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Dr. William Knapp, MD

Dr. William Knapp, MD

Age 74 Cardiology M
(12) 12 reviews

Telehealth available

Accepting New Patients


Dr. William Knapp, MD is a cardiology specialist in Atlanta, GA. He currently practices at Piedmont Hospital and is affiliated with Piedmont Hospital. He accepts multiple insurance plans. Dr. Knapp is board certified in Cardiovascular Disease.


  • Emory Affil Hosps, Fellowship Hospital — 1980
  • Grady Memorial Hospital, Internship Hospital — 1975
  • University of Minnesota Medical School, Medical School — 1974

Insurance Accepted

  • Aetna
  • Ambetter
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health
  • Humana

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Mar 14, 2021
Best Cardiac Doctor ever. Had my heart attack in 1989. It has been 32 years and because of him I am still going strong!! Mike Walsh
AAAAMike Walsh BEST HUSBAND EVER — Mar 14, 2021
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Frequently Asked Questions

Find contact information here to make an appointment.

Click here to compare with other Cardiology Specialists.

A list of accepted insurance providers is available on the Healthgrades insurance check. It is always a good idea to verify your insurance when making an appointment.

Dr. Knapp frequently treats the following conditions: Hyperlipidemia, Heart Disease, and Aneurysm. See more on Sharecare.

Dr. William Knapp, MD is affiliated with Piedmont Hospital and Piedmont Mountainside Hospital.

Yes, Dr. William Knapp, MD holds board certifications in Cardiovascular Disease and Internal Medicine.

Dr. Knapp has over 48 years of healthcare experience.

There is a star rating of 5/5 for Dr. William Knapp, MD. Patients say that they trusted the provider's decisions and the provider explained conditions well. See all patient feedback on Sharecare.

Hospital Affiliations

  • Piedmont Hospital
  • Piedmont Mountainside Hospital


  1. Piedmont Hospital

    1. 1
      Piedmont Heart Institute
      275 Collier Rd NW Ste 500, Atlanta, GA 30309 (404) 605-2800
  1. Piedmont Heart Institute

    1. 2
      PHI of Buckhead
      95 Collier Rd NW Ste 2065, Atlanta, GA 30309 (404) 605-2800
Telehealth Options
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(404) 605-2800