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MARTEL S WARDEN APRN, FNP-C
NPI 1659837367
Nurse Practitioner - Family in Oak Lawn, IL

Active since February 18, 2019PECOS EnrolledAccepts Medicare Assignment
9555 S 52ND AVE, OAK LAWN, IL 60453(708) 634-0950(708) 634-0942 Get Directions Write a Review

NPPES record last updated: June 22, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 22, 2023, Jul 20, 2022, Dec 20, 2021 and 6 more (9 updates tracked since 2019).

About Martel S Warden Aprn, Fnp-c NPPES

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

MARTEL S WARDEN APRN, FNP-C (NPI 1659837367) is an individual family provider in Oak Lawn, Illinois, licensed in Illinois (209-018990) and active in the NPI registry since February 2019. He is enrolled in Medicare PECOS, is affiliated with Osf Little Company Of Mary Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1659837367
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMARTEL S WARDENCredential: APRN, FNP-C
Location Address9555 S 52ND AVEOak Lawn, IL 60453-3054
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 634-0950
Fax(708) 634-0942
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateFebruary 18, 2019
Last NPPES UpdateJune 22, 20239 updates tracked since enumeration
NPPES CertifiedJune 22, 2023
✔ NPI 1659837367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209-018990
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License 041417848 (IL)
9555 S 52ND AVE, Oak Lawn, IL 60453
Open in Google Maps ↗

Secondary Practice Locations 3

Location 117960 Halsted StHomewood, IL 60430-2014 · Phone (708) 922-0911
Location 21901 W Galena BlvdAurora, IL 60506-4305 · Phone (630) 692-5960 · Fax (630) 692-5961
Location 32100 Glenwood AveJoliet, IL 60435-5487 · Phone (815) 999-3201 · Fax (815) 741-6293

Accepted Insurance

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

Martel S Warden Aprn, Fnp-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 ID1254661564
PECOS Enrollment IDI20190930003232
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

5

Medicare enrollment records show Martel Warden reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advocate Health And Hospitals Corporation
0.6 mi
Mental Health (Including Community Mental Health Center)
4700 W 95TH ST, SUITE LOWER LEVEL 5
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1174747075 (800) 216-1110
Christian Community Health Center
5.5 mi
Federally Qualified Health Center (FQHC)
9718 S HALSTED ST
Chicago, IL 60628
  • Reassigned Medicare billing, Illinois enrollment
  • 27 clinicians in this Medicare group
NPI 1477726453 (773) 233-4100
Immunocare Consulting LLC
14 mi
Family
980 N MICHIGAN AVE STE 438825
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
NPI 1811866452 (815) 457-7889
Physicians Immediate Care North Chicago LLC
17 mi
Urgent Care
4211 N CICERO AVE, SUITE 100
Chicago, IL 60641
  • Reassigned Medicare billing, Illinois enrollment
  • 366 clinicians in this Medicare group
NPI 1205814118 (815) 713-2738
Rush Copley Medical Group
26 mi
Family Medicine
2972 INDIAN TRAIL RD, SUITE A
Aurora, IL 60502
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush-Copley Medical Group Nfp
  • 171 clinicians in this Medicare group
NPI 1194836247 (630) 499-0812

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

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

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · 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.

ELIZABETH M PAYMENT MD
Family Medicine
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 634-0950
DR. DOBROSLAV DOBRIKOV DO
Family Medicine
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 422-5700
BHARATI PRASAD M.D.
Internal Medicine (Critical Care Medicine)
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 684-6867
LORENA GUZMAN-SCHMITT APRN
Nurse Practitioner (Family)
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 684-5437
GURANKIT SINGH DO
Family Medicine
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 422-5700
ERIKA VILLANUEVA
Dietitian, Registered
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 634-0950
DR. VASANTHA SAMALA M.D.
Internal Medicine (Critical Care Medicine)
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 634-0950
KELLY N BILLINGSLEY NP
Nurse Practitioner (Family)
9555 S 52ND AVE
OAK LAWN, IL 60453
Cook County (708) 634-0950

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 Martel Warden's NPI number?

The NPI number for Martel Warden is 1659837367. It was assigned to this individual provider in the NPPES registry on February 18, 2019.

Where is Martel Warden located?

Martel Warden practices at 9555 S 52nd Ave, Oak Lawn, IL 60453. The listed phone number is (708) 634-0950.

What is Martel Warden's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Martel Warden enrolled in Medicare?

Yes. Martel Warden 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 organizations bill Medicare for Martel Warden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martel Warden reassigns Medicare benefits to 5 organizations: Advocate Health And Hospitals Corporation (Oak Lawn, IL), Christian Community Health Center (Chicago, IL), Immunocare Consulting LLC (Chicago, IL), Physicians Immediate Care North Chicago LLC (Chicago, IL) and Rush Copley Medical Group (Aurora, IL). Each 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 Martel Warden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martel Warden accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Oscar Health and Oscar Insurance Company list Martel Warden 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 Martel Warden affiliated with any hospitals?

According to CMS data, Martel Warden is affiliated with Osf Little Company Of Mary Medical Center.

When was this NPI record last updated?

The NPPES record for Martel Warden was last updated on June 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.