5
1 Rating with 1 written Review
Summary
Dr. Jill Feffer is an endocrinologist who specializes in diabetes and metabolism, with additional training in internal medicine. She earned her medical degree from New York University School of Medicine and has been practicing for 13 years. Dr. Feffer speaks English and focuses her expertise on helping patients manage complex metabolic conditions.
Dr. Feffer practices at Mount Sinai Morningside and Elmhurst Hospital Center in New York. She treats patients with type 2 diabetes and helps manage high blood sugar emergencies. Her practice includes caring for children with elevated blood sugar levels, and she performs continuous glucose monitoring to help patients track their glucose levels effectively. Patients consistently rate Dr. Feffer highly, giving her an average rating of 5.0 stars.
Dr. Feffer practices at Mount Sinai Morningside and Elmhurst Hospital Center in New York. She treats patients with type 2 diabetes and helps manage high blood sugar emergencies. Her practice includes caring for children with elevated blood sugar levels, and she performs continuous glucose monitoring to help patients track their glucose levels effectively. Patients consistently rate Dr. Feffer highly, giving her an average rating of 5.0 stars.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 13 years of experience
- speaks English
- New York University School Of Medicine
- 1 written review
- 2 specialties
- 2 areas of expertise
- 2 hospital affiliations
- 3 office locations
- Female
Patients’ Perspective
- Had a good bedside manner
- Provided follow-up after the visit
Based on patient feedback. Read the reviews
Office Locations
Dr. Jill Brett Feffer has 3 locationsOptum Medical
317 E 34th StNew York, NY 10016 Tel: (212) 726-7400
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Jill Brett Feffer, MD | Dr. Tirissa Jean Reid, MD | Dr. Tamar Reisman, MD | Jiali Fang, MD |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | ||
| 13 Years of Experience | 22 Years of Experience | 15 Years of Experience | 8 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| Elmhurst , NY | New York , NY | New York , NY | New York , NY |
| Med School: New York University School Of Medicine | Med School: Albert Einstein College Of Medicine Of Yeshiva University | Med School: Rutgers New Jersey Medical School | Med School: Northwestern University Feinberg School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jill Brett Feffer
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Jill Brett Feffer has the following 2 specialties
Specialty Expertise
Dr. Jill Brett Feffer has the following 2 areas of expertise
Certifications, License, & Education
13 Years Experience
Dr. Jill Brett Feffer holds an expired medical license in the state of New York.
Medical License
Medical Doctor with an expired medical license in the state of New York that expired in 2026.
Education & Training
Medical School
Graduated from New York University School Of Medicine in 2013.
NPI Number
Dr. Feffer's NPI number is 1588906267.
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Frequently Asked Questions
- Where is Dr. Jill Feffer's office located?
- Dr. Jill Feffer's office is located at 7901 Broadway, Elmhurst, NY, 11373.
- Which hospitals is Dr. Jill Feffer affiliated with?
- Dr. Jill Feffer is affiliated with Mount Sinai Morningside and Elmhurst Hospital Center.
- How can I make an appointment with Dr. Jill Feffer?
- You can find contact information for Dr. Jill Feffer here on Vitals.
- Does Dr. Jill Feffer accept virtual/telehealth appointments?
- Dr. Jill Feffer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Jill Feffer accept my insurance?
- You can see the insurance plans that Dr. Jill Feffer accepts on their Vitals profile.
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