COURTENAY A VIHTELIC APN
NPI 1689067183
Nurse Practitioner in Oak Lawn, IL

Q: What is Courtenay Vihtelic's NPI number?

The NPI number for Courtenay Vihtelic is 1689067183. It was assigned to this individual provider in the NPPES registry on March 9, 2015.

Q: What is Courtenay Vihtelic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since March 09, 2015PECOS EnrolledAccepts Medicare Assignment

4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-3278(708) 581-5877 Get Directions Write a Review

NPPES record last updated: January 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2025, Dec 9, 2021, Jun 11, 2019 and 1 more (4 updates tracked since 2019).

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About Courtenay A Vihtelic Apn NPPES

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

COURTENAY A VIHTELIC APN (NPI 1689067183) is an individual nurse practitioner in Oak Lawn, Illinois, licensed in Illinois (277.003373) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Oak Lawn.

NPPES Registry Identity

NPI1689067183

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCOURTENAY A VIHTELICCredential: APN

Location Address4440 W 95TH STOak Lawn, IL 60453-2600

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757

Phone(708) 684-3278

Fax(708) 581-5877

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMarch 9, 2015

Last NPPES UpdateJanuary 3, 20254 updates tracked since enumeration

NPPES CertifiedJanuary 3, 2025

✔ NPI 1689067183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 277.003373

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 209012629 (IL)

4440 W 95TH ST, Oak Lawn, IL 60453

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Secondary Practice Location 1

Location 110837 S Cicero Ave Ste 200Oak Lawn, IL 60453-6459 · Phone (708) 636-7575 · Fax (708) 636-6193

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

Courtenay A Vihtelic Apn 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 ID1557682846

PECOS Enrollment IDI20200321000157

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 Reassignments

Medicare enrollment records show Courtenay Vihtelic reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advocate Health & Hospitals Corporation

Same address

Medical Specialty

4440 W 95TH ST
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Advocate Health And Hospitals Corporation
4,870 clinicians in this Medicare group

NPI 1912936014 (847) 390-5900

Adult Primary Care Center, Ltd.

1.8 mi

Internal Medicine

10837 S CICERO AVE STE 320
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment
6 clinicians in this Medicare group

NPI 1972757409 (708) 636-1601

The University Of Chicago Medical Center

8.1 mi

General Acute Care Hospital

5841 S MARYLAND AVE
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
635 clinicians in this Medicare group

NPI 1033218128 (773) 702-1530

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

Areas of Expertise CMS Part B claims

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

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 20

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

DR. MARK ADRIAN FAASSE MD

Urology