Gastroenterology Associates

Gastroenterology • Simpsonville, SC • Since 1978

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About

Gastroenterology Associates is a private, physician-led medical practice specializing in digestive system diseases, with 11 offices across Upstate South Carolina and 4 endoscopy centers. Founded in 1978 and headquartered in Greenville, SC, the practice offers prompt evaluation, diagnosis, and treatment, including in-house labs and advanced endoscopy. They emphasize timely care (urgent cases seen within 24 hours) and low-cost, high-quality services. Key locations include Simpsonville (317 St. Francis Drive Suite 150) and Greenville offices, with additional sites in Spartanburg, Clemson, and more.

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Clinic Type

Gastroenterology

Address

Upstate South Carolina (multiple locations)

Phone

(864) 232-7338

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://gastroassociates.com/

Emergency Care

Urgent cases seen within 24-48 hours

Services Offered

Gastroenterology
Endoscopy
Colorectal cancer screening
Colonoscopy
G.I. procedures
In-house labs
Open Access Program
Urgent care within 24-48 hours
Pediatric GI (not specified)
Clinical research (implied by links)
Ambulatory surgical center procedures (cost comparison)

Technology & Equipment

State-of-the-art endoscopy equipment
In-House Labs
Open Access scheduling
Electronic health records

Team

Board-Certified Physicians — Medical team

Insurance & Payment

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Office visits, Procedures, Screenings, Colonoscopy, Private pay (implied by “Low-cost & high-quality care”)

Languages Spoken

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Pricing

Colonoscopy pricing context: ambulatory surgical center cheaper than hospital setting (up to 75% cheaper)

Current Offers

Schedule a screening colonoscopy without an office visit

FAQs

Why choose Gastroenterology Associates?

Largest GI practice in South Carolina; physician-owned; Open Access Program for easy scheduling; providers serve Prisma Hospital System and Pelham Medical Center; access to medical records from hospital systems; Prisma Health Upstate Network member; cost advantages at ambulatory surgical centers.

Social Media

Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye: 4.9 out of 5 stars (234 reviews)
rater8 (Dr. Jared Geist): 4.7 out of 5 stars (159 ratings)

Patients praise

Attentive and caring medical staff
Clear explanations of treatment plans
Efficient and smooth procedure experiences
Good bedside manner

Common complaints

Billing disputes and financial handling issues
Scheduling errors and delays in treatment

"Best doctor EVER! Caring and truly listens and answers questions. Trust him implicitly!"

— rater8 - Patient review of Dr. Jared Geist

"I had a great experience with Cindy Loeb . She really took the time to listen to my concerns and didn't make me feel rushed. The explanation of my treatment plan was clear and easy to follow."

— Gastroenterology Associates - Patient testimonial

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].