What is Mark Lieb's specialty?

Mark Lieb (NPI 1619921749) is a Medicare-billing provider whose primary specialty is Cardiology in Mount Kisco, NY.

Where does Mark Lieb practice?

Mark Lieb practices in Mount Kisco, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1619921749.

How much does Medicare pay Mark Lieb?

Mark Lieb (NPI 1619921749) received approximately $264K in total Medicare Part B payments, serving 1,155 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619921749

Mark LiebMD

CardiologyMount Kisco, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,325

Unique beneficiaries

—

Total services

5,145

Distinct HCPCS

Medicare payment

$261K

Peer benchmark

Total Medicare services vs. 1,949 Cardiology providers in NY — top quintile (cohort median 2,081).

PRESCRIBING · PART D · 2024

Total Rx claims

9,126

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

20.0%

Top prescribed drugs

Atorvastatin Calcium1,183 claims

Metoprolol Succinate811 claims

Apixaban736 claims

Rosuvastatin Calcium698 claims

Amlodipine Besylate588 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Lieb'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). 49 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
George Berk Cardiology · Yorktown Heights, NY	135	425
Robert Pilchik Cardiology · Ny, NY	43	81
Peter Khouri Diagnostic Radiology · Mount Kisco, NY	43	98
Steven Margulis Internal Medicine · Mount Kisco, NY	35	134
Scott Klares Pulmonary Disease · Mount Kisco, NY	34	117
Steven Kroop Diagnostic Radiology · Sleepy Hollow, NY	34	78
Tara Shapiro Family Practice · Bronx, NY	32	73
BERGER, SCOTT	31	50
Alphonse Aversa Internal Medicine · Mount Kisco, NY	31	164
Carlos Forcade Diagnostic Radiology · Mount Kisco, NY	30	75
Kim Ruska Pathology · Mount Kisco, NY	29	43
John Chen Diagnostic Radiology · Mount Kisco, NY	29	42

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