What is Mark Gillis's specialty?

Mark Gillis (NPI 1992806509) is a Medicare-billing provider whose primary specialty is Family Practice in Itasca, IL.

Where does Mark Gillis practice?

Mark Gillis practices in Itasca, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1992806509.

How much does Medicare pay Mark Gillis?

Mark Gillis (NPI 1992806509) received approximately $137K in total Medicare Part B payments, serving 496 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992806509

Mark GillisMD

Family PracticeItasca, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,461

Unique beneficiaries

—

Total services

4,333

Distinct HCPCS

Medicare payment

$131K

Peer benchmark

Total Medicare services vs. 3,221 Family Practice providers in IL — top quintile (cohort median 556).

PRESCRIBING · PART D · 2024

Total Rx claims

7,288

Beneficiaries

—

Total drug cost

$164K

Distinct drugs

103

Brand share

14.9%

Top prescribed drugs

Atorvastatin Calcium926 claims

Levothyroxine Sodium440 claims

Amlodipine Besylate394 claims

Lisinopril389 claims

Losartan Potassium244 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$22

Payment records

By payment type

Food and Beverage$22

Top paying entities

Food and Beverage$22

REFERRAL NETWORK

Where Mark Gillis'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ADVENTIST MIDWEST HEALTH	211	715
ALEXIAN BROTHERS MEDICAL CENTER	140	601
Michael Racenstein Diagnostic Radiology · Elk Grove Village, IL	29	70
Mark Wernick Clinical Cardiac Electrophysiology · Elk Grove Village, IL	24	113
Brenda Bergeson Family Practice · Bartlett, IL	20	54
Andrew Bennett Diagnostic Radiology · Beverly Hills, CA	19	43
ST. ALEXIUS MEDICAL CENTER	17	57
John Furiasse Internal Medicine · Elk Grove Village, IL	16	60
William Gries Cardiology · Elk Grove Village, IL	13	46
PERKOWSKI, ZBIGNIEW	12	27
Gary Gordon Hematology-Oncology · Elk Grove Village, IL	11	68
Steven Pouls Family Practice · Riverview, FL	11	33

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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