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BEST RATED NEW YORK CITY, NY ENDOCRINOLOGISTS

3 Best Endocrinologists in New York City, NY

Expert-recommended Top 3 Endocrinologists in New York City, NY. All of our endocrinologists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

Harry Gruenspan, MD - New York City, NY Endocrinologists
Harry Gruenspan, MD - New York City, NY Endocrinologists
4+ YEARS IN TBR
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HARRY GRUENSPAN, MD

(4.8 Score)
MAIDEN LANE MEDICAL
110 East 60th Street, Suite 903,
New York City, NY 10022 Directions

Since 1986

Specialty:

✓ Diabetes ✓ Hypertension ✓ Reproductive Endocrinology ✓ Pituitary Disease ✓ Thyroid Disease ✓ Calcium and Bone Metabolism ✓ Cardiovascular Disease Prevention

"Dr. Harry Gruenspan is board-certified in Endocrinology, Internal Medicine, and Metabolism and has over 40 years of experience. Dr. Harry Gruenspan obtained his MD and Ph.D from the University of Miami. He completed his internship and residency in Internal Medicine at New York Hospital, Weill/Cornell Medical Center. He pursued a fellowship in Endocrinology at Weill Cornell/Memorial Sloan Kettering Cancer Center. Dr. Harry Gruenspan has an additional certification as a Hypertension Specialist from the American Society. Dr. Harry Gruenspan practices at Maiden Lane Medical.

2026 Update: Dr. Harry Gruenspan focuses on treating thyroid disease, Type I and Type II diabetes, pituitary disorders, menstrual problems, hirsutism, and osteoporosis. Maiden Lane Medical provides personalized, state-of-the-art care tailored to each patient’s needs and treatment goals. The hospital is equipped with advanced technology and offers a range of medical specialties for patients of all ages."

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License #152555

Contact:

(646) 290-9560

Mon & Wed: 9am - 6pm
Tue,Thu & Fri: 9am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Clifton M. Jackness, MD - New York City, NY Endocrinologists
Clifton M. Jackness, MD - New York City, NY Endocrinologists
Clifton M. Jackness, MD - New York City, NY Endocrinologists
Best Endocrinologists in New York City NY - Clifton M. Jackness, MD - PARK AVENUE ENDOCRINOLOGY video
8+ YEARS IN TBR
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CLIFTON M. JACKNESS, MD

(4.8 Score)
PARK AVENUE ENDOCRINOLOGY
103 East 75th Street,
New York City, NY 10021 Directions

Since 2006

Specialty:

✓ Chronic Diabetes ✓ Diabetic Emergency ✓ Enlarged Thyroid ✓ High Cholesterol ✓ Osteoporosis ✓ Overactive Thyroid ✓ Parathyroid Gland Disorder ✓ Problems With Testicular Function ✓ Underactive Thyroid ✓ Bone Disease

"Dr. Clifton M. Jackness is board-certified in endocrinology, diabetes, and metabolism. He graduated with an MD from Yale University and a medical degree from Albert Einstein College of Medicine. Dr. Clifton has garnered recognition for his exceptional clinical skills, compassionate care, and dedication to teaching. His success in the field stems from his collaborative approach with patients and fellow healthcare professionals. He actively engages in research projects exploring Type 2 diabetes, obesity, and the hormonal changes associated with weight loss and bariatric surgery. Dr. Clifton strongly believes in tailoring medical care to each individual. His expertise in male hypogonadism and testosterone deficiencies has led to his selection as a reviewer for research articles on these topics for Medical Page Today. Dr. Clifton M. Jackness practices at Park Avenue Endocrinology.

2026 Update: Dr. Clifton M. Jackness completed his internship and residency in Internal Medicine at The Mount Sinai Medical Center and a fellowship in endocrinology, bone disease, diabetes, and metabolism at Columbia University Medical Center."

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License #250208

Contact:

(212) 772-7628

Mon-Thu: 9am - 5pm
Fri: 9am - 1pm
Sat & Sun: Closed

TBR® Inspection Report:

Elise M. Brett, MD, PC - New York City, NY Endocrinologists
3+ YEARS IN TBR
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ELISE M. BRETT, MD, PC

(4.6 Score)
112 East 84th Street,
New York City, NY 10028 Directions

Since 1994

Specialty:

✓ Diabetes ✓ Hypothyroidism ✓ Hypogonadism ✓ Polycystic Ovary Syndrome (PCOS) ✓ Adrenal Disease ✓ Male Hypogonadism ✓ Osteoporosis ✓ Parathyroid Disease ✓ Pituitary Disease ✓ Thyroid Disease Dysfunction ✓ Thyroid Nodules

"Dr. Elise M. Brett is a board-certified endocrinologist. She obtained her B.S. from the University of Michigan and her M.D. degree from Mount Sinai School of Medicine. She is also a Certified Nutrition Support Clinician and holds endocrine certifications in neck ultrasound. Dr. Brett is dedicated to providing comprehensive medical evaluations and testing to identify the underlying causes of various health issues. She aims to restore patients' health and well-being through personalized medical treatments and lifestyle modifications. Her practice utilizes state-of-the-art technology for comprehensive testing and offers cutting-edge treatments to address endocrine system diseases.

2026 Update: Dr. Elise M. Brett has been actively involved with the American Association of Clinical Endocrinology (AACE) for many years. She has contributed chapters to textbooks on thyroid cancer, nutrition, and obesity, and has authored numerous peer-reviewed publications and clinical practice guidelines on the topics of thyroid cancer, obesity, adrenal disease, parathyroid disease, and nutrition. She has lectured locally and nationally on diabetes, obesity, thyroid disease, parathyroid disease, and nutrition support."

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License #1407963424

Contact:

(212) 831-2100

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

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HARRY GRUENSPAN, MD REVIEWS

I am extremely happy with Dr Greenspan. I am very quick to dump a dunce. For over 20 years this doc has never disappointed. Very careful, he thinks before he acts! Brilliant. I have no complaints only that he is too popular now and I have to wait too long to see him.

Dr. Greunspan was very thorough and knowledgeable, as well as his medical staff, specifically his medical assistant Laura. Went in for a second opinion and I'm extremely satisfied.

Very nice doctor, thorough and logical. Would definitely recommend for your endocrinology needs. The staff is also very pleasant.

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CLIFTON M. JACKNESS, MD REVIEWS

Dr. Jackness is a very caring doctor. Friendly and professional. He is very responsive and works to help me feel my best.

Dr. Jackness is knowledgeable, thorough and easy to talk to. I have consistently had an excellent experience in his care.

The dr and staff are amazing! You can tell they really care for each individual person. I’m so happy I found this Dr.

ELISE M. BRETT, MD, PC REVIEWS

Dr. Brett is an excellent clinician who spends a good deal of time with her patients but runs on time and has never kept me waiting for more than a few minutes. I’m very impressed by her professionalism and knowledge. Her office is run very well.

I was treated extremely well at the front desk with minimal (if any) wait time. The staff was quick and quite efficient. Dr Brett was sincere and thorough. The doctor explained all issues with a plan and concern I was impressed and grateful.

I have been seeing Dr. Elise Brett for several years. She has always shown herself to be highly competent, professional, caring, and thorough. Dr. Brett provides all options for treatment and is well-versed in the latest research data. I trust her implicitly and would highly recommend her.

TBR® Inspection Score Report

HARRY GRUENSPAN, MD Total Inspection Points: 115/120
Business Hours: 8
Business Images: 8
Complete Info: 9
Acknowledgments: 10
Contact Info: 10
Current Evaluation: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Accuracy of : 10
Social Media: 10

TBR® Inspection Score Report

CLIFTON M. JACKNESS, MD Total Inspection Points: 114/120
Business Hours: 8
Complete Info: 9
Current Evaluation: 9
Experience: 9
Reviews Accuracy of : 9
Business Images: 10
Contact Info: 10
Exact Services: 10
Legitimate Ratings: 10
Location Proximity: 10
Online Appointment: 10
Social Media: 10

TBR® Inspection Score Report

ELISE M. BRETT, MD, PC Total Inspection Points: 111/120
Business Hours: 8
Business Images: 8
Review Analysis: 8
Acknowledgments: 9
Complete Info: 9
Current Evaluation: 9
Contact Info: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Social Media: 10