What is Katherine Mark's specialty?

Katherine Mark (NPI 1790949170) is a Medicare-billing provider whose primary specialty is Geriatric Medicine in New York, NY.

Where does Katherine Mark practice?

Katherine Mark practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1790949170.

How much does Medicare pay Katherine Mark?

Katherine Mark (NPI 1790949170) received approximately $44K in total Medicare Part B payments, serving 102 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790949170

Katherine MarkMD

PRACTICEMOUNT SINAISee all providers at this practice →

Geriatric MedicineNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

270

Unique beneficiaries

—

Total services

435

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

Total Medicare services vs. 191 Geriatric Medicine providers in NY — below median (cohort median 522).

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 · 2025

Total received

$33

Payment records

By payment type

Food and Beverage$33

Top paying entities

Food and Beverage$33

REFERRAL NETWORK

Where Katherine Mark'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST LUKES ROOSEVELT HOSPITAL CENTER	364	1,526
TRANSCARE NEW YORK, INC.	84	272
David Frager Diagnostic Radiology · New York, NY	68	358
New York City Health And Hospitals Corporation Ambulance Service Provider · Brooklyn, NY	54	167
Sherman Lipschitz Diagnostic Radiology · New York, NY	51	181
Angela Palazzo Cardiology · New York, NY	51	214
HILFER, CAROL	49	161
Bette Kim Cardiology · New York, NY	47	154
HERZOG, EYAL	40	260
Bruce Saffran Internal Medicine · Columbus, NJ	36	183
Peerapod Chiowanich Diagnostic Radiology · Eden Prairie, MN	31	90
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	28	82

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