PROVIDER PROFILE · NPI 1104899798

John ZandtM.D.

Internal MedicineWaukesha, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

224

Unique beneficiaries

—

Total services

420

Distinct HCPCS

Medicare payment

$28K

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

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

21.8%

Top prescribed drugs

Pantoprazole Sodium31 claims

Apixaban12 claims

Losartan Potassium12 claims

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 520051

Hospital

REFERRAL NETWORK

Where John Zandt'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). 41 inbound referrers · 98 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL, INC.	147	338
David Roelke Diagnostic Radiology · Waukesha, WI	65	133
Viraj Dudhwala Internal Medicine · Waukesha, WI	48	80
Gregory Kass Diagnostic Radiology · Waukesha, WI	43	84
Timothy Westlake Emergency Medicine · Oconomowoc, WI	41	73
Jennifer Bergin Diagnostic Radiology · Waukesha, WI	40	72
Matthew Weinberg Cardiology · Waukesha, WI	36	79
Yekaterina Kuzmenko Nephrology · Maplewood, MN	35	76
Allen Chu Internal Medicine · Durham, NC	34	39
Paul Fox Diagnostic Radiology · Waukesha, WI	26	54
Timothy Mcavoy Internal Medicine · Waukesha, WI	26	38
Kathleen Klaas Diagnostic Radiology · Waukesha, WI	25	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROHEALTH WAUKESHA MEMORIAL HOSPITAL, INC.	201	476
PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL, INC.	190	407
Viraj Dudhwala Internal Medicine · Waukesha, WI	62	95
James Erickson Emergency Medicine · Milwaukee, WI	60	92
Allen Chu Internal Medicine · Durham, NC	56	89
Thomas Dietrich Emergency Medicine · Milwaukee, WI	55	102
Paul Fox Diagnostic Radiology · Waukesha, WI	53	95
Erik Olson Diagnostic Radiology · Waukesha, WI	53	82
Timothy Westlake Emergency Medicine · Oconomowoc, WI	53	88
David Sadler Emergency Medicine · Milwaukee, WI	53	83
HOLLISTER, MARK	47	75
Kathleen Klaas Diagnostic Radiology · Waukesha, WI	45	69

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