Photo of Dr. Diane Rennirt

Dr. Diane Rennirt, MD

Concierge Internal Medicine physician, Louisville, KY

Ultimate MD
5.0 (8 reviews)

Dr. Rennirt is a board-certified internal medicine physician who announced a concierge practice, Ultimate MD, in Louisville.

3945 Nanz Avenue, Louisville, KY 40207
At a glance
Practice model
Concierge membership
Board certification
American Board of Internal Medicine

Facts on this page last checked November 2026. How we check doctors

About Dr. Rennirt

Dr. Rennirt earned a bachelor of science from Spalding University in 1986 and a master of science in anatomical sciences and neurobiology from the University of Louisville Health Sciences Center in 1995. She earned her medical degree from the University of Louisville School of Medicine in 1998 and completed her internal medicine residency there from 1998 to 2001. She announced a concierge practice, Ultimate MD, in St. Matthews, Louisville.

She has worked as a senior-level Aviation Medical Examiner for the Federal Aviation Administration. Her interests include preventive care, women's health, fitness, diabetes, hypertension, lipid disorders and comprehensive skin care. Outside of work, she enjoys riding dressage, running, downhill skiing, hiking and travel.

Membership and fees

Members of Ultimate MD can reach their doctor by phone, email or text day or night.

Members get same-day or next-day appointments, and visits are unrushed, averaging 30 to 60 minutes.

Services

Preventive care Women's health Fitness Diabetes Hypertension Lipid disorders Comprehensive skin care
What internal medicine doctors commonly treat

Education and credentials

Degree
MD
College
Spalding University (BS, 1986)
Graduate school
University of Louisville Health Sciences Center (MS in anatomical sciences and neurobiology, 1995)
Medical school
University of Louisville School of Medicine (1998)
Residency
Internal medicine, University of Louisville (1998 to 2001)
Board certification
American Board of Internal Medicine (certified 2001, 2011 and 2020)
Other certification
Senior-level Aviation Medical Examiner, Federal Aviation Administration
Professional memberships
American College of Physicians, Kentucky Medical Association, Jefferson County Medical Association, Civil Aviation Medical Association
License
Kentucky
Board actions
Good standing (checked Nov 2026) None on record Verify with the Kentucky Board of Medical Licensure
NPI
1124083969

Location

3945 Nanz Avenue, Louisville, KY 40207
Ultimate MD practice page
Directions

Patient reviews

5.0
8 reviews
5 star8
4 star0
3 star0
2 star0
1 star0
Write a review
Rated 5 out of 5

"Shows genuine concern for patient well-being during each visit."

FMDD UserMay 2024
Rated 5 out of 5

"Has a way of making you feel at ease from the moment you arrive."

FMDD UserMay 2024
Rated 5 out of 5

Provided outstanding service to us!

"Dr. Rennirt and her team have always provided outstanding service to us. My wife and I have been seeing her for several years. Greatly appreciated."

FMDD UserJun 2022
Rated 5 out of 5

Always attentive and compassionate!

"She's been my internist for the past 10 years! Always attentive and compassionate, and all treatments are effective!"

FMDD UserApr 2022

Questions patients ask

Does Dr. Rennirt offer a membership?

Dr. Rennirt announced a concierge practice, Ultimate MD, in St. Matthews, Louisville. Members get same-day or next-day appointments and can reach their doctor by phone, email or text day or night.

Is Dr. Rennirt board certified?

Dr. Rennirt is board certified by the American Board of Internal Medicine, certified in 2001, 2011 and 2020.

Where did Dr. Rennirt train?

She earned her medical degree from the University of Louisville School of Medicine in 1998. She completed her internal medicine residency at the University of Louisville Department of Internal Medicine.

Where is Dr. Rennirt's office?

Dr. Rennirt's concierge practice, Ultimate MD, is in St. Matthews, Louisville.

How long are visits with Dr. Rennirt?

Visits are unrushed, averaging 30 to 60 minutes.

Are you Dr. Rennirt? Claim this profile for free. Report a correction.

Ready to contact Ultimate MD?