
Overview
Dr. Eisenstat has been practicing family and geriatric medicine in Union since 1986. He is experienced in the diagnosis and management of adult diseases including hypertension, diabetes, lipid disorders, dementia and preventive medicine, and is board-certified in family and geriatric medicine. He received his bachelor of science degree in pharmacy from the Massachusetts College of Pharmacy and his medical degree is from the Ohio University College of Osteopathic Medicine. He is medical director of Cornell Hall Convalescent Center in Union and has been assistant clinical professor at Rowan School of Osteopathic Medicine and New York College of Osteopathic Medicine. He has been named “Top Doctor” by Castle Connolly for 15 years in the New York Metro Area in New York Magazine, Inside New Jersey, New Jersey Savvy Magazine and Consumers Magazine.
Dr. Eisenstat is rated as an Experienced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Sitosterolemia, Coronary Heart Disease, Non-Hodgkin Lymphoma, and Familial Hypertension.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- MEDICARE SNP
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- PPO
- EPO
- PPO
- EPO
- HMO
- PPO
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1000 Galloping Hill Road, Suite 108, Union, NJ 07083
Ruchi Mathur is a primary care provider, practicing in Family Medicine in Sleepy Hollow, New York. Dr. Mathur is rated as a Distinguished provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). Her top areas of expertise are Small Bowel Bacterial Overgrowth, Diarrhea, Irritable Bowel Syndrome (IBS), Intrauterine Device Insertion, and Endoscopy.
Jonathan Chang is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Peptic Ulcer, High Cholesterol, Cellulitis, and Necrosis.
Joseph Aboujaoude is a Gastroenterologist and a Geriatrics provider in Staten Island, New York. Dr. Aboujaoude is rated as an Advanced provider by MediFind in the treatment of Irritable Bowel Syndrome (IBS). His top areas of expertise are Diverticular Disease, Menetrier Disease, Chronic Erosive Gastritis, and Irritable Bowel Syndrome (IBS).
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Coronary Heart DiseaseDr. Eisenstat isDistinguished. Learn about Coronary Heart Disease.
- SitosterolemiaDr. Eisenstat isDistinguished. Learn about Sitosterolemia.
- Advanced
- AtherosclerosisDr. Eisenstat isAdvanced. Learn about Atherosclerosis.
- Childhood Iron Deficiency AnemiaDr. Eisenstat isAdvanced. Learn about Childhood Iron Deficiency Anemia.
- Familial HypertensionDr. Eisenstat isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable AldosteronismDr. Eisenstat isAdvanced. Learn about Glucocorticoid-Remediable Aldosteronism.
- High CholesterolDr. Eisenstat isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Eisenstat isAdvanced. Learn about Hypertension.
- Experienced
- Acute CystitisDr. Eisenstat isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Eisenstat isExperienced. Learn about Acute Kidney Failure.
- Antisynthetase SyndromeDr. Eisenstat isExperienced. Learn about Antisynthetase Syndrome.
- ApoplexyDr. Eisenstat isExperienced. Learn about Apoplexy.
- Atrial FibrillationDr. Eisenstat isExperienced. Learn about Atrial Fibrillation.
- Atrial Septal Defect (ASD)Dr. Eisenstat isExperienced. Learn about Atrial Septal Defect (ASD).

