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About
Dr. Reid Johnstone, MD is
Education
- McG Health Inc, Fellowship Hospital — 2002
- Greenville Memorial Hospital, Internship Hospital — 1998
- College of Charleston, Undergraduate School — 1997
Insurance Accepted
- Aetna
- Ambetter
- Anthem
- Blue Cross Blue Shield
- CareFirst Blue Cross Blue Shield
- Cigna
- First Health
- Humana
- Medicaid
- Medicare
- MultiPlan
- Tricare
- UnitedHealthCare
* Please verify this information when scheduling an appointment.
Patient Satisfaction
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How likely are you to recommend Dr. Johnstone?
Dr Reid Johnstone is an amazing kind and caring physician,very knowledgeable and takes time to explain what is going on with my treatment Has been my Doc for years and I have always received the best care Staff is always courteous and efficient

Frequently Asked Questions
A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.
New patients are generally accepted by Dr. Reid Johnstone, MD. To arrange an appointment, call the number on Dr. Johnstone's profile.
Dr. Johnstone in specializes in Allergy & Immunology. See more on Sharecare.
Dr. Johnstone frequently treats the following conditions: Hives, Pollen Allergy and Animal Allergies. See more on Sharecare.
Dr. Johnstone's office is located at 212 Frontage Rd Clemson, SC 29631. You can find other locations and directions on Sharecare.
Dr. Johnstone provides telehealth services. Please contact the office to determine whether you are eligible.
Dr. Reid Johnstone, MD is affiliated with Prisma Health Greenville Memorial Hospital and St. Francis Downtown.
Dr. Reid Johnstone, MD has a star rating of 3.8/5. See more patient feedback on Sharecare.
Hospital Affiliations
- Prisma Health Greenville Memorial Hospital
- St. Francis Downtown
Locations
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Allergy Partners Of The Upstate
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Allergy Partners Of The Upstate
212 Frontage Rd, Clemson, SC 29631 (864) 654-0066 -
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Allergy Partners Of The Upstate
48 Creekview Ct, Greenville, SC 29615 (864) 458-7431 -
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Allergy Partners Of The Upstate
62 Bear Dr, Greenville, SC 29605 (864) 220-3377
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Allergy Partners Of The Upstate
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Allergy Partners Of The Upstate
115 Edgebrook Dr, Anderson, SC 29621 (864) 458-7431
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