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

Madeleine Sedlack

Individual provider Registered Nurse · NPI 1104476563

Madeleine Sedlack is a Registered Nurse in New York, New York. Works from 3 locations. Licensed in Massachusetts and New York.

Licensed in
MA, NY
In the registry since
2019
Specialties on file
5
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

248 W 108th St
New York, NY 10025-2956
Phone: (212) 663-3000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114-2621 — (203) 321-6606
  • 301 Broadway, Chelsea, MA 02150-2807 — (617) 889-4860

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 404502 (NY)
Registered Nurse Taxonomy 163W00000X · Licence RN2328803 (MA)
Registered Nurse Taxonomy 163W00000X · Licence 851516 (NY)
Nurse Practitioner Taxonomy 363L00000X · Licence RN2328803 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence RN2328803 (MA)

Record details

NPI number1104476563
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 18, 2019
Last updated in NPPESAugust 7, 2024
Certification dateAugust 7, 2024

Other providers in New York