Alexander Kolessa, MD

Geriatric Medicine
Alexander Kolessa image
5 out of 5, 
Hackensack Meridian Medical Group (HMG) Logo
Accepting new patients

HMH-Geriatric Medicine-Hackensack

360 Essex Street, Suite 401 Hackensack, NEW JERSEY 07601-8566

Provider Information

Specialties

Geriatric Medicine

Languages

English
Russian

Age groups seen

Adults Over 65

Hospital affiliations

Hackensack Meridian Medical Group
Hackensack University Medical Center

Education

New York University Langone Medical Center
Fellowship, Geriatric Medicine, 2010
St. Peters University Hospital
Residency, Internal Medicine, 2009
Einstein General Surgery at Klein
Residency, Surgery (General Surgery), 2005
Robert Wood Johnson Medical School
Medical Education

Certifications

Geriatric Medicine - American Board of Internal Medicine - 2010
Internal Medicine - American Board of Internal Medicine - 2009

Verified Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
5 out of 5
123 ratings,
35 reviews
12/2/2025
Dr. Kolessa is a wonderful doctor
11/28/2025
I was very impressed with Dr. Alexa der. He dealt with me directly.Usually I tell my concern to someone else, then I have to tell the doctor all over again. He was very thorough and spent more than the usual time with me.It was a very good experience.
11/25/2025
Very happy. He and I understand each other. I am hard of hearing and he speaks my lunch.
11/25/2025
Everyone in that practice is friendly, cheerful, and professional. I consider myself lucky to be a patient there and do recommend it to others.
11/17/2025
Dr. Kolessa was an absolutely wonderful doctor to be with. He answered every question. He went over everything continuously and very, very, very, very good. Thank you so much. We really love Dr. Kolessa. Thank you.

Insurance Coverage

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Map & Directions

HMH-Geriatric Medicine-Hackensack

360 Essex Street, Suite 401 Hackensack, NEW JERSEY 07601-8566