Doctor profile · Federal record

Dr. John Simonson, M.D.

Hospitalist Physician (CMS: Hospitalist) · Sioux Falls, SD

  • NPI 1598184921
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1305 W 18Th St
Sioux Falls, SD 57105
(605) 328-4973
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
August 3, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
South Dakota #0184

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598184921. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
929
Distinct HCPCS
6
Medicare allowed
$84,439
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 615 192 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 85 83 $124
99239 Hospital discharge day management, more than 30 minutes 72 72 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 65 65 $167
99238 Hospital discharge day management, 30 minutes or less 64 64 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 25 $113

In context: peer comparison

Among 27 peers in Sioux Falls Hospitalist Physician, average services per provider: 127. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
13
Total drug cost
$151
Drug Type Claims Patients Total cost
Prednisone Generic 13 13 $71
Tamsulosin Hcl Generic 12 0 $81

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Simonson's medical specialty?
Dr. John Simonson practices Hospitalist Physician in Sioux Falls, SD.
Where does Dr. John Simonson practice?
Dr. John Simonson practices at 1305 W 18Th St, Sioux Falls, SD 57105. Office phone: 6053284973.
What is Dr. John Simonson's NPI?
Dr. John Simonson's National Provider Identifier (NPI) is 1598184921, issued by NPPES.
Does Dr. John Simonson accept Medicare assignment?
Yes. Dr. John Simonson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Simonson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.