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OMAR ESPINOZA DNP, CPNP-AC
NPI 1144025750
Nurse Practitioner - Pediatrics in Oak Lawn, IL

Active since February 17, 2025PECOS Enrolled
4400 W 95TH ST STE 106, OAK LAWN, IL 60453(708) 684-5580(708) 684-4068 Get Directions Write a Review

NPPES record last updated: July 29, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 19, 2025, May 13, 2025, Mar 17, 2025 and 1 more (4 updates tracked since 2025).

About Omar Espinoza Dnp, Cpnp-ac NPPES

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

OMAR ESPINOZA DNP, CPNP-AC (NPI 1144025750) is an individual pediatrics provider in Oak Lawn, Illinois, licensed in Illinois (209-031037) and active in the NPI registry since February 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144025750
Entity TypeIndividualMale
Primary Taxonomy363LP0200X
Provider Legal NameOMAR ESPINOZACredential: DNP, CPNP-AC
Location Address4400 W 95TH ST STE 106Oak Lawn, IL 60453-2656
Mailing Address29373 Network PlChicago, IL 60673-1293
Phone(708) 684-5580
Fax(708) 684-4068
Sole ProprietorNo
Enumeration DateFebruary 17, 2025
Last NPPES UpdateJuly 29, 20254 updates tracked since enumeration
NPPES CertifiedJuly 29, 2025
✔ NPI 1144025750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209-031037
Also ListedNurse Practitioner · Pediatrics, Critical CareTaxonomy 363LP0222X · License 209-031037 (IL)
4400 W 95TH ST STE 106, 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, 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)

Omar Espinoza Dnp, Cpnp-ac 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 Omar Espinoza 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
$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 3

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

GABRIEL MARIE HOLTMAN NP
Nurse Practitioner (Pediatrics)
4400 W 95TH ST STE 106
OAK LAWN, IL 60453
Cook County (708) 684-5580
MS. MARIA B BROADSTREET CPNP
Nurse Practitioner
4400 W 95TH ST STE 106
OAK LAWN, IL 60453
Cook County (708) 684-5580
DR. KAREN CARVALHO MD
Pediatrics (Pediatric Cardiology)
4400 W 95TH ST STE 106
OAK LAWN, IL 60453
Cook County (708) 684-5580

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 Omar Espinoza's NPI number?

The NPI number for Omar Espinoza is 1144025750. It was assigned to this individual provider in the NPPES registry on February 17, 2025.

Where is Omar Espinoza located?

Omar Espinoza practices at 4400 W 95th St Ste 106, Oak Lawn, IL 60453. The listed phone number is (708) 684-5580.

What is Omar Espinoza's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Omar Espinoza enrolled in Medicare?

Yes. Omar Espinoza is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Omar Espinoza's services?

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

What insurance does Omar Espinoza accept?

Health plans from Ambetter Health and Oscar Health list Omar Espinoza 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 Omar Espinoza was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.