
David Scott Lessen, MD
Hematology
Highlights
Age Groups Seen
- Adults
- Geriatrics (ages 70+)
Languages
- English
About David Scott Lessen
Roles
Division of Hematology
Staff Physician
Voluntary Assistant Professor of Medicine
Clinical Area
Research Interests
About the Provider
Dr. David Lessen is Medical Director of Sylvester Comprehensive Cancer Center at Deerfield Beach and Fort Lauderdale. His clinical and research interests are the treatment of benign and malignant hematological diseases including myeloproliferative neoplasms and lymphomas. He is an investigator on multiple clinical protocols at Sylvester. Dr. Lessen was the recipient of the UM Miller School of Medicine’s Faculty Service Excellence Award in 2025 for outstanding service to patients. Dr. Lessen received his medical degree from Tel Aviv University and completed his MBA in Health Management and Policy at University of Miami’s Herbert Business School.
Locations
- 1192 East Newport Center Drive, Suite 100, Deerfield Beach, FL 33442
- Get Directions
- phone: 305-243-5302
- 5700 North Federal Highway, Suite 5, Fort Lauderdale, FL 33308
- Get Directions
- phone: 305-243-5302
Expertise
Education
- Fellowship: Lenox Hill Hospital/ Northwell, Hematology/Oncology, 2005
- Residency: Lenox Hill Hospital/ Northwell Hospital, Internal Medicine, 2002
- Medical School: Sackler School of Medicine, 1998
Board Certifications
- Hematology: American Board of Internal Medicine
- Medical Oncology: American Board of Internal Medicine
Insurance
- Aetna - WC
- Aetna Affiliates/Signature Adm. (ASA)
- Aetna Behavioral Health
- Aetna Elect Choice (EPO)
- Aetna-FL Healthy Kids
- Aetna-HMO
- Aetna-Medicaid HMO
- Aetna-Medicare HMO
- Aetna-Medicare PPO
- Aetna-POS
- Aetna-PPO
- Aetna-UM Employee-HMO 1
- Aetna-UM Employee-HMO 2
- Aetna-UM Employee-POS HRA
- Aetna/Coventry - Institutes of Excellence (IOE)
- Amerigroup-FL Healthy Kids
- Amerigroup-Medicaid HMO
- Argus Vision
- AvMed Choice
- AvMed-HMO/POS
- AvMed-MDC and JHS Groups
- AvMed-Medicare HMO
- AXIS
- BCBS Blue Options-Network Blue-PPO
- BCBS BlueCare-HealthOptions HMO
- BCBS BlueChoice PPC-PPO
- BCBS Miami Dade Blue-PPO
- BCBS of FL - except "SELECT" Plans
- BCBS of FL (Commercial plans exclude HIX Select)
- BCBS Traditional-PHS-PPO
- Beacon Health (FKA ValueOption)
- Beech Street-PPO
- Broward Health Medical Center
- CarePlus-Medicare HMO
- Catholic Hospice
- CCP-CMS Title XIX (Medicaid Enrolled in South Florida)
- CCP-CMS Title XXI (Non-Medicaid Enrolled in South Florida)
- CCP-MMA (Broward County residents)
- Charlotte County Sheriff's Office-PPO
- Cigna Affiliates
- Cigna Behavioral Health
- Cigna Dental-HMO and PPO
- Cigna Life Source (Intracorp is part of Cigna Lifesource)
- Cigna Shared Administration
- Cigna-EPO
- Cigna-HMO
- Cigna-MDCPS Jackson Sr. High
- Cigna-POS
- Cigna-PPO
- Clear Health Alliance-SNP Medicaid HMO
- CompCare (Comprehensive Behavioral Care)
- Concordia Behavioral Health
- CorVel - WC
- Coventry First Health - WC
- Coventry Health Care of FL (HIP)-HMO/POS
- Coventry Health Care of FL (HIP)-PPO
- Coventry Health Plan of FL (Foundation)-HMO
- Coventry Health Plan of FL (Foundation)-POS
- Coventry National-PPO
- Coventry Summit-Medicare HMO
- Coventry Vista-Medicare HMO
- Coventry-First Health-PPO
- Delta Dental-PPO
- DentaQuest (ADI)
- DIKLA
- Dimension - WC
- Dimension Plus-PPO
- EHN - PPO
- EQUIAN (fka Health Systems International)
- Europe Assistance/Global Corporate Solutions
- eyeQuest
- FCCI - WC
- Florida Healthcare Plan (Affiliate of BCBSFL)
- Florida PACE (FPC)
- Freedom Health-Medicaid HMO
- Freedom Health-Medicare HMO
- Gallagher Bassett - WC (MDCPS & FCSRMC)
- Global Excel Mgt PPO
- Global Health Claims Services
- Great West (Cigna)-HMO/POS
- Guardian Life PPO
- HAA Preferred Partners
- Health First Health-HMO/POS
- Health First Health-Medicare HMO
- Health First Health-PPO
- Health Net Veterans Choice HMO
- Heritage Summit Healthcare - WC
- Humana - HUMx
- Humana Behavioral Health (fka LifeSynch)
- Humana Dental/CompBenefits/OHS
- Humana National Transplant
- Humana-EPO
- Humana-HMO
- Humana-Medicaid HMO
- Humana-Medicare HMO
- Humana-PPO
- Humana-Premier
- iCare Health Solutions
- Interlink Health Services
- International Kids Fund (IKF)
- League Medical Concepts-Federal Inmates
- Life Trac
- Magellan Behavioral Health
- Magellan Complete Care-SNP Medicaid HMO
- MDAbroad
- Medica-Medicare HMO
- Medical Development In't (MDI)-Federal Inmates
- Medicus
- Metlife Dental-PPO
- MHNet Behavioral Network
- Molina
- Molina - Market Place
- Molina-Medicaid HMO
- Molina-Medicare HMO
- Morgan White International
- MultiPlan-PPO
- Naphcare (Federal Prisoners)
- National Healthcare Solutions Inc.
- Neighborhood HealthPlan-HMO/POS
- Neighborhood HealthPlan-PPO
- North Broward Hospital District-PPO
- Olympus Managed Healthcare
- Optum
- Positive Healthcare-SNP Medicaid HMO
- Positive Healthcare-SNP Medicare HMO
- Prestige Health Choice-Medicaid HMO
- Prime Health Services - WC
- Quality Health Management
- Religious Order of Jehovah's Witnesses-PPO
- Rockport Healthcare Group - WC
- Royal Caribbean Cruises-PPO
- Sanus Health Corporation
- Simply Healthcare-Medicaid HMO
- Solstice Dental-HMO and PPO
- Start Healthcare Network
- Sunshine
- Sunshine - AMBETTER
- Sunshine-Healthy Kids HMO
- Sunshine-Medicaid HMO
- Sunshine-Medicare HMO
- Tricare South Prime-HMO
- Tricare South Standard-PPO
- United Behavioral Health (UBH)
- UnitedHealthcare Affiliates
- UnitedHealthcare-Healthy Kids HMO
- UnitedHealthcare-HMO/POS
- UnitedHealthcare-Medicaid HMO
- UnitedHealthcare-Medicare Nursing Home Plan
- UnitedHealthcare-PPO
- University of Miami Athletic Dept-PPO
- VUMI
- Wellcare/Staywell-Healthy Kids HMO
- Wellcare/Staywell-Medicaid HMO
- Wexford Health-State Inmates
- Worldwide Managed Care
Ratings & Reviews
4.9 out of 5
782 ratings, 114 reviewsUHealth is committed to being transparent with our patients and community. To achieve this, we include positive and negative comments from the care provider section of the medical practice survey. All ratings and comments are submitted by patients who have experienced outpatient care with our providers. Comments are carefully reviewed to ensure that each one accurately reflects the patient's perception of the care they received.
- 5 out of 5 starsReviewed on 2/25/2026
Keep up the great work
- 5 out of 5 starsReviewed on 2/11/2026
Extremely professional
- 5 out of 5 starsReviewed on 2/11/2026
Excellent
- 5 out of 5 starsReviewed on 2/6/2026
He’s professional and I believe thorough. I just like him and trust him.
- 5 out of 5 starsReviewed on 2/6/2026
Patient since 2008. Always a great experience.
- 5 out of 5 starsReviewed on 1/31/2026
He’s smart, professional, caring, accessible and I believe he truly cares.
- 5 out of 5 starsReviewed on 1/23/2026
Providers very courteous, knowledgable and caring.
- 5 out of 5 starsReviewed on 1/18/2026
Very comfortable with my visit.
- 5 out of 5 starsReviewed on 1/17/2026
I have to say that my Dr. Is very important to me, have been a patient for long time and I pray he will be blessed too
- 5 out of 5 starsReviewed on 1/6/2026
Simply the best.
- 5 out of 5 starsReviewed on 1/6/2026
In under deductible lessons care for many many years I've always been totally satisfied and confident under his care. Would definitely recommend talk to Lessen to anyone I know.
- 5 out of 5 starsReviewed on 12/20/2025
Very satisfied with care
- 5 out of 5 starsReviewed on 12/19/2025
Excellent
- 5 out of 5 starsReviewed on 12/18/2025
Good
- 5 out of 5 starsReviewed on 12/17/2025
Excellent
- 5 out of 5 starsReviewed on 12/12/2025
I appreciate the prompt treatment and careful decision making on the treatment options.
- 5 out of 5 starsReviewed on 11/27/2025
Very happy with the explanation before and after of the procedure by the Dr.and of course, the result of it . THANKS TO EVERYBODY !!
- 5 out of 5 starsReviewed on 11/19/2025
Love, Doctor. Lessen a great caring man
- 5 out of 5 starsReviewed on 11/19/2025
In today's society I am so impressed by this provider you should be proud
- 5 out of 5 starsReviewed on 11/12/2025
My wife and l were fortunate to have some of the best physicians in New York City. My experience yesterday was equal to the best anywhere.
- 5 out of 5 starsReviewed on 10/29/2025
Excellent care
- 5 out of 5 starsReviewed on 10/29/2025
I have been seeing Dr. Lessen for many years and he is outstanding 👏
- 5 out of 5 starsReviewed on 10/22/2025
Everyone is very helpful and very friendly
- 5 out of 5 starsReviewed on 10/10/2025
Don’t change a thing!
- 5 out of 5 starsReviewed on 9/29/2025
Feel confident
- 5 out of 5 starsReviewed on 9/27/2025
Dr Lessen is just wonderful in every way
- 5 out of 5 starsReviewed on 9/17/2025
love Dr Lessen entire operation : blood draw and meeting dr highly efficienr, comfortable, on time and KIND
- 5 out of 5 starsReviewed on 9/15/2025
Felt very well taken care of from start to finish
- 5 out of 5 starsReviewed on 9/11/2025
My Dr Lessen is kind patient and very good Dr
- 5 out of 5 starsReviewed on 9/4/2025
Excellent care and excellent caring
- 5 out of 5 starsReviewed on 8/21/2025
very caring explains everything truly enjoy his knowledge and professionalism
- 5 out of 5 starsReviewed on 8/21/2025
Dr Lessen is a great communicator and very knowledgeable
- 5 out of 5 starsReviewed on 8/19/2025
I would not leave Dr. David Lesson and I have referred him to other patients of mine.
- 5 out of 5 starsReviewed on 8/15/2025
Caring and concerned, and I trust his opinion through the years
- 5 out of 5 starsReviewed on 8/14/2025
Easy to talk too. Listens to me and answers my questions.
- 5 out of 5 starsReviewed on 8/11/2025
Very good services 👌
- 5 out of 5 starsReviewed on 8/10/2025
Very good
- 5 out of 5 starsReviewed on 8/9/2025
The appointment was the most thorough that I've ever experienced. The communication from the doctor was in more detail also with a number of new bits of information that I had never been told previously.
- 5 out of 5 starsReviewed on 8/9/2025
Great all around
- 5 out of 5 starsReviewed on 8/6/2025
Getting the best care possible
- 5 out of 5 starsReviewed on 8/6/2025
Dr Lessen is the best. Period.
- 5 out of 5 starsReviewed on 8/6/2025
I’am very pleased with Dr.Lessen, he is a very caring and concerned about his patients, he takes the time to listen to your concerns.
- 5 out of 5 starsReviewed on 7/29/2025
I came here many years ago had a bad time in my life as a patient of Dr Lessen's. I only had and have good things to say about how I've always been treated and respected by Dr Lessen and the entire staff. I highly recommend the practice.
- 5 out of 5 starsReviewed on 7/29/2025
How can you possibly take any action on my responses. There is nothing specific to measure.
- 5 out of 5 starsReviewed on 7/28/2025
My visit with Dr. Lesen went well as it always does.
- 4 out of 5 starsReviewed on 7/27/2025
The best in South Florida
- 5 out of 5 starsReviewed on 7/27/2025
I have full faith in Dr. Lessen and his team.
- 5 out of 5 starsReviewed on 7/26/2025
Dr David Lessen is the best doctor I have ever had. He is very knowledgeable and professional and has a special personal quality in interacting and instilling confidence in his patients.He has made my ability easier to deal with my medical condition . I have been fortunate to have had several years of treatment by Dr. Lessen [Patient's name], patient
- 5 out of 5 starsReviewed on 7/24/2025
This facility, especially with Dr Lessen has been amazing to deal with
- 5 out of 5 starsReviewed on 7/24/2025
As a patient at Sylvester, you know you are getting excellent care and treatment.
- 5 out of 5 starsReviewed on 7/22/2025
Amazing organization.
- 5 out of 5 starsReviewed on 7/21/2025
Dr. Lessen doesn't rush you. He takes his time and listens to you. Just love the care I receive.
- 5 out of 5 starsReviewed on 7/21/2025
Great people and a very clean hospital.
- 5 out of 5 starsReviewed on 7/19/2025
Excellent
- 5 out of 5 starsReviewed on 7/19/2025
The physician was excellent at explaining everything very thoroughly
- 5 out of 5 starsReviewed on 7/19/2025
I was pleased with the amount of time, attention and courtesy that the provider and his staff gave me. Also that they were able to get me in for labs and a follow up appointment in a timely manner
- 5 out of 5 starsReviewed on 7/16/2025
Overall excellent
- 5 out of 5 starsReviewed on 7/2/2025
I was very pleased
- 5 out of 5 starsReviewed on 6/25/2025
Excellent care from Dr Lessen and all staff. Thank you
- 5 out of 5 starsReviewed on 6/17/2025
I love all of my Drs here. I am so incredibly grateful for all of them.
- 5 out of 5 starsReviewed on 6/14/2025
I trust Dr Lessen and feel extremely confident that he is dedicated to providing the best possible care for me. He is processional and attentive to my visits and doesn’t try to ignore my concerns appreciate his caring manner
- 5 out of 5 starsReviewed on 5/31/2025
This first appointment on a very serious issue assured me that I would be getting the very best advice and care possible. I feel fortunate to have found Dr. David Scott Lessen and UM Sylvester and look forward to my association with the entire care team.
- 5 out of 5 starsReviewed on 5/24/2025
Always an excellent experience with Dr. Lessen and his staff.
- 5 out of 5 starsReviewed on 5/22/2025
The professionals I encounter at Sylvester and UHealth are amazing and make me feel valued. It’s a pretty amazing group of people.
- 5 out of 5 starsReviewed on 5/17/2025
Utmost confidence in David Lessen and entire medical staff Dr Lessen is an incredible individual
- 5 out of 5 starsReviewed on 5/14/2025
I was very pleased with the care and attention Dr Lessen and Caridad provided to me Thank you
- 5 out of 5 starsReviewed on 5/11/2025
Very satisfied
- 5 out of 5 starsReviewed on 5/11/2025
Doctor Lessen is excellent!!!
- 5 out of 5 starsReviewed on 5/10/2025
Dr. Lesson and his team are the best! Thank you to everyone who takes care of me there.
- 4 out of 5 starsReviewed on 5/10/2025
Great as usual
- 5 out of 5 starsReviewed on 5/9/2025
As a previoua UM student im pleased to be so impressed witb its medical center
- 5 out of 5 starsReviewed on 5/9/2025
Dr. Lessen is very knowledgeable. Detailed and attentive. He is friendly and dedicated the time to both listen and explain.
- 5 out of 5 starsReviewed on 5/7/2025
Because the elevator was not working so the wait time was ridiculous for the lab, Dr and CTU
- 5 out of 5 starsReviewed on 5/7/2025
Excellent overall experience!
- 5 out of 5 starsReviewed on 5/7/2025
I feel extremely comfortable with my Dr., Dr.David Lessen is a very knowledgeable Dr. and also he listens very carefully concerning any questions that I may have and he provides me with information that is helpful to me.
- 5 out of 5 starsReviewed on 3/29/2025
Excellent explanation of planned therapies and testing.
- 4 out of 5 starsReviewed on 3/19/2025
Good
- 5 out of 5 starsReviewed on 3/18/2025
Doctor Lessen is great
- 5 out of 5 starsReviewed on 3/4/2025
Everything on that day during my appointment went extremely well as all was.
- 5 out of 5 starsReviewed on 2/24/2025
Good
- 5 out of 5 starsReviewed on 12/23/2024
A very supportive and inclusive environment was created by the care provider
- 5 out of 5 starsReviewed on 12/19/2024
I asked him a few questions about my results and he gave me excellent answers.
- 5 out of 5 starsReviewed on 12/14/2024
I can't say enough good things and how impressed I am with Dr Lessen
- 5 out of 5 starsReviewed on 12/14/2024
I have been a patient of Dr. Lessen for almost 20 years. His compassion and friendly but professional 'bedside manner-' along with his superb medical knowledge are unparalleled by any other physician I am now seeing or can remember seeing in recent years.
- 5 out of 5 starsReviewed on 12/12/2024
Dr lessen is exceptional! We are grateful to have found him.
- 5 out of 5 starsReviewed on 11/20/2024
Dr. Lessen is excellent. He listened to my concerns and explained the condition as well as the plan of treatment. I would recommend him without reservations.
- 5 out of 5 starsReviewed on 10/28/2024
Excellent
- 5 out of 5 starsReviewed on 10/28/2024
Dr. Lessen shows great concerns and compassion for me whenever I visit his office, he always takes the time and listens to me concerning my health issues.
- 5 out of 5 starsReviewed on 10/26/2024
Total professionals
- 5 out of 5 starsReviewed on 10/5/2024
VERY PLEASED WITH DR. LESSEN
- 5 out of 5 starsReviewed on 9/30/2024
I was very impressed with Dr. Lessen and his staff.
- 5 out of 5 starsReviewed on 9/16/2024
Very good
- 5 out of 5 starsReviewed on 9/11/2024
I could not ask for a better doctor than Dr. Lessen. He is so attentive, caring and smart. I feel very fortunate to have him as my doctor.
- 5 out of 5 starsReviewed on 9/5/2024
5++++
- 5 out of 5 starsReviewed on 9/5/2024
Dr. Lessen was incredible. He reviewed what 2 MDs had in the notes and questioned why and what they told me. The Oncologists never explained and discussed possibilities the way MD. Lessen did. I felt like he really cared about me as a person.
- 5 out of 5 starsReviewed on 9/2/2024
EXCELLENT CARE
- 5 out of 5 starsReviewed on 8/1/2024
I was extremely pleased with my visit with Dr Lessen. He was extremely empathetic and patient and respectful to my concerns
- 5 out of 5 starsReviewed on 7/24/2024
Dr. Lessen is always the best if assisting me with my health issues.
- 5 out of 5 starsReviewed on 7/22/2024
I recommend Dr. Lessen all the time! He's wonderful.
- 5 out of 5 starsReviewed on 7/17/2024
Good
- 5 out of 5 starsReviewed on 7/16/2024
He's the best
- 5 out of 5 starsReviewed on 7/15/2024
Dr. Lessen is amazing. He is professional, knowledgeable, compassionate and very kind
- 5 out of 5 starsReviewed on 6/17/2024
NO COMPLAINTS.......
- 5 out of 5 starsReviewed on 6/10/2024
Great care and smart
- 5 out of 5 starsReviewed on 6/3/2024
Definitly did not feel rushed. Dr. Lessen showed a great deal of care and kindness. He sat down and looked me in the eye during the entire appointment.
- 5 out of 5 starsReviewed on 5/28/2024
Dr.Lessen and his team is very caring
- 5 out of 5 starsReviewed on 5/25/2024
All good
- 5 out of 5 starsReviewed on 5/24/2024
Very good is an understatement. I have been a patient of Doctor lessen for years. He is a truly amazing Doctor
- 5 out of 5 starsReviewed on 5/21/2024
Excellent doctor!!!
- 5 out of 5 starsReviewed on 5/13/2024
Great doctor! Always caring
- 5 out of 5 starsReviewed on 5/12/2024
DR. LESSEN IS CONSIDERATE AND VERY PATIENT FRIENDLY
- 5 out of 5 starsReviewed on 5/6/2024
Love Dr Lessen. Professional and intelligent in every way.
- 5 out of 5 starsReviewed on 5/6/2024
Great place for my care
- 5 out of 5 starsReviewed on 4/29/2024
Dr Lessen is one of the nicest doctors I have every had the pleasure of being a patient to. He is always listening and caring about me.