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Dr. David Giammar, MD

Dr. David Giammar, MD

Age 49 Colorectal Surgery M
(43) 43 reviews

Telehealth available

Accepting New Patients


Dr. David Giammar, MD is a colorectal surgery specialist in Westerville, OH. Dr. Giammar completed a residency at Grant Med Center. He currently practices at Westerville Surgical Specs and is affiliated with Mary Rutan Hospital. He accepts multiple insurance plans, including Medicare. Dr. Giammar is board certified in Colon & Rectal Surgery.


  • Grant Med Center, Residency Hospital
  • Riverside Methodist Hospital, Residency Hospital
  • Northeastern Ohio Universities College Of Medicine, Medical School — 1996

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Buckeye Community Health Plan
  • CareFirst Blue Cross Blue Shield
  • CareSource
  • ChoiceCare Network
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Health Span
  • HealthSmart
  • Humana
  • Medicaid
  • Medical Mutual of Ohio
  • Medicare
  • Molina Healthcare
  • MultiPlan
  • Paramount
  • Tricare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

Compare with other Colorectal Surgery Specialists
Compare Dr. Giammar with our nearby Colorectal Surgery Specialists at Cleveland Clinic
These providers are on the medical staff of Cleveland Clinic
These providers are on the medical staff of Cleveland Clinic.


  1. Westerville Surgical Specs

    1. 1
      Westerville Surgical Specalists
      477 Cooper Rd Ste 440, Westerville, OH 43081 Existing Patients: (380) 898-5561

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Gallbladder removal. Wonderful surgeon, no problems, thank you sir!
— Jan 02, 2021
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Photo: Dr. David Giammar, MD
Dr. David Giammar, MD
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Frequently Asked Questions

Dr. Giammar frequently treats Appendectomy, Laparoscopic, Intestinal Obstruction, and Constipation.  

Find contact information here to make an appointment.

Hospital Affiliations

  • Mary Rutan Hospital
  • Mount Carmel East
  • Mount Carmel St. Ann's
  • OhioHealth Grant Medical Center
  • Riverside Methodist Hospital