What is Michael Greising's specialty?

Michael Greising (NPI 1629071329) is a Medicare-billing provider whose primary specialty is Internal Medicine in Park Ridge, IL.

Where does Michael Greising practice?

Michael Greising practices in Park Ridge, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1629071329.

How much does Medicare pay Michael Greising?

Michael Greising (NPI 1629071329) received approximately $101K in total Medicare Part B payments, serving 445 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629071329

Michael GreisingMD

Internal MedicinePark Ridge, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,150

Unique beneficiaries

—

Total services

1,359

Distinct HCPCS

Medicare payment

$98K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

6,606

Beneficiaries

—

Total drug cost

$464K

Distinct drugs

124

Brand share

20.7%

Top prescribed drugs

Atorvastatin Calcium612 claims

Amlodipine Besylate274 claims

Lisinopril273 claims

Levothyroxine Sodium263 claims

Rosuvastatin Calcium221 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.

REFERRAL NETWORK

Where Michael Greising'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). 37 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lawrence Pankau Internal Medicine · Park Ridge, IL	131	725
PRESENCE CHICAGO HOSPITALS NETWORK	120	376
ADVOCATE HEALTH AND HOSPITALS CORPORATION	120	434
Voula Asimacopoulos Internal Medicine · Park Ridge, IL	104	543
PRESENCE AMBULATORY SERVICES	54	98
AVANTARA PARK RIDGE LLC	37	264
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	34	111
Warren Brandwein Diagnostic Radiology · Chicago, IL	32	82
RAPOPORT, MYRA	30	92
Thomas Keane Interventional Radiology · Oak Brook, IL	28	78
City Of Chicago Ambulance Service Provider · Chicago, IL	25	69
SIEGFRIED, MICHAEL	23	66

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