PROVIDER PROFILE · NPI 1598708877

Mark LeischnerM.D.

PRACTICEVASCULAR ACCESS CENTERS OF ILLINOIS AT NORTH CENTER LLCSee all providers at this practice →

NephrologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

965

Unique beneficiaries

—

Total services

10,734

Distinct HCPCS

Medicare payment

$205K

Peer benchmark

Total Medicare services vs. 404 Nephrology providers in IL — top quintile (cohort median 1,672).

PRESCRIBING · PART D · 2024

Total Rx claims

1,150

Beneficiaries

—

Total drug cost

$273K

Distinct drugs

Brand share

21.0%

Top prescribed drugs

Calcitriol235 claims

Furosemide113 claims

Amlodipine Besylate78 claims

Dapagliflozin Propanediol74 claims

Nifedipine72 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$186

Payment records

By payment type

Food and Beverage$186

REFERRAL NETWORK

Where Mark Leischner'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). 30 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1255335535	57	120
Bogdan Derylo Nephrology · Chicago, IL	56	137
Eduardo Cremer Nephrology · Chicago, IL	52	166
MUNI, HARESH	48	126
FRESENIUS MEDICAL CARE CHICAGOLAND, LLC	40	660
City Of Chicago Ambulance Service Provider · Chicago, IL	37	87
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	33	117
NORTHWESTERN MEMORIAL HEALTHCARE	26	140
William Sanders Pulmonary Disease · Chicago, IL	24	77
CHAWLA, KAMAL	23	57
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	21	71
FRESENIUS MEDICAL CARE LOGAN SQUARE, LLC	21	79

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