Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Ren, MD

Individual provider Orthopaedic Surgery Physician · NPI 1053881540

Mark Ren, MD is an Orthopaedic Surgery Physician in New York, New York. Licensed in New York. Registered with an NPI since 2018.

Licensed in
NY
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

535 E 70th St
New York, NY 10021-4823
Phone: (212) 606-1000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 341684 (NY)

Record details

NPI number1053881540
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2018
Last updated in NPPESFebruary 6, 2026
Certification dateFebruary 6, 2026

Other providers in New York