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ANDREA ISABEL GONZALEZ MD
NPI 1144961871
Obstetrics & Gynecology in Oak Lawn, IL

Active since April 05, 2022PECOS Enrolled
4440 W 95TH ST STE 205, OAK LAWN, IL 60453(708) 684-5340(708) 684-3355 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 26, 2026, Jun 6, 2022, Apr 5, 2022 (3 updates tracked since 2022).

About Andrea Isabel Gonzalez Md NPPES

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

ANDREA ISABEL GONZALEZ MD (NPI 1144961871) is an individual obstetrics & gynecology provider in Oak Lawn, Illinois, licensed in Illinois (036-175619) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1144961871
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameANDREA ISABEL GONZALEZCredential: MD
Location Address4440 W 95TH ST STE 205Oak Lawn, IL 60453-2600
Mailing Address29373 Network PlChicago, IL 60673-1293
Phone(708) 684-5340
Fax(708) 684-3355
Sole ProprietorNo
Enumeration DateApril 5, 2022
Last NPPES UpdateAugust 26, 20263 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1144961871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036-175619
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4440 W 95TH ST STE 205, Oak Lawn, IL 60453
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1836 W Wellington AveChicago, IL 60657-5147 · Phone (773) 296-5420 · Fax (312) 766-4950
Location 2820 S Wood St Ste 100Chicago, IL 60612-4325 · Phone (312) 996-2933

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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)

Andrea Isabel Gonzalez 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 Andrea Gonzalez 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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 Andrea Gonzalez's NPI number?

The NPI number for Andrea Gonzalez is 1144961871. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Andrea Gonzalez located?

Andrea Gonzalez practices at 4440 W 95th St Ste 205, Oak Lawn, IL 60453. The listed phone number is (708) 684-5340.

What is Andrea Gonzalez's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Andrea Gonzalez enrolled in Medicare?

Yes. Andrea Gonzalez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrea Gonzalez's services?

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

What insurance does Andrea Gonzalez accept?

Health plans from Oscar Health list Andrea Gonzalez 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 Andrea Gonzalez was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.