Live
Read more

About

Sumner Medical Group, PLLC is a private medical practice based in Gallatin, Tennessee, operating 4 offices (HQ at 300 Steam Plant Rd, Gallatin). They provide world-class medical care with a personal touch, including an Express Clinic. The practice is led by the same doctors who treat patients and employs about 10 staff, reporting annual revenue ≈ $26.1M. Services span general medical care within the medical practices sector, with multiple providers (Physician Assistants and specialists) and a patient-focused environment. Website: sumnermedical.com. Phone: (615) 230-8070.

Clinic Type

Internal Medicine

Address

110 St Blaise Rd suite 200, Gallatin, TN 37066, USA

Phone

615-230-8070

Email

Opening Hours

On-Site Lab Hours: Monday - Friday, 7:30 AM to 4:30 PM

Services Offered

  • Internal Medicine
  • Osteopathic Medicine
  • Women’s Health
  • Preventive Medicine
  • Obesity Medicine

Team

  • Dr. Marshall Johnson, Board-Certified Internal Medicine — Board-Certified Internal Medicine physician
  • Dr. Jordan Shirley, Board Certified in Family Medicine and Obesity Medicine — Osteopathic physician

Insurance & Payment

  • all major insurances

Cash, Credit Card, Health Savings Account (HSA), Flexible Spending Account (FSA)

Languages Spoken

  • English

FAQs

Do I need an appointment for the clinic at St Blaise?

No appointment needed

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye/Google: 3.4 out of 5 stars (25 reviews)

Patients praise

  • Helpful and responsive staff members in specific instances
  • Positive feedback for individual providers (e.g., gastroenterology)
  • Efficient staff members noted in some reviews

Common complaints

  • Rudeness and lack of professionalism from front desk staff
  • Issues with billing and insurance claims
  • Unhelpful customer service experiences

"The front desk is rude, unprofessional, and unhelpful."

Birdeye

"They bill my insurance incorrectly every single appointment. We have regular appointments. Every single time."

Yelp

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

Information sourced from the clinic's website as of July 11, 2026.

More internal medicine clinics in Gallatin

Gallatin, TN·Internal Medicine

VerifiedOnline booking
Gallatin, TN·Internal Medicine

VerifiedOnline booking

See all internal medicine clinics in Gallatin

Comparing your options?

See other internal medicine clinics in Gallatin, or search the full directory by insurance, ratings, and more.

More Internal Medicine Clinics