Male 81 years


Dr. John E Madsen, MD



Internal Medicine   -  Connecticut,  New London

 Overview

Dr. John E Madsen, MD works in New London, Connecticut is a specialist in Internal Medicine, Gastroenterology and graduated Joan Sanford I Weill Medical College Of Cornell University in 1968. Dr. Madsen is affiliated with Lawrence & Memorial Hospital and practicing for 55 years

 Specialties

  • Internal Medicine
  • Gastroenterology

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Removal
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
  ...
• Endophthalmitis
• Esophageal Achalasia and Cardiospasm
• Ethmoidectomy (Sinus Surgery)
• Exercise Management
• Guar Gum Allergy
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Lens Disorders
• Lower Back Injuries
• Maxillary and Malar Fractures
• Minimally Invasive Resection of Mediastinal Tumor
• Neuropathic Diseases and Disorders
• Optic Ataxia
• Orbital Fracture
• Orbital Lymphoma
• Panic Disorder With Agorapobia
• Polycystic Ovarian Syndrome
• Primary Progressive Multiple Sclerosis
• Pterygium
• Radical Retropubic Prostate Removal
• Radiesse® Injections
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Throat Culture
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• Tonsillitis
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Abdominal Pain
• Anemia
• Anoscopy
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Biliary Atresia
• Cholecystitis and Gallstones
• Cirrhosis
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
  ...
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Diverticulum of Esophagus
• Duodenal Ulcer
• Duodenitis
• Dysentery
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Ulcer
• Esophageal Varices
• Esophagitis
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastroparesis
• Heartburn
• Hemochromatosis
• Hemorrhoids
• Hepatitis B - Immune Response
• Hepatitis C
• Ileus
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Lactose Intolerance
• Liver Biopsy
• Neoplasm of Gastrointestinal Tract
• Non-Neonatal Jaundice
• Pancreatitis
• Peptic Ulcer
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
• Vascular Insufficiency of Intestines
• Vomiting Disorders
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 55

 State License

  • Connecticut

 Spoken Languages

  • Spanish

 Education & Training

Medical School

Joan Sanford I Weill Medical College Of Cornell University

New York, NY, United States

Graduated: 1968

Residency Hospital

Northwestern University Med School

Chicago, IL, USA

Year completed: 1974

Fellowship Hospital

Yale University Med School

New Haven, CT, USA

Year completed: 1976

 Awards

1   ACP
2   AGA
3   ASGE

 Dr. Madsen Reviews

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 Office Locations


Primary location

 Coastal Digestive Diseases PC
234a Bank Street
Connecticut (CT)
New London
6320
 Phone:(860) 442-0290
Additional data:
Free Standing Surgery Center?    No
Office Volume:    110 patients per day
Performs Procedures On Site?    No

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Coastal Digestive Diseases PC, 234a Bank Street, New London, Connecticut (CT), 6320




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Community Health Network
  • Connecticare
  • Connecticare HMO
  • Connecticare POS
  • EmblemHealth
  • Freedom Plan
  • GHI PPO
  • Great West Healthcare-Cigna PPO
  • Harvard Pilgrim Health Care
  • Harvard Pilgrim Health Care PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Humana
  • Medicaid
  • Medicare
  • Medicare MCR
  • MultiPlan
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John E Madsen, MD are not present.

 Patients Questions

Patients questions for Dr. John E Madsen, MD are not present.

 Affiliated Hospitals


Lawrence & Memorial Hospital photo


Lawrence & Memorial Hospital

365 Montauk Avenue Connecticut CT, New London, 6320

Lawrence & Memorial Hospital is a District Authority owned hospital located in New London, CT. Procedures/Diagnosis costs are above the state average in 3 of 11 procedures. Length of Stay is at the state average in 6 of 11 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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