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

Dr. Leon Seifert, MD

Individual provider Hospitalist Physician · NPI 1508678871

Dr. Leon Seifert, MD is a Hospitalist Physician in New York, New York. Licensed in New York. Registered with an NPI since 2025.

Licensed in
NY
In the registry since
2025
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

1230 York Ave # 64
New York, NY 10065-6399
Phone: (212) 327-7009
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence P120024 (NY)

Record details

NPI number1508678871
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 23, 2025
Last updated in NPPESJanuary 23, 2025
Certification dateJanuary 23, 2025

Other providers in New York