Division of Endocrinology
1305 York Avenue
4th Floor
New York, NY 10021
New and Existing Patients
Already a patient?
Login or sign-upto Connect Patient Portal to make an appointment
Locations and Appointments
New Patients
Insurances Accepted
Please contact the doctor's office to verify that your insurance is accepted.
AETNA
Aetna - NYP
Amida Care
Anthem Blue Cross Blue Shield
Anthem Blue Cross/Blue Shield
Anthem Blue Cross/Blue Shield Healthplus
CIGNA
EmblemHealth
Fidelis Care
Healthfirst
Healthspring
Local 1199
Molina Healthcare
Oxford Health Plans
Quality Health Management (QHM)
Rockefeller University/Luminare
United Healthcare
UnitedHealthcare
VNS Health
VNSNY CHOICE
About Naina Sinha Gregory, M.D.
Dr. Sinha specializes in metabolic bone diseases including osteoporosis and parathyroid disorders. She also specializes in obesity and the effects bariatric surgery on the endocrine system. She is a member of the islet transplantation team and is interested in the care of post-transplant diabetes.
Board Certifications
- Endocrinology, Diabetes and Metabolism
- Internal Medicine
Expertise
- Bariatric Surgery
- Calcium Disorder
- Calcium Metabolism Disorder
- Diabetes
- Diabetes Complications
- Diabetes In Pregnancy
- Diabetes Mellitus
- Diabetes Mellitus Type 1
- Diabetes Mellitus Type 2
- Diabetes Type 1
- Diabetes Type 2
- Endocrine Conditions In Pregnancy
- Graves' Disease
- Hashimoto's Thyroiditis
- Hyperparathyroidism
- Hyperthyroidism
- Hypoparathyroidism
- Hypothyroid
- Hypothyroidism
- Metabolic Bone Disease
- Osteoporosis
- Paget's Disease
- Pancreas Transplantation
- Parathyroid Disease
- Thyroid Disease
- Thyroid Disease Affecting Pregnancy
- Thyroid Disease During Pregnancy
- Thyroid Disease In Pregnancy
- Type 1 Diabetes
- Type 1 Diabetes Mellitus
- Type 2 Diabetes
- Vitamin D
- Vitamin D Deficiency
Education
- Fellowship: Columbia University College of Physicians & Surgeons
- Medical School: Columbia University College of Physicians & Surgeons
- Residency: Columbia University College of Physicians & Surgeons
Languages
- English
Titles & Positions
- Associate Attending Physician
- Associate Professor of Clinical Medicine
Hospital Affiliations
- NewYork-Presbyterian / Weill Cornell Medical Center
Education
- Medical School: Columbia University College of Physicians & Surgeons
- Residency: Columbia University College of Physicians & Surgeons
- Fellowship: Columbia University College of Physicians & Surgeons
Titles & Positions
- Associate Attending Physician
- Associate Professor of Clinical Medicine
Board Certifications
- endocrinology, diabetes and metabolism
- internal medicine
Languages Spoken
- english
Research
Bone microarchitecture assessed by High-resolution peripheral quantitative computed tomography in type 1 diabetes: the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications study.
October 22, 2025Approach to the Patient: Normocalcemic Primary Hyperparathyroidism.
February 18, 2025Diabetes Risk Factors and Bone Microarchitecture as Assessed by High-Resolution Peripheral Quantitative Computed Tomography in Adults With Long-standing Type 1 Diabetes.
September 01, 2024