Dr. Alexander K. Larson
Dr. Alexander K. Larson

Dr. Alexander K. Larson

  • Gender: Male
  • Experience: 11 years
  • Graduation year: 2010
  • Sole propriator: No
  • NPI: 1124349337

Dr. Alexander K. Larson MD

Gastroenterologist

He is located at 700 South Park Street in Madison, WI 53715. Can help patients with the following: Barrett's Esophagus, Esophagitis, Gastroesophageal Reflux Disease (GERD), Hepatitis C (HCV), Osteoporosis, Peptic Ulcer. His National Provider Identifier (NPI) number is 1124349337. Appointment can be made via the phone number (608) 260-2900. He is affiliated with 1 practices and 3 hospitals.

Conditions treated

Dr. Alexander K. Larson, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Alexander K. Larson.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Ascites
  • Asthma
  • Atherosclerosis
  • Autoimmune Hepatitis
  • Bad Breath
  • Barrett's Esophagus
  • Bladder Control
  • Bleeding Varices
  • Blood in Stool
  • Botulism
  • Cancer
  • Carcinoid Tumor
  • Celiac Disease
  • Chest Pain
  • Childhood Obesity
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cirrhosis
  • Clostridium Difficile Colitis
  • Colitis
  • Colonoscopy
  • Common Cold
  • Constipation
  • Crohn's Disease
  • Cystitis
  • Diarrhea
  • Diverticulosis
  • Edema
  • Eosinophilic Esophagitis
  • Esophagitis
  • Fatty Liver Disease
  • Feeding and Swallowing
  • Fever
  • Food Allergies
  • Gallbladder Pain
  • Gastric Bypass Surgery
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastroparesis
  • General Care
  • Headache
  • Heart Disease
  • Heartburn
  • Helicobacter Pylori Infection
  • Hemorrhoids
  • Hepatitis A (HAV)
  • Hepatitis B (HBV)
  • Hepatitis C (HCV)
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Indigestion
  • Inflammatory Bowel Disease (IBD)
  • Influenza
  • Inguinal Hernia
  • Internal Bleeding
  • Intussusception
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Leaky Gut Syndrome
  • Liver Disease
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Pancreas Divisum
  • Pancreatic Cancer
  • Pancreatic Cysts
  • Pancreatitis
  • Peptic Ulcer
  • Portal Hypertension
  • Prescription Refill
  • Primary Biliary Cirrhosis (PBC)
  • Primary Sclerosing Cholangitis (PSC)
  • Stomach Cancer
  • Swallowing Disorders
  • Ulcerative Colitis
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Alexander K. Larson

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Alexander K. Larson as in-network for the following 2026 plans.

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Mar 25, 2026, as reported by the insurer.

Show all 9 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Bronze Preferred/Broad HSA (+ Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients

Dean Health Plan

Network data as of Aug 13, 2026, as reported by the insurer.

Show all 18 plans from Dean Health Plan
Dean Health Plan plans
Plan Plan type Network tier New patients
Dean Bronze $0 Copay PCP Visits HMO · Expanded Bronze Preferred Accepting new patients
Dean Bronze Share HMO · Expanded Bronze Preferred Accepting new patients
Dean Expanded Bronze Standard HMO · Expanded Bronze Preferred Accepting new patients
Dean Focus Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Dean Focus Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Dean Focus Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Dean Focus Gold HSA EPO · Gold Preferred Accepting new patients
Dean Focus Gold Share EPO · Gold Preferred Accepting new patients
Dean Focus Gold Standard EPO · Gold Preferred Accepting new patients
Dean Focus Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Dean Focus Silver Share EPO · Silver Preferred Accepting new patients
Dean Focus Silver Standard EPO · Silver Preferred Accepting new patients
Dean Gold HSA HMO · Gold Preferred Accepting new patients
Dean Gold Share HMO · Gold Preferred Accepting new patients
Dean Gold Standard HMO · Gold Preferred Accepting new patients
Dean Silver $0 Copay PCP Visits HMO · Silver Preferred Accepting new patients
Dean Silver Share HMO · Silver Preferred Accepting new patients
Dean Silver Standard HMO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Alexander K. Larson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Alexander K. Larson is enrolled to bill Medicare as a Practitioner - Gastroenterology .

Bills through: Dean Health Systems Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Boston Scientific $32

Other

Food and Beverage $32

Studies

Graduated in 2010

Additional Specialities

  • Internist

Affiliated practices

SSM Health Sleep Center
2844 Index Road
Fitchburg, 53713 WI
(608) 229-7979

Affiliated hospitals

SSM HEALTH ST CLARE HOSPITAL - BARABOO
707 14TH ST
BARABOO, 53913 WI
(608) 356-1400
SSM HEALTH ST MARY'S HOSPITAL - MADISON
700 SOUTH PARK ST
MADISON, 53715 WI
(608) 251-6100
SSM HEALTH ST MARY'S HOSPITAL - JANESVILLE
3400 EAST RACINE STREET
JANESVILLE, 53546 WI
(608) 373-8000

Looking for more Gastroenterologists?

Out of the 19 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Jason R. Stangl
  • Gender: Male
  • Address: 20 South Park Street Madison, 53715, WI
Dr. Abigail M. Christiansen
  • Gender: Female
  • Address: 700 South Park Street Madison, 53715, WI
Dr. James E. Vandermeer
  • Gender: Male
  • Address: 1313 Fish Hatchery Road Madison, 53715, WI
Dr. Siobhan M. Byrne
  • Gender: Female
  • Address: 20 South Park Street Madison, 53715, WI
Dr. Naree K. Whang
  • Gender: Female
  • Address: 700 South Park Street Madison, 53715, WI
Dr. Susan M. Lepinski
  • Gender: Female
  • Address: 202 South Park Street Madison, 53715, WI
Dr. Daniel J. Smith
  • Gender: Male
  • Address: 20 South Park Street Madison, 53715, WI
Dr. Jason E. Gonzaga
  • Gender: Male
  • Address: 700 South Park Street Madison, 53715, WI
Dr. William M. Ehrhardt
  • Gender: Male
  • Address: 9145 Springbrook Drive Northwest Suite 200 Coon Rapids, 55433, MN
Dr. Sigurdur Einarsson
  • Gender: Male
  • Address: 700 South Park Street Madison, 53715, WI

Questions & Answers

What conditions does Dr. Alexander K. Larson treat?

Dr. Alexander K. Larson provides treatment for Barrett's Esophagus, Esophagitis, Gastroesophageal Reflux Disease (GERD), Hepatitis C (HCV), Osteoporosis, Peptic Ulcer. For the full list see this list.

Where can you meet with Dr. Alexander K. Larson?

Dr. Alexander K. Larson's office is located at 700 South Park Street in Madison, WI 53715.

Does Dr. Alexander K. Larson accept patients with Anthem Blue Cross and Blue Shield?

Yes, Dr. Alexander K. Larson is listed in-network for Anthem Blue Cross and Blue Shield through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Alexander K. Larson have affiliation with practices?

Dr. Alexander K. Larson is affiliated with SSM Health Sleep Center.

Has Dr. Alexander K. Larson affiliation with hospitals?

Dr. Alexander K. Larson is affiliated with SSM HEALTH ST CLARE HOSPITAL - BARABOO. For the full list of hospitals see this list.