C. Ronald MacKenzie, MD

New York rheumatology specialists keep C. Ronald MacKenzie, MD on speed dial. At 535 E 70th St, 6th floor—right above the East River—practitioners send patients here for complex autoimmune care. The office handles everything from joint injections to osteoporosis prevention with a quiet focus that skips the usual fanfare.

Antibody panels, bone density scans, and gout treatment sit beside inflammatory-myopathy workups and lupus management. They also oversee post-surgical joint recoveries and persistent unexplained musculoskeletal pain. Across the neighborhood, the practice is the default stop when primary docs need a deeper dive.

Call (212) 606-1669 to secure an arrival slot, then follow the map for seamless directions to the 6th floor elevator lobby. The place hums with the usual Upper East Side quiet—no frills, just results.