LISA MERAZ APN
NPI 1790323657
Nurse Practitioner - Family in Riverside, IL

Active since December 11, 2019PECOS EnrolledAccepts Medicare Assignment
3722 HARLEM AVE, RIVERSIDE, IL 60546(708) 447-4999 Get Directions Write a Review

NPPES record last updated: August 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2022, Dec 6, 2021, Dec 11, 2019 (3 updates tracked since 2019).

About Lisa Meraz Apn NPPES

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

LISA MERAZ APN (NPI 1790323657) is an individual family provider in Riverside, Illinois, licensed in Illinois (041391696) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1790323657
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLISA MERAZCredential: APN
Location Address3722 HARLEM AVERiverside, IL 60546-2312
Mailing Address3722 Harlem Ave Ste 200Riverside, IL 60546-2334 · (708) 447-4999
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateDecember 11, 2019
Last NPPES UpdateAugust 12, 20223 updates tracked since enumeration
NPPES CertifiedAugust 12, 2022
✔ NPI 1790323657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 041391696
3722 HARLEM AVE, Riverside, IL 60546

Accepted 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

Lisa Meraz Apn 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 ID3476969916
PECOS Enrollment IDI20210309001488
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

3

Medicare enrollment records show Lisa Meraz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 211 clinicians in this Medicare group
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
General Acute Care Hospital
3435 W VAN BUREN ST
Chicago, IL 60624
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group

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.

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60546 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.

Internal Medicine
3722 HARLEM AVE
RIVERSIDE, IL 60546
Internal Medicine
3722 HARLEM AVE
RIVERSIDE, IL 60546
Pediatrics
3722 HARLEM AVE, SUITE 200
RIVERSIDE, IL 60546
Internal Medicine
3722 HARLEM AVE, SUITE LL34
RIVERSIDE, IL 60546
Internal Medicine
3722 HARLEM AVE
RIVERSIDE, IL 60546
Clinic/Center (Radiology)
3722 HARLEM AVE, SUITE LL20
RIVERSIDE, IL 60546
Internal Medicine
3722 HARLEM AVE
RIVERSIDE, IL 60546
Internal Medicine (Gastroenterology)
3722 HARLEM AVE, SUITE 102
RIVERSIDE, IL 60546

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 Lisa Meraz's NPI number?

The NPI number for Lisa Meraz is 1790323657. It was assigned to this individual provider in the NPPES registry on December 11, 2019.

Where is Lisa Meraz located?

Lisa Meraz practices at 3722 Harlem Ave, Riverside, IL 60546. The listed phone number is (708) 447-4999.

What is Lisa Meraz's specialty?

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

Is Lisa Meraz enrolled in Medicare?

Yes. Lisa Meraz 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 Lisa Meraz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Meraz reassigns Medicare benefits to 3 organizations: Loyola Medical Group LLC (Berwyn, IL), Loyola University Medical Center (Maywood, IL) and Advocate Health And Hospitals Corporation (Chicago, 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 Lisa Meraz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lisa Meraz accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Lisa Meraz 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 Lisa Meraz affiliated with any hospitals?

According to CMS data, Lisa Meraz is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Lisa Meraz was last updated on August 12, 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.