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MS. ANDREA FRANCES MERKLER APN, CDE
NPI 1477613073
Clinical Nurse Specialist in Oak Lawn, IL

Active since December 12, 2006PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-1678(708) 684-3371 Get Directions Write a Review

NPPES record last updated: November 13, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Andrea Frances Merkler Apn, Cde NPPES

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

MS. ANDREA FRANCES MERKLER APN, CDE (NPI 1477613073) is an individual clinical nurse specialist in Oak Lawn, Illinois, licensed in Illinois (209-001607) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1477613073
Entity TypeIndividualFemale
Primary Taxonomy364S00000X
Provider Legal NameMS. ANDREA FRANCES MERKLERCredential: APN, CDE
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address15313 Oak RdOak Forest, IL 60452-1529 · (708) 525-8838
Phone(708) 684-1678
Fax(708) 684-3371
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateDecember 12, 2006
Last NPPES UpdateNovember 13, 2017
✔ NPI 1477613073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364S00000X
License✔ Licensed in IL · 209-001607
Definition
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Also ListedClinical Nurse Specialist · PerinatalTaxonomy 364SP1700X · License 209001607 (IL)
4440 W 95TH ST, Oak Lawn, IL 60453
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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

Ms. Andrea Frances Merkler Apn, Cde 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 ID7911000146
PECOS Enrollment IDI20150109000575
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 Andrea Merkler 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 Andrea Merkler's NPI number?

The NPI number for Andrea Merkler is 1477613073. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Andrea Merkler located?

Andrea Merkler practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-1678.

What is Andrea Merkler's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist with taxonomy code 364S00000X.

Is Andrea Merkler enrolled in Medicare?

Yes. Andrea Merkler 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 Andrea Merkler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Merkler 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 Andrea Merkler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrea Merkler was last updated on November 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.