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MRS. KIMBERLY WITTMAYER APRN
NPI 1639473549
Clinical Nurse Specialist - Pediatrics in Oak Lawn, IL

Active since January 06, 2011PECOS Enrolled
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-5619 Get Directions Write a Review

NPPES record last updated: March 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Kimberly Wittmayer Aprn NPPES

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

MRS. KIMBERLY WITTMAYER APRN (NPI 1639473549) is an individual pediatrics provider in Oak Lawn, Illinois, licensed in Illinois (209008526) and active in the NPI registry since January 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639473549
Entity TypeIndividualFemale
Primary Taxonomy364SP0200X
Provider Legal NameMRS. KIMBERLY WITTMAYERCredential: APRN
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 684-5619
Sole ProprietorYes
Enumeration DateJanuary 6, 2011
Last NPPES UpdateMarch 15, 2022
NPPES CertifiedMarch 15, 2022
✔ NPI 1639473549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0200X
License✔ Licensed in IL · 209008526
4440 W 95TH ST, Oak Lawn, IL 60453
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Kimberly Wittmayer Aprn 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.

Medicare Billing Reassignment

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

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

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

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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-4557
DR. MANDY LUMA ENSHIWAT M.D.
Internal Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-8000
DR. KIM MARIE MIILLER MA, PSYD
Psychologist (Clinical)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-7482
JENNIFER MARSIGLIO
Occupational Therapist (Physical Rehabilitation)
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5425
TRACI LYNN TAGUE MA, CCC-SLP
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-1989
ELIZABETH A FOLLIARD OTR/L
Occupational Therapist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5369
MICHAEL CIRONE M.D.
Emergency Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (708) 684-5375
ANNA MANILLA
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Cook County (248) 701-7523

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 Kimberly Wittmayer's NPI number?

The NPI number for Kimberly Wittmayer is 1639473549. It was assigned to this individual provider in the NPPES registry on January 6, 2011.

Where is Kimberly Wittmayer located?

Kimberly Wittmayer practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5619.

What is Kimberly Wittmayer's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Pediatrics, with taxonomy code 364SP0200X.

Is Kimberly Wittmayer enrolled in Medicare?

Yes. Kimberly Wittmayer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kimberly Wittmayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Wittmayer reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, 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 Kimberly Wittmayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kimberly Wittmayer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Kimberly Wittmayer 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.

When was this NPI record last updated?

The NPPES record for Kimberly Wittmayer was last updated on March 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.