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FIMI

Advanced Internal Medicine & Specialized Chronic Care in Florida

At Florida Internal Medicine Institute, we provide patient-centered internal medicine and endocrinology care to help you live a healthier, fuller life. Our board-certified physicians take the time to listen, understand your unique needs, and create personalized treatment plans that support your long-term wellness. From preventive care and chronic disease management to advanced endocrine treatment, we are here for you—every step of the way.

20+ Years
of Experience

Delivering trusted care in our community since 2003.

Board-Certified
Physicians

Highly trained experts in internal medicine and endocrinology.

Comprehensive
Care

From prevention to advanced treatment, all your health needs under one roof.

4 Convenient
Locations

Proudly serving patients across Florida.

Patient First
Always

We listen, we care, and we put your health and comfort first.

Main Services

Care Designed Around Your Health Needs

From preventive care to advanced treatment, our services are designed to support your health at every stage of life with compassion, expertise, and convenience.

Chronic Care Management

Remote Patient Monitoring

Annual Wellness Checkups

Thyroid / Adrenal / Pituitary Care

BIOTE Hormone Pellet Therapy

Personalized Diabetes Care

D.O.T. Physical Exams

Pulmonary Function Testing

Comprehensive Care

Whole-Person Care
For a Healthier You

At Florida Internal Medicine Institute, we take a comprehensive approach to your health. From preventive care and accurate diagnosis to personalized treatment and ongoing support, our board-certified physicians work with you every step of the way to help you live a longer, healthier life.

Patient-Centered Approach

We listen, understand, and create personalized care plans tailored to your unique needs.

Expertise You Can Trust

Board-certified physicians with extensive experience in internal medicine and endocrinology.

Coordinated, Comprehensive Care

We manage every aspect of your care—from prevention to treatment and long-term follow-up.

Convenient & Accessible

Multiple locations, flexible scheduling, and modern care options make your health a priority.

Care That Covers Every Step of Your Health Journey

Prevent

Routine checkups, screenings, and lifestyle guidance to help you stay healthy.

Detect

Advanced diagnostic testing to identify issues early—before they become serious.

Treat

Evidence-based treatments and therapies tailored to your condition and goals.

Manage

Ongoing care and monitoring to manage chronic conditions and improve quality of life.

Support

Continuous support and education to empower you on your health journey.

We’re Here For You

Your Health.
Our Priority.

From preventive care to chronic disease management, our team is here to support you every step of the way. Compassionate care. Expert guidance. Better health.

Featured Program

Diabetes Management
Program

Personalized care. Proven strategies. Better control.

Our Diabetes Management Program is designed to help you manage your blood sugar, improve your health, and live life to the fullest with confidence.

Personalized Care Plans

Customized treatment and nutrition plans designed around your unique needs and goals.

Better Monitoring

Regular monitoring and advanced tools to help you stay informed and in control.

Ongoing Support

Compassionate guidance, education, and support every step of the way.

Comprehensive
Assessments

Thorough evaluations to understand your health and diabetes goals.

Nutrition
Guidance

Practical nutrition advice to help you make healthier daily choices.

Lifestyle
Support

Expert guidance on activity, weight management, and stress reduction.

Medication
Management

Careful medication management to improve results and reduce complications.

Education
& Empowerment

Understand your condition and feel empowered to take control.

Why Choose FIMI

Why Choose Florida Internal Medicine Institute

Patient-first internal medicine and endocrinology care designed around your long-term health.

At FIMI, we combine advanced expertise with a personal touch—so you can feel your best today and for years to come.

1. Experienced Providers

Board-certified professionals delivering trusted internal medicine and endocrinology care.

2. Comprehensive Care

Preventive, chronic, and specialty care connected under one roof.

3. Personalized Approach

Care plans tailored to your symptoms, goals, and long-term wellness.

4. Advanced Diabetes & Hormone Care

Focused support for diabetes, thyroid, adrenal, pituitary, and hormone concerns.

5. 4 Florida Locations

Convenient access to care close to home.

6. Patient-First Experience

Compassionate care, clear communication, and ongoing support.

Our Providers

Dr. Sajid Khan, MD

Dr. Sajid
Khan, MD

Internal Medicine & Endocrinology

Dr. Hasebbuddin Ahmed, MD

Dr. Hasebbuddin
Ahmed, MD

Internal Medicine

Dr. Bindeshwari Sinha, MD

Dr. Bindeshwari
Sinha, MD

Internal Medicine

Dr. Josef Vesely, MD

Dr. Josef
Vesely, MD

Endocrinology

Dr. Ernesto Toledo, MD

Dr. Ernesto
Toledo, MD

Internal Medicine

Our Locations

Quality Care. Close to Home.

With 4 convenient locations across Florida, Florida Internal Medicine Institute makes it easier to get the care you need, when and where you need it.

01

Ocala - Lake Weir

02

Lake City

03

Ocala - 62 Court

04

Live Oak

Insurance We Accept

Insurance We Accept

We work with many major insurance providers to make quality care accessible and affordable. If you don’t see your plan listed, please contact us — we’re happy to help.

Major Insurance Providers

Medicare

Aetna

Cigna

Blue Cross Blue Shield logo

Blue Cross Blue Shield

Humana

United Healthcare logo

United Healthcare

Florida Blue

Optum logo

Optum

TRICARE logo

TRICARE

UMR logo

UMR

Wellcare

Clover Health logo

Clover Health

Testimonials

Trusted by Patients. Proven by Care.

Our patients are at the heart of everything we do. Read their stories and see why so many individuals and families trust Florida Internal Medicine Institute for their care.

Rated 5 out of 5

Dr. Khan and his team are amazing! They take the time to listen, explain everything clearly, and truly care about their patients. I feel so fortunate to have found such a compassionate practice.

Maria S.

Maria S.
Ocala, FL

Rated 5 out of 5

The staff is always friendly and professional. Appointments are easy to schedule and I never feel rushed during my visits. Florida Internal Medicine Institute provides excellent care every time.

James R.

James R.
The Villages, FL

Rated 5 out of 5

I have been a patient for over 5 years and I couldn’t be happier. Dr. Patel listened to my concerns and helped me manage my health in a way that has made a huge difference in my life.

Linda M.

Linda M.
Lake City, FL

Rated 5 out of 5

From the front desk to the providers, everyone is kind, caring, and attentive. I highly recommend this practice to anyone looking for quality primary care.

Robert T.

Robert T.
Gainesville, FL

Ready to Get Started?

Take the Next Step
Toward Better Health

Schedule your visit with Florida Internal Medicine Institute for compassionate internal medicine and endocrinology care close to home.