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DR. JANOS ANTAL UZONYI MD
NPI 1912357070
Obstetrics & Gynecology in East Chicago, IN

Active since June 20, 2016PECOS EnrolledAccepts Medicare Assignment
100 W CHICAGO AVE STE F, EAST CHICAGO, IN 46312(219) 392-1700 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 21, 2025, Jul 23, 2020, Aug 7, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Janos Antal Uzonyi Md NPPES

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

DR. JANOS ANTAL UZONYI MD (NPI 1912357070) is an individual obstetrics & gynecology provider in East Chicago, Indiana, licensed in Illinois (036150031) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1912357070
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. JANOS ANTAL UZONYICredential: MD
Location Address100 W CHICAGO AVE STE FEast Chicago, IN 46312-3261
Mailing Address100 W Chicago Ave Ste FEast Chicago, IN 46312-3261 · (219) 392-1700 · Fax (219) 397-0193
Phone(219) 392-1700
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 20, 2016
Last NPPES UpdateMay 21, 20254 updates tracked since enumeration
NPPES CertifiedMay 21, 2025
✔ NPI 1912357070 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 · 036150031
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.
100 W CHICAGO AVE STE F, East Chicago, IN 46312
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Dr. Janos Antal Uzonyi Md 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 ID446675870
PECOS Enrollment IDI20250624002990
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 Janos Uzonyi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

219 Health Network Inc
Same address
Family Medicine
100 W CHICAGO AVE STE F
East Chicago, IN 46312
  • Reassigned Medicare billing, Indiana enrollment
  • 92 clinicians in this Medicare group
NPI 1093213506 (219) 392-7016
Obhg Illinois Sc
22 mi
Obstetrics & Gynecology
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 219 clinicians in this Medicare group
NPI 1700107216 (800) 967-2289
Riverside Health System
40 mi
General Practice
1905 W COURT ST
Kankakee, IL 60901
  • Reassigned Medicare billing, Illinois enrollment
  • 381 clinicians in this Medicare group
NPI 1417061193 (815) 935-7526

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.

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150008
Location4321 Fir StreetEast Chicago, IN 46312 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46312 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

Other Providers at the Same Location NPPES 6

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

219 HEALTH NETWORK INC
Family Medicine
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016
219 HEALTH NETWORK INC
Clinic/Center (Federally Qualified Health Center (FQHC))
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016
DR. JUN DONG KIM DO
Obstetrics & Gynecology
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016
JESSICA DUDLEY CNM
Advanced Practice Midwife
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016
HUMBERTO CALERO MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016
LADY ANNE MARGOTTE PLASABAS AGACNP-BC
Nurse Practitioner (Gerontology)
100 W CHICAGO AVE STE F
EAST CHICAGO, IN 46312
Lake County (219) 392-7016

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 Janos Uzonyi's NPI number?

The NPI number for Janos Uzonyi is 1912357070. It was assigned to this individual provider in the NPPES registry on June 20, 2016.

Where is Janos Uzonyi located?

Janos Uzonyi practices at 100 W Chicago Ave Ste F, East Chicago, IN 46312. The listed phone number is (219) 392-1700.

What is Janos Uzonyi's specialty?

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

Is Janos Uzonyi enrolled in Medicare?

Yes. Janos Uzonyi 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 Janos Uzonyi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janos Uzonyi reassigns Medicare benefits to 3 organizations: 219 Health Network Inc (East Chicago, IN), Obhg Illinois Sc (Berwyn, IL) and Riverside Health System (Kankakee, 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 Janos Uzonyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Janos Uzonyi accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Janos Uzonyi 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 Janos Uzonyi affiliated with any hospitals?

According to CMS data, Janos Uzonyi is affiliated with St Catherine Hospital Inc.

When was this NPI record last updated?

The NPPES record for Janos Uzonyi was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.