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MS. ZENOBIA CLARK FNP-C
NPI 1255719399
Nurse Practitioner in Matteson, IL

Active since May 08, 2015PECOS EnrolledAccepts Medicare Assignment
3442 218TH PL, MATTESON, IL 60443(708) 724-8498 Get Directions Write a Review

NPPES record last updated: September 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2024, Feb 1, 2023, Dec 22, 2022 (3 updates tracked since 2022).

About Ms. Zenobia Clark Fnp-c NPPES

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

MS. ZENOBIA CLARK FNP-C (NPI 1255719399) is an individual nurse practitioner in Matteson, Illinois, licensed in Illinois (209.012335) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1255719399
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. ZENOBIA CLARKCredential: FNP-C
Location Address3442 218TH PLMatteson, IL 60443-2770
Mailing Address3442 218th PlMatteson, IL 60443-2770 · (708) 724-8498
Phone(708) 724-8498
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateMay 8, 2015
Last NPPES UpdateSeptember 30, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2025
✔ NPI 1255719399 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 · 209.012335
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 · FamilyTaxonomy 363LF0000X · License 209.012335 (IL)
3442 218TH PL, Matteson, IL 60443
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Secondary Practice Locations 2

Location 1100 W 162nd StSouth Holland, IL 60473-2003 · Phone (708) 730-2200 · Fax (708) 210-0636
Location 21400 Otto BlvdChicago Heights, IL 60411-3871 · Phone (708) 733-7200 · Fax (708) 733-7222

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

Ms. Zenobia Clark 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 ID4385943265
PECOS Enrollment IDI20180702001577
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 Zenobia Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corporation
16 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

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 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services34 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
28 services26 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
17 services16 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60443 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.

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 Zenobia Clark's NPI number?

The NPI number for Zenobia Clark is 1255719399. It was assigned to this individual provider in the NPPES registry on May 8, 2015.

Where is Zenobia Clark located?

Zenobia Clark practices at 3442 218th Pl, Matteson, IL 60443. The listed phone number is (708) 724-8498.

What is Zenobia Clark's specialty?

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

Is Zenobia Clark enrolled in Medicare?

Yes. Zenobia Clark 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 Zenobia Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zenobia Clark reassigns Medicare benefits to Advocate Health And 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 Zenobia Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zenobia Clark accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Zenobia Clark 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 Zenobia Clark was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.