Doctor profile · Federal record

Dr. ALAN CHRISTENSEN, MD

Surgery Physician (CMS: GENERAL SURGERY) · WATERTOWN, SD

  • NPI 1023097565
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 4TH ST NW
WATERTOWN, SD 572011558
(605) 886-8471
fax (605) 886-9317
Mailing address
PO BOX 5074
SIOUX FALLS, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
April 4, 2022
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
South Dakota #5603
Medicaid
SD #7302030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023097565. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
424
Distinct HCPCS
10
Medicare allowed
$47,484
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 76 76 $5
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 70 70 $84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 68 68 $238
45380 Biopsy of large bowel using a flexible endoscope 42 42 $136
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $108
99212 Established patient office or other outpatient visit, 10-19 minutes 31 22 $56
99213 Established patient office or other outpatient visit, 20-29 minutes 30 25 $89
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 28 28 $175
99214 Established patient office or other outpatient visit, 30-39 minutes 21 20 $121
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 19 19 $175

In context: peer comparison

Among 4 peers in this city , average services per provider: 31. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
722
Patients
240
Total drug cost
$15,697
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 332 114 $7,279
Famotidine Generic 210 62 $2,667
Omeprazole Generic 70 16 $1,013
Sucralfate Generic 67 18 $3,624
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 19 $175
Cholestyramine (Cholestyramine (With Sugar)) Brand 11 0 $903
Tramadol Hcl Generic 11 11 $36

Hospital affiliations

CMS Hospital Compare