Dr. James Marcus, MD, Greenwich, CT | Internist

What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00

“Dr. Marcus is a top-notch doctor. He is extremely smart and thorough. It’s fairly rare to find a doctor these days who seems like they actually care about you and are listening to your concerns. Dr. Marcus most definitely does. I could not recommend him more highly!”

MALess than 1 month ago

About Dr. James Marcus

Dr. James H. Marcus is a board-certified internist and obesity medicine specialist with fellowship training in hepatology at Beth Israel Deaconess Medical Center, a Harvard Medical School affiliate. He founded Marcus Medicine in Greenwich, CT to treat obesity and fatty liver disease (MASLD/MASH) together — a combination rarely found in a single physician. Dr. Marcus prescribes FDA-approved GLP-1 therapies (semaglutide, tirzepatide, liraglutide) for weight loss and stays current with emerging MASLD/MASH treatments. He also sees patients with metabolic syndrome, type 2 diabetes, hypertension, and elevated liver enzymes. Marcus Medicine is a cash-pay boutique practice. Superbills provided.

Popular visit reasons

Abscess

Annual Check Up

Annual Physical

General Consultation

Glycosylated Hemoglobin Test

Illness

New Patient Visit

Ozempic / Wegovy (Semaglutide) Consultation

Abscess

Annual Check Up

Annual Physical

General Consultation

Office location

Marcus Medicine

4 Dearfield Dr, Ste 106, Greenwich, CT 06831

Get directions

Education and background

Practice names

Marcus Medicine

Board certifications

American Board of Internal Medicine

Education and training

Medical School - Tel Aviv University, Doctor of Medicine
The Jewish Hospital — Mercy Health (Residency)
Beth Israel Deaconess Medical Center (Fellowship)

Languages spoken

English

Provider's gender

Male

NPI number

1568716629

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

5.00

Wait time

5.00

Bedside manner

5.00

Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here

1 review

Most relevant

Dr. Marcus is a top-notch doctor. He is extremely smart and thorough. It’s fairly rare to find a doctor these days who seems like they actually care about you and are listening to your concerns. Dr. Marcus most definitely does. I could not recommend him more highly!

Less than 1 month agoMA

Frequently asked questions

How soon can I make an appointment with Dr. James Marcus?

Generally, Dr. James Marcus has appointments available on Zocdoc within 1 week. You can see Dr. Marcus's earliest availability on Zocdoc and make an appointment online.

Is Dr. James Marcus accepting new patients?

Dr. James Marcus generally accepts new patients on Zocdoc. You can see Dr. Marcus's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. James Marcus accept my insurance?

Choose your insurance plan to verify if Dr. Marcus is in-network.

Can I make an appointment with Dr. James Marcus online?

Yes, you can make an appointment online with Dr. Marcus using Zocdoc. It’s simple, secure, and free.

What practice does Dr. James Marcus work with?

Dr. James Marcus works with Marcus Medicine.

Where is Dr. James Marcus's office located?

Dr. James Marcus's office is located at 4 Dearfield Dr, Greenwich, CT 06831.

Which board certifications does Dr. James Marcus have?

Dr. James Marcus is certified by American Board of Internal Medicine.

What are common reasons for patients to see Dr. James Marcus?

Dr. James Marcus frequently sees patients for Annual Check Up, Annual Physical, General Consultation, Illness, and New Patient Visit. You can see other visit reasons for Dr. James Marcus on their profile.

What languages does Dr. James Marcus speak?

Dr. James Marcus speaks English.

How do patients rate Dr. James Marcus in reviews?

1 patients have reviewed Dr. James Marcus. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.