Expertise in
4
conditions

Dr. Harold Bays

Endocrinology
Office
3288 Illinois Ave, 
Louisville, KY 
Expertise in
4
conditions
Office
3288 Illinois Ave, 
Louisville, KY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Harold Bays is an Endocrinologist in Louisville, Kentucky. Dr. Bays is highly rated in 4 conditions, according to our data. His top areas of expertise are Obesity, Familial Hypertriglyceridemia, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young.

His clinical research consists of co-authoring 229 peer reviewed articles and participating in 12 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Endocrinology
Licenses
Internal Medicine in KY
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D

Locations

Office
3288 Illinois Ave, Louisville, KY 40213
Call: 502-515-6621

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

12 Clinical Trials

The Effect of Tirzepatide Versus Dulaglutide on Major Adverse Cardiovascular Events in Patients With Type 2 Diabetes (SURPASS-CVOT)
The Effect of Tirzepatide Versus Dulaglutide on Major Adverse Cardiovascular Events in Patients With Type 2 Diabetes (SURPASS-CVOT)
Enrollment Status: Completed
Publish Date: August 24, 2025
Intervention Type: Drug
Study Drugs: Tirzepatide, Dulaglutide
Study Phase: Phase 3
Efficacy and Safety of Tirzepatide Once Weekly in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight- Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-1)
Efficacy and Safety of Tirzepatide Once Weekly in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight- Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-1)
Enrollment Status: Completed
Publish Date: July 24, 2025
Intervention Type: Drug
Study Drug: Tirzepatide
Study Phase: Phase 3
A Phase 3, Multicenter, Randomized, Parallel-Design, Open-Label Trial to Evaluate the Efficacy and Safety of LY3209590 Compared With Insulin Degludec in Participants With Type 2 Diabetes Currently Treated With Basal Insulin (QWINT-3)
A Phase 3, Multicenter, Randomized, Parallel-Design, Open-Label Trial to Evaluate the Efficacy and Safety of LY3209590 Compared With Insulin Degludec in Participants With Type 2 Diabetes Currently Treated With Basal Insulin (QWINT-3)
Enrollment Status: Completed
Publish Date: June 03, 2025
Intervention Type: Drug
Study Drugs: LY3209590, Insulin Degludec
Study Phase: Phase 3
A Phase 4, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of Galcanezumab Versus Rimegepant in Adult Participants With Episodic Migraine
A Phase 4, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of Galcanezumab Versus Rimegepant in Adult Participants With Episodic Migraine
Enrollment Status: Completed
Publish Date: June 28, 2024
Intervention Type: Drug
Study Drugs: Galcanezumab, Rimegepant
Study Phase: Phase 4
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo for Maintenance of Weight Loss in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-4)
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo for Maintenance of Weight Loss in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-4)
Enrollment Status: Completed
Publish Date: May 22, 2024
Intervention Type: Other, Drug
Study Drug: Tirzepatide
Study Phase: Phase 3
The Effect of Epitomee Capsule on Body Weight in Patients With Overweight and Obesity With and Without Prediabetes
The Effect of Epitomee Capsule on Body Weight in Patients With Overweight and Obesity With and Without Prediabetes
Enrollment Status: Completed
Publish Date: March 19, 2024
Intervention Type: Other, Device
Study Phase: Not Applicable
A Randomized, Double-Blind, Parallel Group, Placebo-Controlled, Multicenter Study to Evaluate the Efficacy, Safety, and Tolerability of STS101 (Dihydroergotamine Nasal Powder) in the Acute Treatment of Migraine
A Randomized, Double-Blind, Parallel Group, Placebo-Controlled, Multicenter Study to Evaluate the Efficacy, Safety, and Tolerability of STS101 (Dihydroergotamine Nasal Powder) in the Acute Treatment of Migraine
Enrollment Status: Completed
Publish Date: November 27, 2023
Intervention Type: Drug
Study Drug: Dihydroergotamine
Study Phase: Phase 3
Randomized, Multicenter, Double-blind, Parallel-Group, Placebo & Comparator-Controlled Study to Compare the Glycemic Effects, Safety & Tolerability of Metformin Delayed-Release Tablets in Patients With Type 2 Diabetes Mellitus
Randomized, Multicenter, Double-blind, Parallel-Group, Placebo & Comparator-Controlled Study to Compare the Glycemic Effects, Safety & Tolerability of Metformin Delayed-Release Tablets in Patients With Type 2 Diabetes Mellitus
Enrollment Status: Suspended
Publish Date: March 14, 2023
Intervention Type: Drug
Study Drug: Metformin
Study Phase: Phase 3
A Phase 2, Parallel, Comparator-Controlled Trial to Evaluate the Safety and Efficacy of LY3209590 in Insulin-Naïve Patients With Type 2 Diabetes Mellitus
A Phase 2, Parallel, Comparator-Controlled Trial to Evaluate the Safety and Efficacy of LY3209590 in Insulin-Naïve Patients With Type 2 Diabetes Mellitus
Enrollment Status: Completed
Publish Date: November 02, 2022
Intervention Type: Drug
Study Drugs: LY3209590, Insulin Degludec
Study Phase: Phase 2
A 12-Week, Phase 2 Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy Safety and Tolerability of Gemcabene in Subjects With Severe Hypertriglyceridemia (INDIGO-1)
A 12-Week, Phase 2 Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy Safety and Tolerability of Gemcabene in Subjects With Severe Hypertriglyceridemia (INDIGO-1)
Enrollment Status: Completed
Publish Date: June 25, 2020
Intervention Type: Drug
Study Phase: Phase 2
A 12-Week, Phase 2 Randomized, Placebo-Controlled, Double-Blind Study to Assess the Efficacy, Safety and Tolerability of Gemcabene in Subjects With Hypercholesterolemia Not Adequately Controlled on High-Intensity or Moderate-Intensity Stable Statin Therapy
A 12-Week, Phase 2 Randomized, Placebo-Controlled, Double-Blind Study to Assess the Efficacy, Safety and Tolerability of Gemcabene in Subjects With Hypercholesterolemia Not Adequately Controlled on High-Intensity or Moderate-Intensity Stable Statin Therapy
Enrollment Status: Completed
Publish Date: June 25, 2020
Intervention Type: Drug
Study Phase: Phase 2
Crossover Study Comparing the Dulaglutide (Trulicity) Pen and the Semaglutide (Ozempic) Pen
Crossover Study Comparing the Dulaglutide (Trulicity) Pen and the Semaglutide (Ozempic) Pen
Enrollment Status: Completed
Publish Date: April 24, 2020
Intervention Type: Drug
Study Phase: Phase 4
View 11 Less Clinical Trials
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Bays's expertise for a condition
ConditionClose
  • Elite
  • Familial Hypertriglyceridemia
    Dr. Bays is
    Elite
    . Learn about Familial Hypertriglyceridemia.
    See more Familial Hypertriglyceridemia experts
  • Obesity
    Dr. Bays is
    Elite
    . Learn about Obesity.
    See more Obesity experts
  • Distinguished
  • Type 2 Diabetes (T2D)
    Dr. Bays is
    Distinguished
    . Learn about Type 2 Diabetes (T2D).
    See more Type 2 Diabetes (T2D) experts
  • Advanced
  • Maturity Onset Diabetes of the Young
    Dr. Bays is
    Advanced
    . Learn about Maturity Onset Diabetes of the Young.
    See more Maturity Onset Diabetes of the Young experts
  • Experienced
  • Abdominal Obesity Metabolic Syndrome
    Dr. Bays is
    Experienced
    . Learn about Abdominal Obesity Metabolic Syndrome.
    See more Abdominal Obesity Metabolic Syndrome experts
  • Defective Apolipoprotein B-100
    Dr. Bays is
    Experienced
    . Learn about Defective Apolipoprotein B-100.
    See more Defective Apolipoprotein B-100 experts
  • Familial Hypercholesterolemia
    Dr. Bays is
    Experienced
    . Learn about Familial Hypercholesterolemia.
    See more Familial Hypercholesterolemia experts
  • Heterozygous Familial Hypercholesterolemia (HeFH)
    Dr. Bays is
    Experienced
    . Learn about Heterozygous Familial Hypercholesterolemia (HeFH).
    See more Heterozygous Familial Hypercholesterolemia (HeFH) experts
  • Low Blood Sugar
    Dr. Bays is
    Experienced
    . Learn about Low Blood Sugar.
    See more Low Blood Sugar experts
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