What is Cathy Zack's specialty?

Cathy Zack (NPI 1003828435) is a Medicare-billing provider whose primary specialty is Family Practice in East Hampton, CT.

Where does Cathy Zack practice?

Cathy Zack practices in East Hampton, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1003828435.

How much does Medicare pay Cathy Zack?

Cathy Zack (NPI 1003828435) received approximately $19K in total Medicare Part B payments, serving 125 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003828435

Cathy ZackMD

Family PracticeEast Hampton, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

107

Unique beneficiaries

—

Total services

110

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 532 Family Practice providers in CT — bottom quintile (cohort median 538).

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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 070020

Hospital

REFERRAL NETWORK

Where Cathy Zack'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). 32 inbound referrers · 73 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Stephen Franklin Cardiology · Middletown, CT	51	65
Adam Elias Diagnostic Radiology · Bedford, NH	45	59
Ravi Jain Diagnostic Radiology · Middletown, CT	39	49
Bruce Kovalenko Interventional Radiology · Bridgeport, CT	34	39
Robert Wolek Diagnostic Radiology · Middletown, CT	32	41
Michael Crain Diagnostic Radiology · Middletown, CT	29	37
Michael Johnson Diagnostic Radiology · Middletown, CT	29	45
Nancy Rini Diagnostic Radiology · Middletown, CT	28	31
MIDDLESEX HOSPITAL	23	26
Jeffrey Takahashi Diagnostic Radiology · Middletown, CT	22	34
Debmalya Mukherjee Internal Medicine · Boston, MA	22	29
Julie Lee Diagnostic Radiology · Lynnwood, WA	20	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MIDDLESEX HOSPITAL	185	357
Hunter's Ambulance Service, Inc. Ambulance Service Provider · Meriden, CT	162	273
Stephen Franklin Cardiology · Middletown, CT	65	78
Adam Elias Diagnostic Radiology · Bedford, NH	57	76
Michael Crain Diagnostic Radiology · Middletown, CT	55	77
Zaixiang Zhang Diagnostic Radiology · Middletown, CT	50	59
Subramanian Krishnan Cardiology · Middletown, CT	48	64
Joseph Corning Cardiology · Middletown, CT	46	65
Mojca Lorbar Cardiology · Middletown, CT	44	67
Ravi Jain Diagnostic Radiology · Middletown, CT	44	66
Bruce Kovalenko Interventional Radiology · Bridgeport, CT	41	59
Michael Johnson Diagnostic Radiology · Middletown, CT	40	47

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