RG
41 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gelfand, Endocrinologist in New London, CT?
Dr. Robert Gelfand, MD is an Endocrinologist, who primarily practices in New London, CT with 2 additional practice locations. He has been practicing for over 41 years and is board certified. Dr. Gelfand completed his residency at Yale Univ Sch Of Med, Endocrinology, Diabetes & Metabolism; Bellevue Hosp Ctr, Internal Medicine. Dr. Gelfand is fluent in English, and is currently seeing new patients. Dr. Gelfand’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gelfand’s office.
Where did Dr. Gelfand go to medical school and complete their residency?
Residency: Yale Univ Sch Of Med, Endocrinology, Diabetes & Metabolism; Bellevue Hosp Ctr, Internal Medicine
Medical School: Yale University School of Medicine
Is Dr. Gelfand board certified as an Endocrinologist?
Yes, Dr. Robert Gelfand, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Gelfand speak?
Dr. Gelfand and their clinical team can communicate with patients in the following languages:
English
What conditions does an Endocrinologist like Dr. Gelfand typically treat?
As an Endocrinologist, Dr. Gelfand diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Gelfand. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Long-Term Insulin Use
- Diabetes Medicines
- Chronic insulin therapy
- Ongoing insulin treatment
- Insulin for diabetes
ICD-10 Codes:
- Z794: Long term (current) use of insulin
Also known as:
- Adverse Reaction to Glucocorticoid Medications
- Drug Reactions
- Glucocorticoid side effects
- Steroid medication adverse effects
- Synthetic glucocorticoid reaction
ICD-10 Codes:
- T380X5A: Adverse effect of glucocorticoids and synthetic analogues, initial encounter
Also known as:
- Diabetes Medication Side Effect
- Drug Reactions
- Insulin Reaction
- Antidiabetic Drug Reaction
- Adverse Reaction to Diabetes Drugs
ICD-10 Codes:
- T383X5A: Adverse effect of insulin and oral hypoglycemic [antidiabetic] drugs, initial encounter
Also known as:
- Not Following Medicine Plan for Other Reasons
- Medication non-adherence
- Difficulty taking medicine
- Problems with medication regimen
ICD-10 Codes:
- Z91148: Patient's other noncompliance with medication regimen for other reason
Also known as:
- End-Stage Kidney Disease
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- ESRD
- End-Stage Renal Failure
ICD-10 Codes:
- N186: End stage renal disease
Also known as:
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
What procedures does an Endocrinologist like Dr. Gelfand typically perform?
As an Endocrinologist, procedures performed by Dr. Robert Gelfand may include:
- Adrenal Surgery
- Comparative Genomic Hybridization
- D and C / Vacuum Aspiration
- Diabetes Blood Sugar Management
- Diabetes Care - Kidney Disease Monitoring
- Diabetes Consultation
- Doppler Ultrasound
- Egg Freezing/ Fertility Preservation
Please contact Dr. Gelfand's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Gelfand accept my insurance?
Dr. Gelfand accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gelfand accept in New London, CT?
Dr. Gelfand in New London, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
Neighborhood Health Plan of Rhode Island
Point32Health
State of Connecticut
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Gelfand's office located?
What hospitals are Dr. Gelfand affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Gelfand has admitting privileges at the following hospitals:
Lawrence & Memorial Hospital,New London, CT
Ranked ObGyn Surgery

Ranked C-section surgery

Lawrence & Memorial Hospital,New London, CT
Ranked ObGyn Surgery
Ranked C-section surgery
Parrish Medical Center,Titusville, FL
Parrish Medical Center,Titusville, FL
What is Dr. Gelfand's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gelfand's National Provider Identifier (NPI) number is 1952338147.
What common questions do patients ask about Dr. Gelfand?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gelfand
What is Dr. Robert Gelfand's specialty?
Dr. Gelfand is an Endocrinologist near New London, CT.
What does an Endocrinologist do?
An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.
Is Dr. Robert Gelfand affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gelfand is affiliated with Lawrence & Memorial Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Endocrinologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Endocrinologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Robert Gelfand accepting new patients in New London, CT?
Yes, Dr. Robert Gelfand is accepting new patients at this time.
Does Dr. Robert Gelfand offer online booking?
Please contact Dr. Gelfand's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Robert Gelfand?
Please contact Dr. Gelfand's office to schedule an appointment.
Where is Dr. Gelfand's office located?
Dr. Gelfand's offices are located in New London, CT and New Haven, CT.
Which board certifications does Dr. Robert Gelfand have?
Dr. Robert Gelfand is certified by the American Board of Internal Medicine.
Other Endocrinologist Near New London, CT
RG
Endocrinologist
Dr. Rita Gonzalez, MD is an Endocrinologist, who primarily practices in Westerly, RI with 2 additional practice locations. She is board certified.
Westerly, RI
MW
Endocrinologist
Dr. Mae Whelan, MD is an Endocrinologist, who primarily practices in Pawcatuck, CT with 2 additional practice locations.
Pawcatuck, CT
SN
Endocrinologist
Dr. Saul Neuman, MD is an Endocrinologist, who primarily practices in East Lyme, CT with 1 additional practice location. He has been practicing for over 42 years and is board certified.
East Lyme, CT