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
- Primary practice
-
1325 S Cliff Ave
Sioux Falls, SD 571051007
(605) 322-7645
fax (605) 322-8414
Credentials & registration
- 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
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
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 Sioux Falls Internal Medicine Physician, average services per provider: 142. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$70
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 12 | 0 | $70 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Luddington's medical specialty?
Dr. Stephen Luddington practices Internal Medicine Physician in Sioux Falls, SD.
Where does Dr. Stephen Luddington practice?
Dr. Stephen Luddington practices at 1325 S Cliff Ave, Sioux Falls, SD 571051007. Office phone: 6053227645.
What is Dr. Stephen Luddington's NPI?
Dr. Stephen Luddington's National Provider Identifier (NPI) is 1265995609, issued by NPPES.
Does Dr. Stephen Luddington accept Medicare assignment?
Yes. Dr. Stephen Luddington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Luddington commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.