateAugust 3, 2015
✔ NPI 1619356276 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in IL · 209.012775
1725 W HARRISON ST, Chicago, IL 60612
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa M O'brien Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254645203
PECOS Enrollment IDI20150804004689
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 40-54 minutes 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
130 services98 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
46 services44 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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.

GIRISH SHARMA MD
Pediatrics (Pediatric Pulmonology)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
WILLIAM R PANJE MD
Otolaryngology
1725 W HARRISON ST, SUITE 340
CHICAGO, IL 60612
Cook County (312) 563-9805
VINCENT C TRAYNELIS MD
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Cook County (312) 942-6644
DR. LORENZO F MUNOZ M.D.
Neurological Surgery
1725 W HARRISON ST, SUITE 970
CHICAGO, IL 60612
Cook County (312) 942-6644
DR. ANTOANETA Y BALABANOV MD
Psychiatry & Neurology (Neurology)
1725 W HARRISON ST, SUITE 1106
CHICAGO, IL 60612
Cook County (312) 942-5936
ASSOCIATES IN HEAD & NECK SURGERY
Otolaryngology
1725 W HARRISON ST, SUITE 938
CHICAGO, IL 60612
Cook County (312) 942-2175
DR. EWA RADWANSKA MD
Obstetrics & Gynecology (Reproductive Endocrinology)
1725 W HARRISON ST, SUITE 408
CHICAGO, IL 60612
Cook County (312) 997-2229
MR. EDGARDO L YORDAN JR. M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Cook County (312) 942-6300

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 Teresa O'brien's NPI number?

The NPI number for Teresa O'brien is 1619356276. It was assigned to this individual provider in the NPPES registry on May 28, 2015.

Where is Teresa O'brien located?

Teresa O'brien practices at 1725 W Harrison St Suite 809, Chicago, IL 60612. The listed phone number is (312) 942-5904.

What is Teresa O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Teresa O'brien enrolled in Medicare?

Yes. Teresa O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Teresa O'brien accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Teresa O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Teresa O'brien affiliated with any hospitals?

According to CMS data, Teresa O'brien is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Teresa O'brien was last updated on August 3, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.