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Dr. Mary L. Guan, a rheumatologist based in Brooklyn, NY, practices with New York University.
Key facts
- Specialty
- Rheumatologist
- Practice
- New York University
- Address
- 150 55th St, Brooklyn, NY 11220
- Phone
- (718) 630-7000
- Other locations
- 301 E 17th St, New York, NY 10003; 324 E 23rd St, New York, NY 10010
- Medical school
- University of Michigan Medical School (2019)
- Hospital affiliations
- NYU Langone Hospitals
- Medicare assignment
- Accepts
- NPI number
- 1346703089
- NY license no.
- 316220
University of Michigan Medical School is where Dr. Guan went to medical school, graduating in 2019.
New York University's Brooklyn location at 150 55th St, Brooklyn, NY 11220 is where Dr. Guan sees patients — appointments by phone at (718) 630-7000. Other listed locations: 301 E 17th St, New York, NY 10003; 324 E 23rd St, New York, NY 10010. 6134 clinicians bill Medicare through New York University, so it is a large group practice rather than a solo office. For Medicare patients: Dr. Guan accepts assignment.
On the hospital side, Dr. Guan holds an affiliation with NYU Langone Hospitals.
Seen Dr. Guan recently? Share how your visit went.
Medicare, Medicaid and hospitals
- New York Medicaid
- Enrolled fee-for-service provider since 2025. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- NYU Langone Hospitals
Comparing rheumatologists? See 12 in Brooklyn or 109 across New York City.
Other rheumatologists in Brooklyn
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Dr. Joshua R. Scheers-Masters, MDRheumatologist · Maimonides Medical Center - Rheumatology FppNo reviews yetBrooklyn, NY
Dr. Michael Malekan, DORheumatologist · Kings Physician Services PCNo reviews yetBrooklyn, NY
Dr. Neha Ohri, MDRheumatologist · Advantagecare Physicians PCNo reviews yetBrooklyn, NY
Dr. Rauno O. Joks, MDRheumatologist · University Physicians of Brooklyn, Inc.No reviews yetBrooklyn, NY
Dr. Tasneem S. Ahmed, MDRheumatologist · Mercy Medical Care PCNo reviews yetBrooklyn, NYWrite a review
Frequently Asked Questions
With New York University, at 150 55th St, Brooklyn, NY 11220.
Call the office at (718) 630-7000.
Yes — Dr. Guan accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
NYU Langone Hospitals.
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