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 Watertown Surgery Physician, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Christensen's medical specialty?
Dr. Alan Christensen practices Surgery Physician in Watertown, SD.
Where does Dr. Alan Christensen practice?
Dr. Alan Christensen practices at 901 4Th St Nw, Watertown, SD 572011558. Office phone: 6058868471.
What is Dr. Alan Christensen's NPI?
Dr. Alan Christensen's National Provider Identifier (NPI) is 1023097565, issued by NPPES.
Does Dr. Alan Christensen accept Medicare assignment?
Yes. Dr. Alan Christensen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Christensen commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.