Doctor profile · Federal record

Dr. Obinna Nwadibia, M.D

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

  • NPI 1790940658
  • Accepts Medicare
  • 27 yrs in practice
  • Licensed in 2 states
  • 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
July 2008 — 18 yrs on file
Profile last updated
March 29, 2023
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
South Dakota #8070 · Missouri #2008014585

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790940658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
790
Distinct HCPCS
6
Medicare allowed
$64,931
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 549 174 $75
99239 Hospital discharge day management, more than 30 minutes 98 96 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 74 25 $45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 30 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $166
99284 Emergency department visit with moderate level of medical decision making 11 11 $113

In context: peer comparison

Among 27 peers in this city , average services per provider: 127. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
345
Patients
204
Total drug cost
$7,423
Drug Type Claims Patients Total cost
Cephalexin Generic 54 53 $430
Prednisone Generic 32 29 $75
Omeprazole Generic 26 0 $266
Tramadol Hcl Generic 25 23 $57
Levothyroxine Sodium Generic 24 0 $528
Azithromycin Generic 23 23 $199
Tamsulosin Hcl Generic 23 0 $182
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 22 $82
Ondansetron Odt (Ondansetron) Brand 22 21 $636
Cyclobenzaprine Hcl Generic 20 20 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Obinna Nwadibia's medical specialty?
Dr. Obinna Nwadibia practices Hospitalist Physician in Sioux Falls, SD.
Where does Dr. Obinna Nwadibia practice?
Dr. Obinna Nwadibia practices at 1305 W 18Th St, Sioux Falls, SD 57105. Office phone: 6053284973.
What is Dr. Obinna Nwadibia's NPI?
Dr. Obinna Nwadibia's National Provider Identifier (NPI) is 1790940658, issued by NPPES.
Does Dr. Obinna Nwadibia accept Medicare assignment?
Yes. Dr. Obinna Nwadibia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Obinna Nwadibia commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.