Doctor profile · Federal record

Dr. Douglas Nelson, MD

Gastroenterology Physician (CMS: Gastroenterology) · Saint Paul, MN

  • NPI 1124123732
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2550 University Ave W, Suite 423 South
Saint Paul, MN 551141052
(612) 871-1145
fax (612) 870-5491
Mailing address
Po Box 14909
Minneapolis, MN 554140909

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 12, 2011
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Minnesota #32711

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124123732. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
148
Distinct HCPCS
5
Medicare allowed
$13,111
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 71 35 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 30 29 $86
45380 Biopsy of large bowel using a flexible endoscope 21 21 $138
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $162
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 12 12 $237

In context: peer comparison

Among 20 peers in Saint Paul Gastroenterology Physician, average services per provider: 172. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
136
Patients
38
Total drug cost
$20,549
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 55 23 $1,106
Omeprazole Generic 38 15 $1,243
Balsalazide Disodium Generic 15 0 $3,243
Linzess (Linaclotide) Brand 15 0 $13,868
Budesonide Dr (Budesonide) Brand 13 0 $1,090

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Nelson's medical specialty?
Dr. Douglas Nelson practices Gastroenterology Physician in Saint Paul, MN.
Where does Dr. Douglas Nelson practice?
Dr. Douglas Nelson practices at 2550 University Ave W, Saint Paul, MN 551141052. Office phone: 6128711145.
What is Dr. Douglas Nelson's NPI?
Dr. Douglas Nelson's National Provider Identifier (NPI) is 1124123732, issued by NPPES.
Does Dr. Douglas Nelson accept Medicare assignment?
Yes. Dr. Douglas Nelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Nelson commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.