What is Maria Lief's specialty?

Maria Lief (NPI 1922184100) is a Medicare-billing provider whose primary specialty is Internal Medicine in Bronx, NY.

Where does Maria Lief practice?

Maria Lief practices in Bronx, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1922184100.

How much does Medicare pay Maria Lief?

Maria Lief (NPI 1922184100) received approximately $272K in total Medicare Part B payments, serving 534 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922184100

Maria LiefM.D.

Internal MedicineBronx, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

764

Unique beneficiaries

—

Total services

3,937

Distinct HCPCS

Medicare payment

$271K

Peer benchmark

Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Maria Lief'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CALVARY HOSPITAL INC	319	655
Sreenivasa Patibandla Internal Medicine · Bronx, NY	134	340
JAITLY, DEVMANI	130	334
Alma Carrington Internal Medicine · Bronx, NY	126	362
NPI 1194754416	109	269
MILLER, VERA	97	387
Irina Makarevich Internal Medicine · Brooklyn, NY	84	482
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	64	181
Anton Rostovsky Internal Medicine · New York, NY	62	209
Nikolay Tarkhanov Family Practice · Staten Island, NY	52	120
Ali Khusseyn Internal Medicine · Brooklyn, NY	48	96
Osias Diaz Emergency Medicine · Brooklyn, NY	42	100

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