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Appointments and Referrals

The Colon and Rectal Surgery team coordinates care through our centrally located hub at Dartmouth-Hitchcock Medical Center (DHMC) in Lebanon, NH, and through the Dartmouth-Hitchcock regional location in Manchester, NH.

Referring physicians

To refer a patient for consultation to the Colon and Rectal Surgery team, contact the DHMC Physician Connection Center. You also may contact us at one of our locations directly.

New patients

In most cases, you will be referred to our team by another care provider, but you can also call us directly for an appointment.

Some health insurance policies require that you have a referral from your primary care provider (PCP) to make an appointment. Please review your health insurance coverage before calling for an appointment.

Manchester patients

  • Some minor procedures (such as biopsies, excisions, and flexible sigmoidoscopies) are done in our office. The majority of all other surgeries are performed at Elliot Health System 1-Day Surgery or Elliot Hospital.
  • For patients of Dr. Jeffrey Harnsberger, please download and fill out the Surgery Patient Information Form (PDF) prior to your appointment. Bring it with you to your visit.

Returning patients

If you are a returning patient, you may use myD-H to communicate securely with your providers, request or change appointments, review your medical record and more.


  • Lebanon: Monday through Friday, 8:00 am to 5:00 pm. If you need to speak with someone after 5:00 pm or on weekends, call (603) 650-5000 and ask the operator to page the general surgeon on call.
  • Manchester: Monday through Friday, 8:00 am to 5:00 pm

Location and contact information


Colon and Rectal Surgery
Phone: (603) 650-8113
Fax: (603) 650-8030
Location: DHMC, General Surgery Clinic 4L, Level 4 (PDF)
Address: Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03766


General Surgery Department
Phone: (603) 695-2840
Fax: (603) 640-1926
Location: Level 2 in the West Wing of Dartmouth-Hitchcock Manchester
Address: 100 Hitchcock Way, Manchester, NH 03104