What is Mary Zaky's specialty?

Mary Zaky (NPI 1265437610) is a Medicare-billing provider whose primary specialty is Internal Medicine in La Crosse, WI.

Where does Mary Zaky practice?

Mary Zaky practices in La Crosse, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1265437610.

How much does Medicare pay Mary Zaky?

Mary Zaky (NPI 1265437610) received approximately $27K in total Medicare Part B payments, serving 220 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1265437610

Mary ZakyMD

PRACTICEGUNDERSEN CLINIC LTDSee all providers at this practice →

Internal MedicineLa Crosse, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

328

Unique beneficiaries

—

Total services

372

Distinct HCPCS

Medicare payment

$23K

Peer benchmark

Total Medicare services vs. 1,244 Internal Medicine providers in WI — below median (cohort median 578).

PRESCRIBING · PART D · 2024

Total Rx claims

7,750

Beneficiaries

—

Total drug cost

$520K

Distinct drugs

132

Brand share

23.3%

Top prescribed drugs

Atorvastatin Calcium455 claims

Amlodipine Besylate344 claims

Omeprazole337 claims

Levothyroxine Sodium295 claims

Lisinopril290 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 527336

Home health agency

CCN 521572

Hospice

CCN 520087

Hospital

REFERRAL NETWORK

Where Mary Zaky'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). 2 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GUNDERSEN LUTHERAN MEDICAL CENTER INC	124	1,256
MANSKE, BRIAN	11	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
GUNDERSEN LUTHERAN MEDICAL CENTER INC	168	2,077
Paul Stanton Diagnostic Radiology · La Crosse, WI	16	41
Roxana Leinbach Diagnostic Radiology · Saint Paul, MN	15	49
MANSKE, BRIAN	15	28
Ewa Plagman Diagnostic Radiology · La Crosse, WI	14	60
Jody Riherd Diagnostic Radiology · La Crosse, WI	14	34
JOHNSON, GORDON	11	26

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