2 Innovation Drive, Suite 400, 
Greenville, SC 

Overview

I started my medical career as an EMT and then became a rescue tech paramedic at Greenville County. I went on to earn an associate's degree while working as a nurse in the cardiac catherization lab at St. Francis before finishing my bachelor’s degree in nursing. I then completed my master’s degree in nursing to become a nurse practitioner. I have had the joy of growing and learning at Upstate Cardiology in my favorite field of medicine.

Dr. Garren is board certified in American Nurses Credentialing Center and (Adult-Gerontology Acute Care Nurse Practitioner).

Graduate Institution

Walden University, 2017

Specialties

Cardiology

Licenses

Nurse Practitioner in SC

Board Certifications

American Nurses Credentialing Center
(Adult-Gerontology Acute Care Nurse Practitioner)

Hospital Affiliations

Bon Secours St. Francis

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Absolute Total Care South Carolina
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE-MEDICAID PLAN
Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Bright Health

Accepted plan types not found. Please verify directly with the provider.

Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Eon Health
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 10 Less Insurance Carriers -

Locations

Upstate Cardiology Greenville
2 Innovation Drive, Suite 400, Greenville, SC 29607
Other Locations
Upstate Cardiology
2 Innovation Drive, Suite 330, Greenville, SC 29607
Upstate Cardiology Easley
702 North A Street, Easley, SC 29640
212 Frontage Road, Clemson, SC 29631
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Upstate Cardiology Greenville

2 Innovation Drive, Suite 400, 
Greenville, SC 
 (6.4 miles away)
Experience:
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Languages Spoken:
English

I attended medical school at Des Moines University College of Osteopathic Medicine in Iowa. Afterwards, I completed both an internal medicine residency and cardiology fellowship at the Medical University of South Carolina in Charleston. I truly enjoy helping my patients with cardiovascular disease restore their health and wellbeing. I consider myself fortunate to practice cardiology in the upstate of South Carolina. Dr. Stewart is highly rated in 30 conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Angina, Pacemaker Implantation, and Cardiac Ablation. Dr. Stewart is board certified in American Board Of Internal Medicine and (Internal Medicine, Cardiovascular Disease).

Frequently Asked Questions about Dr. John D. Garren

How do I make an appointment with Dr. John D. Garren?

You can book an appointment with Dr. John D. Garren by calling their office at 864-235-7665. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Does Dr. John D. Garren accept my insurance?

Dr. John D. Garren accepts most major insurance plans, including Absolute Total Care South Carolina and Aetna. We recommend calling the office directly at 864-235-7665 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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