Summary

Dr. John Guenst is an internal medicine and anesthesiology specialist who brings 38 years of medical experience to his practice. He earned his medical degree from Vanderbilt University School of Medicine and completed his residency at St. Louis University School of Medicine. Dr. Guenst's dual specialty training allows him to provide comprehensive internal medicine care while also offering anesthesiology services. He communicates with patients in English.

Dr. Guenst practices throughout Nashville and maintains affiliations with Ascension Saint Thomas Hospital West. His internal medicine expertise includes treating chronic kidney disease and type 2 diabetes. He also addresses high cholesterol concerns in younger patients. Dr. Guenst provides preventive care services such as depression screenings and administers important immunizations including flu vaccines and COVID-19 boosters. Patients have given him an average rating of 4.2 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 38 years of experience
  • 43 insurance plans accepted
  • speaks English
  • St Louis University School Of Medicine
  • 2 written reviews
  • 3 specialties
  • 8 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Martin Guenst has 4 locations

Saint Thomas Medical Group Pllc

4230 Harding Pike Ste 400Nashville, TN 37205
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Ascension Saint Thomas Hospital West

4220 Harding PikeNashville, TN 37205

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Dr. John Martin Guenst, MDEric HarkerDr. Michael R ZolkiewiczDr. Yoo Kyung Ahn-Sung
Internal MedicineInternal MedicineNephrologyDentistry
Accepts New Patients Accepts New Patients
4.2 
38 Years of Experience 25 Years of Experience 36 Years of Experience 66 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Nashville , TNLyons , CONashville , TNNashville , TN
Med School: Vanderbilt University School Of Medicine Med School: Duke University School Of Medicine Med School: University Of Louisville School Of Medicine Med School: Korea University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Martin Guenst

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Allegiance Life and Health
  • AmeriGroup
  • Anthem Blue Cross
  • Ascension Health
  • Ascension Health - PPO
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicare
  • Blue Cross Blue Shield of Tennessee
  • Blue Cross Blue Shield of Tennessee - PPO
  • Cigna
  • Cigna-HealthSpring
  • Cigna-HealthSpring - HMO
  • Cigna-HealthSpring - Medicare
  • Cigna-HealthSpring - Medicare (Advantage HMO)
  • Devoted Health
  • GEHA
  • Golden Rule
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Oscar Health Insurance
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HSA
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthOne
  • Wellcare
  • Wellcare - Medicare (Advantage HMO)

Medical Specialties

Dr. John Martin Guenst has the following 3 specialties

Specialty Expertise

Dr. John Martin Guenst has the following 8 areas of expertise

  • Anesthesiology
  • Check-up
  • Heartburn
  • Immunization
  • Other
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

38 Years Experience

Dr. John Martin Guenst holds an expired medical license in the state of Tennessee.

Medical License

Medical Doctor with an expired medical license in the state of Tennessee that expired in 2026.

Education & Training

Residency

Completed their residency at St Louis University School Of Medicine.

Medical School

Graduated from Vanderbilt University School Of Medicine in 1989 and Vanderbilt University School Of Medicine in 1988.

NPI Number

Dr. Guenst's NPI number is 1063452902.

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Frequently Asked Questions

Where is Dr. John Guenst's office located?
Dr. John Guenst's office is located at 4230 Harding Pike Ste 400, Nashville, TN, 37205.
Which hospitals is Dr. John Guenst affiliated with?
Dr. John Guenst is affiliated with Ascension Saint Thomas Hospital West.
How can I make an appointment with Dr. John Guenst?
You can find contact information for Dr. John Guenst here on Vitals.
Does Dr. John Guenst accept my insurance?
You can see the insurance plans that Dr. John Guenst accepts on their Vitals profile.
Does Dr. John Guenst accept virtual/telehealth appointments?
Dr. John Guenst has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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