Doctor profile · Federal record

Dr. William Shi, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Madison, WI

  • NPI 1851920599
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 S Park St
Madison, WI 537151830
(608) 251-6100
fax (608) 258-6259

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
August 2, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Wisconsin #77588-20 · Wisconsin #77588
Medicaid
WI #1851920599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851920599. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
4
Medicare allowed
$24,017
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99 36 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 80 30 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $163
99239 Hospital discharge day management, more than 30 minutes 25 24 $107

In context: peer comparison

Among 67 peers in Madison Hospitalist Physician, average services per provider: 90. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
0
Total drug cost
$7,608
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 26 0 $7,608

Frequently asked questions

Auto-generated from federal data
What is Dr. William Shi's medical specialty?
Dr. William Shi practices Hospitalist Physician in Madison, WI.
Where does Dr. William Shi practice?
Dr. William Shi practices at 700 S Park St, Madison, WI 537151830. Office phone: 6082516100.
What is Dr. William Shi's NPI?
Dr. William Shi's National Provider Identifier (NPI) is 1851920599, issued by NPPES.
Does Dr. William Shi accept Medicare assignment?
Yes. Dr. William Shi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Shi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.