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

Madison Sierra Nieves

Individual provider Surgical Physician Assistant · NPI 1467275065

Madison Sierra Nieves is a Physician Assistant in Buffalo, New York. Qualified in 2025, 1 year ago. Practices with Buffalo Emergency Associates LLP, a 54-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
1
Licensed in
NY
In the registry since
2024
Specialties on file
3
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

38 Plymouth Ave
Buffalo, NY 14201-1722
Phone: (571) 524-0198
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 034570 (NY)
Surgical Physician Assistant Taxonomy 363AS0400X (NY)
Medical Physician Assistant Taxonomy 363AM0700X (NY)

Record details

NPI number1467275065
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 4, 2024
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Buffalo Emergency Associates Llp — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Buffalo