What is Mark Hroncich's specialty?

Mark Hroncich (NPI 1265465108) is a Medicare-billing provider whose primary specialty is Internal Medicine in Berwyn, IL.

Where does Mark Hroncich practice?

Mark Hroncich practices in Berwyn, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1265465108.

How much does Medicare pay Mark Hroncich?

Mark Hroncich (NPI 1265465108) received approximately $118K in total Medicare Part B payments, serving 281 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1265465108

Mark HroncichMD

Internal MedicineBerwyn, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

861

Unique beneficiaries

—

Total services

1,169

Distinct HCPCS

Medicare payment

$96K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

8,281

Beneficiaries

—

Total drug cost

$534K

Distinct drugs

136

Brand share

23.7%

Top prescribed drugs

Atorvastatin Calcium564 claims

Amlodipine Besylate283 claims

Hydrocodone/Acetaminophen283 claims

Lisinopril242 claims

Levothyroxine Sodium225 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Mark Hroncich's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 14 inbound referrers · 26 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CML-CHICAGO MARKET LABS, INC.	193	447
GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION	118	691
David Cusick Cardiology · Berwyn, IL	39	290
NAGAMINE, WAYDE	35	130
Christopher Bane Interventional Cardiology · Berwyn, IL	33	231
Reeni Karavattuveetil Diagnostic Radiology · Berwyn, IL	29	100
Charles Kinder Clinical Cardiac Electrophysiology · Berwyn, IL	20	127
Steve Michel Internal Medicine · Oak Park, IL	16	67
LOYOLA UNIVERSITY MEDICAL CENTER	15	119
CENTRAL DUPAGE HOSPITAL ASSOCIATION	15	47
GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION	14	95
David Whitney Dermatology · Berwyn, IL	12	53

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION	153	748
CML-CHICAGO MARKET LABS, INC.	83	267
Kathleen Bhatt Diagnostic Radiology · Milwaukee, WI	38	175
Ameet Parikh Cardiology · Seattle, WA	36	177
Kishin Ramani Cardiology · Berwyn, IL	31	118
David Cusick Cardiology · Berwyn, IL	31	132
AMEDISYS ILLINOIS, L.L.C	29	169
CHOI, MARK	28	129
Nadine Lebo Diagnostic Radiology · Berwyn, IL	27	139
Christopher Bane Interventional Cardiology · Berwyn, IL	26	130
Olga Vinokur Diagnostic Radiology · Berwyn, IL	24	101
NAGAMINE, WAYDE	23	58

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events