Doctor profile · Federal record

Dr. STEPHEN LUDDINGTON, MD

Internal Medicine Physician (CMS: HOSPITALIST) · SIOUX FALLS, SD

  • NPI 1265995609
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 S CLIFF AVE
SIOUX FALLS, SD 571051007
(605) 322-7645
fax (605) 322-8414

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
September 4, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Dakota #13585

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265995609. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
978
Distinct HCPCS
8
Medicare allowed
$90,930
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 477 159 $114
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 199 188 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 127 124 $166
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 65 31 $75
99238 Hospital discharge day management, 30 minutes or less 54 54 $77
99239 Hospital discharge day management, more than 30 minutes 22 22 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $124
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 16 15 $29

In context: peer comparison

Among 33 peers in this city , average services per provider: 142. This provider delivers 6.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$70
Drug Type Claims Patients Total cost
Lisinopril Generic 12 0 $70

Hospital affiliations

CMS Hospital Compare