Dr. Eric H. Twerdahl
Dr. Eric H. Twerdahl
Last updated: May 28, 2026

Dr. Eric H. Twerdahl

  • Gender: Male
  • Sole propriator: No
  • NPI: 1093035461

Dr. Eric H. Twerdahl M.D.

Surgeon

He is located at 1 Medical Center Drive in Lebanon, NH 03756. Can help patients with the following: Anal Fissure, Appendicitis, Cancer, Diverticulosis, Pilonidal Cyst, Sebaceous Cyst. His National Provider Identifier (NPI) number is 1093035461. Appointment can be made via the phone number (603) 650-5000.

Conditions treated

Dr. Eric H. Twerdahl, being an surgeon, 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. Eric H. Twerdahl.

  • Achalasia
  • Anal Fissure
  • Appendicitis
  • Boils
  • Cancer
  • Colon Cancer
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Pancreatitis
  • Peptic Ulcer
  • Pilonidal Cyst
  • Sebaceous Cyst
  • Ulcerative Colitis

Medicare Enrollment

Dr. Eric H. Twerdahl is enrolled to bill Medicare as a Practitioner - Vascular Surgery .

Bills through: University Of Virginia Physicians Group

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

W. L. Gore \u0026 Associates $296
Endologix $42
Medtronic $34

Other

Food and Beverage $401
Travel and Lodging $17

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Questions & Answers

What conditions does Dr. Eric H. Twerdahl treat?

Dr. Eric H. Twerdahl provides treatment for Anal Fissure, Appendicitis, Cancer, Diverticulosis, Pilonidal Cyst, Sebaceous Cyst. For the full list see this list.

Does Dr. Eric H. Twerdahl accept insurance?

Unfortunately we don't have any information if Dr. Eric H. Twerdahl accepts insurance.

Where can you meet with Dr. Eric H. Twerdahl?

Dr. Eric H. Twerdahl's office is located at 1 Medical Center Drive in Lebanon, NH 03756.