Dr. Alexander K. Larson, MD
Gastroenterology (Gastroenterology Physician)
- Medicare participating
At a glance
- Years since graduation
- 16
- In the NPI registry since
- 2010
- Medicare patients seen, 2024
- 363
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2010Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Gastroenterology Physician primary
WI license 66867-20
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ssm Health St Mary's Hospital - Madison Madison, WI
- Ssm Health St Clare Hospital - Baraboo Baraboo, WI
- Fort Memorial Hospital Fort Atkinson, WI
- Stoughton Hospital Stoughton, WI
Medical groups
- Dean Health Systems Inc (1,159 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 363
- Services billed
- 2,574
- Patients’ average age
- 72
| Service | Times | Patients |
|---|---|---|
| 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 | 117 | 116 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 97 | 96 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 52 | 31 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 49 | 49 |
| Insertion of needle into vein for collection of blood sample | 33 | 23 |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 29 | 26 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 25 | 25 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 |
| Biopsy of large bowel using a flexible endoscope | 24 | 24 |
| Incision of pancreatic outlet using a flexible endoscope | 21 | 21 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Gavilyte-C (peg3350/sod sulf,bicarb,cl/kcl) Other prescribers in Madison, WI | 261 |
| Pantoprazole Sodium Other prescribers in Madison, WI | 55 |
| Omeprazole Other prescribers in Madison, WI | 37 |
| Linzess (linaclotide) Other prescribers in Madison, WI | 32 |
| Gavilyte-G (peg3350/sod sulf,bicarb,cl/kcl) Other prescribers in Madison, WI | 23 |
| Metoclopramide Hcl Other prescribers in Madison, WI | 22 |
| Famotidine Other prescribers in Madison, WI | 21 |
| Colestipol Hcl Other prescribers in Madison, WI | 21 |
| Ciprofloxacin Hcl Other prescribers in Madison, WI | 18 |
| Cholestyramine (cholestyramine (with sugar)) Other prescribers in Madison, WI | 12 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.