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DR. HOLLY PEREZ MD
NPI 1023532603
Family Medicine in West Chicago, IL

Active since July 26, 2017PECOS Enrolled
245 W ROOSEVELT RD STE 150, WEST CHICAGO, IL 60185(630) 293-4124 Get Directions Write a Review

NPPES record last updated: July 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2024, Jun 27, 2024, Jul 3, 2021 and 1 more (4 updates tracked since 2017).

About Dr. Holly Perez Md NPPES

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

DR. HOLLY PEREZ MD (NPI 1023532603) is an individual family medicine provider in West Chicago, Illinois, licensed in Illinois (036.169270) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in St Charles.

NPPES Registry Identity

NPI1023532603
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. HOLLY PEREZCredential: MD
Location Address245 W ROOSEVELT RD STE 150West Chicago, IL 60185-4818
Mailing Address312 E Washington StWest Chicago, IL 60185-2230 · (239) 961-8380
Phone(630) 293-4124
Sole ProprietorNo
Enumeration DateJuly 26, 2017
Last NPPES UpdateJuly 23, 20244 updates tracked since enumeration
NPPES CertifiedJuly 23, 2024
✔ NPI 1023532603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036.169270✔ Licensed in IL · 125077837
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
245 W ROOSEVELT RD STE 150, West Chicago, IL 60185
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Secondary Practice Location 1

Location 141W400 Silver Glen RdSt Charles, IL 60175-8453 · Phone (630) 940-1100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Holly Perez Md 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 Holly Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Access Community Health Network
0.1 mi
Federally Qualified Health Center (FQHC)
245 W ROOSEVELT RD
West Chicago, IL 60185
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group
NPI 1710065164 (630) 293-4124

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 60185 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 5

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

DR. COLLEEN JOSEPH DNP, FNP-BC
Nurse Practitioner (Family)
245 W ROOSEVELT RD STE 150
WEST CHICAGO, IL 60185
Dupage County (866) 267-2353
MADELINE R FISCHER
Physician Assistant
245 W ROOSEVELT RD STE 150
WEST CHICAGO, IL 60185
Dupage County (630) 293-4124
JOANNE SIAR RN
Registered Nurse (Case Management)
245 W ROOSEVELT RD STE 150
WEST CHICAGO, IL 60185
Dupage County (630) 293-4124
JANIELLE JAVIER PA-C
Family Medicine
245 W ROOSEVELT RD STE 150
WEST CHICAGO, IL 60185
Dupage County (630) 293-4124
CHIRAG PATEL APN, FNP
Nurse Practitioner (Family)
245 W ROOSEVELT RD STE 150
WEST CHICAGO, IL 60185
Dupage County (630) 293-4124

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 Holly Perez's NPI number?

The NPI number for Holly Perez is 1023532603. It was assigned to this individual provider in the NPPES registry on July 26, 2017.

Where is Holly Perez located?

Holly Perez practices at 245 W Roosevelt Rd Ste 150, West Chicago, IL 60185. The listed phone number is (630) 293-4124.

What is Holly Perez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Holly Perez enrolled in Medicare?

Yes. Holly Perez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Holly Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Holly Perez reassigns Medicare benefits to Access Community Health Network (West Chicago, 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 Holly Perez'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 Holly Perez was last updated on July 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.