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

Rachael Marie Nieznajomski, PA

Individual provider Physician Assistant · NPI 1306152657

Rachael Marie Nieznajomski, PA is a Physician Assistant in Littleton, Massachusetts. Qualified in 2010, 16 years ago. Practices with Emerson Practice Associates, Inc, a 247-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Licensed in
MA
In the registry since
2010
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

830 Constitution Ave
Littleton, MA 01460
Phone: (978) 287-8990
Fax: (978) 679-1825
Show map & directions

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

Additional practice locations (1)

  • 123 Summer St, Worcester, MA 01608-1216 — (781) 438-0745

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA4023 (MA)

Record details

NPI number1306152657
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 25, 2010
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Emerson Practice Associates, Inc — 247 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare