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Edit this profileAt a glance
- 2550 University Ave W, Suite 423 South, Saint Paul, MN 55114
About Dr. Nelson
Douglas B. Nelson, MD is a healthcare provider in Saint Paul, MN specializing in gastroenterology. Douglas trained at University of Minnesota Medical School, graduating in 1987. According to Medicare claims data, Douglas cared for 128 Medicare patients across 170 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, biopsy of large bowel using a flexible endoscope, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1124123732.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (612) 871-1145
- Email not available
Practice Locations
2550 UNIVERSITY AVE W SUITE 423 SOUTH
Saint Paul, MN 55114
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
170 services · 128 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
21 | Less often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
16 | Less often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
16 | Less often than most peers in Gastroenterology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
85 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Saint Paul 4
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at University of Minnesota Medical School 6
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in MN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nelson?
Dr. Nelson is a gastroenterologist in Saint Paul, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Dr. Nelson's address?
Dr. Nelson is listed at 2550 University Ave W Suite 423 South, Saint Paul, MN 55114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nelson?
The number on file is (612) 871-1145. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Nelson's NPI number?
Dr. Nelson's National Provider Identifier is 1124123732. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nelson train?
Dr. Nelson attended University of Minnesota Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nelson been practicing?
Dr. Nelson has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nelson perform?
According to Medicare billing data, Dr. Nelson performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Nelson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nelson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.