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BRITTANY ELYSE SEGREST
NPI 1417718370
Nurse Practitioner - Acute Care in Oak Lawn, IL

Active since January 18, 2024PECOS EnrolledAccepts Medicare Assignment
9921 SOUTHWEST HWY, OAK LAWN, IL 60453(708) 499-5678 Get Directions Write a Review

NPPES record last updated: October 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Brittany Elyse Segrest NPPES

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

BRITTANY ELYSE SEGREST (NPI 1417718370) is an individual acute care provider in Oak Lawn, Illinois, licensed in Illinois (209030568) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Flint.

NPPES Registry Identity

NPI1417718370
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameBRITTANY ELYSE SEGREST
Location Address9921 SOUTHWEST HWYOak Lawn, IL 60453-3754
Mailing Address303 E Kearsley StFlint, MI 48502-1907
Phone(708) 499-5678
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 18, 2024
Last NPPES UpdateOctober 21, 2024
NPPES CertifiedOctober 21, 2024
✔ NPI 1417718370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 209030568
9921 SOUTHWEST HWY, Oak Lawn, IL 60453
Open in Google Maps ↗

Secondary Practice Location 1

Location 1303 E Kearsley StFlint, MI 48502-1907 · Phone (586) 872-9699

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brittany Elyse Segrest 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 ID7315472263
PECOS Enrollment IDI20241202001117
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.

Medicare Billing Reassignment

Medicare enrollment records show Brittany Segrest reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gi Partners Of Illinois, PLLC
42 mi
Gastroenterology
1880 W WINCHESTER RD, #201
Libertyville, IL 60048
  • Reassigned Medicare billing, Illinois enrollment
  • 74 clinicians in this Medicare group
NPI 1548613995 (847) 247-0187

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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 19

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

VINCENT MUSCARELLO MD
Internal Medicine (Gastroenterology)
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 425-8616
DOUGLAS A LEE MD
Specialist
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 499-5678
BRIAN BLUMENSTEIN MD
Internal Medicine (Gastroenterology)
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 425-8616
JEFFREY H PORT M.D.
Internal Medicine (Gastroenterology)
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 499-5678
ANNA KATHRYN PFEIFFER PA-C
Physician Assistant
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 499-5678
LAUREN SMITH FNP
Nurse Practitioner
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 425-9456
AMY LISS PA-C
Physician Assistant
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 499-5678
MIHIR MAJMUNDAR M.D.
Specialist
9921 SOUTHWEST HWY
OAK LAWN, IL 60453
Cook County (708) 499-5678

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 Brittany Segrest's NPI number?

The NPI number for Brittany Segrest is 1417718370. It was assigned to this individual provider in the NPPES registry on January 18, 2024.

Where is Brittany Segrest located?

Brittany Segrest practices at 9921 Southwest Hwy, Oak Lawn, IL 60453. The listed phone number is (708) 499-5678.

What is Brittany Segrest's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Brittany Segrest enrolled in Medicare?

Yes. Brittany Segrest 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.

Which organization bills Medicare for Brittany Segrest's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brittany Segrest reassigns Medicare benefits to Gi Partners Of Illinois, PLLC (Libertyville, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brittany Segrest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brittany Segrest accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Brittany Segrest 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 Brittany Segrest affiliated with any hospitals?

According to CMS data, Brittany Segrest is affiliated with Advocate Christ Hospital & Medical Center and Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Brittany Segrest was last updated on October 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.