Doctor profile · Federal record

Dr. Zach McCallips, MD

Hospitalist Physician (CMS: Hospitalist) · Grafton, WI

  • NPI 1811575558
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
975 Port Washington RD
Grafton, WI 530249201
(262) 329-1000
Additional location
8701 W Watertown Plank RD
Milwaukee, WI 532263548
(414) 955-0531
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
July 22, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Wisconsin #81210-20
Medicaid
WI #100222179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811575558. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $15.79

By nature of payment

Food and Beverage
$16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zach McCallips's medical specialty?
Dr. Zach McCallips practices Hospitalist Physician in Grafton, WI.
Where does Dr. Zach McCallips practice?
Dr. Zach McCallips practices at 975 Port Washington RD, Grafton, WI 530249201. Office phone: 2623291000.
What is Dr. Zach McCallips's NPI?
Dr. Zach McCallips's National Provider Identifier (NPI) is 1811575558, issued by NPPES.
Does Dr. Zach McCallips accept Medicare assignment?
Yes. Dr. Zach McCallips accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.