Marissa N. Karpoff, MD


Cooper University Health Care Titles

  • Rheumatologist

Cooper Medical School of Rowan University Titles

  • Assistant Professor of Medicine

Board Certifications

  • American Board of Internal Medicine (Rheumatology)
  • American Board of Internal Medicine (Internal Medicine - General)

Professional Type

Cooper University Physician



About Me

What Dr. Karpoff's patients are saying
(source: Press-Ganey Patient Satisfaction Surveys) 

Dr. was very nice and explained my medical conditions to me. I didn't feel rushed or ignored all questions I asked was answered and explained to me. Would definitely recommend her.

Marissa Karpoff is excellent. She communicates with me via 'My Chart' in an extremely timely manner and goes above and beyond in her care.

Good - explained how we would deal with multiple issues.

My doctor cares about my well-being every time I go to see her she's very concerned an attentive she responds to all of my calls or messaging immediately.

Dr. was very attentive to my needs.

I felt Dr. Karpoff and Lizette were both very pleasant and professional.

I found my experience at Cooper physicians group exceptional Dr. Karpoff just one of the most professional doctors I've come across knowledgeable in her field and I feel extremely confident that with her help I will regain a full recovery.

Most pleasant Dr. I've met in a long time.

I appreciate the care Dr. Karpoff has given to me through the years under her care. And all the services at Cooper.

Office Locations

Cherry Hill, Willingboro
Cooper Bone and Joint Institute at Cherry Hill

2339 Route 70 West
2nd Floor
Cherry Hill, NJ 08002
Phone: 856.751.6464
Fax: 856.536.1471
Maps & Directions

Cooper Internal Medicine and Specialty Care at JFK

651 John F. Kennedy Way
Willingboro, NJ 08046
Phone: 609.835.2838
Fax: 609.589.3841
Maps & Directions

Education & Training

Medical SchoolTulane University School of Medicine, New Orleans, LA
InternshipInternal Medicine - Mount Sinai Hospital, New York, NY
ResidencyInternal Medicine - Mount Sinai Hospital, New York, NY
FellowshipRheumatology - Hospital of the University of Pennsylvania, Philadelphia, PA

Special Interests

Inflammatory arthritis, osteoarthritis, geriatrics


  • American College of Rheumatology