Doctor profile · Federal record

Dr. JOHN ZANDT, M.D.

Hospitalist Physician (CMS: INTERNAL MEDICINE) · Internal Medicine Physician · WAUKESHA, WI

  • NPI 1104899798
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
WAUKESHA MEMORIAL HOSPITAL-HOSPITALIST PROGRAM, 725 AMERICAN AVENUE ROOM 2036
WAUKESHA, WI 53188
(262) 928-1000
fax (262) 928-6140
Mailing address
N17 W24100 RIVERWOOD DRIVE SUITE 250, PROHEALTH CARE MEDICAL ASSOCIATES INC.
WAUKESHA, WI 531881177

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 9, 2011
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Wisconsin #31971-020 · Wisconsin #31971
Medicaid
WI #31703600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104899798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
521
Distinct HCPCS
4
Medicare allowed
$46,545
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 370 128 $76
99239 Hospital discharge day management, more than 30 minutes 74 72 $109
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 32 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 33 32 $166

In context: peer comparison

Among 6 peers in this city , average services per provider: 142. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
51
Total drug cost
$6,079
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 21 20 $181
Amlodipine Besylate Generic 20 20 $70
Carvedilol Generic 12 0 $56
Eliquis (Apixaban) Brand 11 0 $5,717
Prednisone Generic 11 11 $54

Hospital affiliations

CMS Hospital Compare