Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MACKENZIE ANNE STEFFEN
NPI 1699605642
Physician Assistant - Medical in Hamburg, NY

Active since May 21, 2026
188 GEORGE ST, HAMBURG, NY 14075(716) 449-2269 Get Directions Write a Review

NPPES record added: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mackenzie Anne Steffen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACKENZIE ANNE STEFFEN (NPI 1699605642) is an individual medical provider in Hamburg, New York and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1699605642
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameMACKENZIE ANNE STEFFEN
Location Address188 GEORGE STHamburg, NY 14075-3848
Mailing Address188 George StHamburg, NY 14075-3848
Sole ProprietorNo
Enumeration DateMay 21, 2026
NPPES CertifiedMay 21, 2026
NPI 1699605642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
188 GEORGE ST, Hamburg, NY 14075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mackenzie Steffen's NPI number?

The NPI number for Mackenzie Steffen is 1699605642. It was assigned to this individual provider in the NPPES registry on May 21, 2026.

Where is Mackenzie Steffen located?

Mackenzie Steffen practices at 188 George St, Hamburg, NY 14075. The listed phone number is (716) 449-2269.

What is Mackenzie Steffen's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Mackenzie Steffen was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.