What is Katherine Ma's specialty?

Katherine Ma (NPI 1992063382) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Cortlandt Manor, NY.

Where does Katherine Ma practice?

Katherine Ma practices in Cortlandt Manor, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1992063382.

How much does Medicare pay Katherine Ma?

Katherine Ma (NPI 1992063382) received approximately $129K in total Medicare Part B payments, serving 406 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992063382

Katherine MaMD

Orthopedic SurgeryCortlandt Manor, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

627

Unique beneficiaries

—

Total services

4,257

Distinct HCPCS

Medicare payment

$78K

Peer benchmark

Total Medicare services vs. 1,320 Orthopedic Surgery providers in NY — top quintile (cohort median 1,129).

PRESCRIBING · PART D · 2024

Total Rx claims

134

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Meloxicam80 claims

Diclofenac Sodium41 claims

Ketorolac Tromethamine13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3K

Travel and Lodging$1K

Food and Beverage$544

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3K

Travel and Lodging$1K

Food and Beverage$544

REFERRAL NETWORK

Where Katherine Ma'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Chen Diagnostic Radiology · Mount Kisco, NY	49	122
BERGER, SCOTT	38	75
Daniel Solomon Diagnostic Radiology · Cortlandt Manor, NY	33	124
Paul Kim Diagnostic Radiology · Cortlandt Manor, NY	29	89
Lee Papell Diagnostic Radiology · Mount Kisco, NY	22	45
SUMERS, ELLIOTT	22	72
Daniel Brodoff Diagnostic Radiology · Mount Kisco, NY	19	36
Sandra Santiago Diagnostic Radiology · Mount Kisco, NY	19	34
WALD, LEONARD	15	45
Douglas Mailly Emergency Medicine · Cortlandt Manor, NY	14	30
Jennifer Menell Diagnostic Radiology · Mt. Kisco, NY	13	24
Evan Cohen Emergency Medicine · Camden, NJ	11	16

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