What is Mark Sonnenschine's specialty?

Mark Sonnenschine (NPI 1922291939) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Brooklyn, NY.

Where does Mark Sonnenschine practice?

Mark Sonnenschine practices in Brooklyn, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1922291939.

How much does Medicare pay Mark Sonnenschine?

Mark Sonnenschine (NPI 1922291939) received approximately $306K in total Medicare Part B payments, serving 420 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922291939

Mark SonnenschineD.O.

PRACTICEPROGRESSIVE HEMATOLOGY AND ONCOLOGY PLLCSee all providers at this practice →

Hematology-OncologyBrooklyn, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

791

Unique beneficiaries

—

Total services

53,499

Distinct HCPCS

Medicare payment

$177K

Peer benchmark

Total Medicare services vs. 628 Hematology-Oncology providers in NY — top quintile (cohort median 883).

PRESCRIBING · PART D · 2024

Total Rx claims

610

Beneficiaries

—

Total drug cost

$523K

Distinct drugs

Brand share

29.8%

Top prescribed drugs

Epoetin Alfa39 claims

Mupirocin35 claims

Gabapentin33 claims

Oxycodone Hcl25 claims

Lanreotide Acetate25 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$190

Long term medical supply or device loan$83

Top paying entities

Food and Beverage$2K

Education$190

Long term medical supply or device loan$83

REFERRAL NETWORK

Where Mark Sonnenschine'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAIMONIDES MEDICAL CENTER	93	216
NEW YORK CITY HEALTH AND HOSPITALS CORPORATION	48	176
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	47	379
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	41	70
NPI 1467523498	25	64
Maryanne Ruggiero-Delliturri Diagnostic Radiology · Brooklyn, NY	24	38
Howard Finestone Diagnostic Radiology · Brooklyn, NY	21	66
Robert Husney Infectious Disease · Brooklyn, NY	21	320
MIDWOOD AMBULANCE & OXYGEN SERVICE INC	19	109
Anna Derman Diagnostic Radiology · Brooklyn, NY	16	22
Inna Shyknevsky Diagnostic Radiology · New York, NY	16	30
Donald Blair Diagnostic Radiology · Brooklyn, NY	16	24

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