1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Physician Assistant
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KLAUDIA MARIA SZMACINSKI
NPI 1013834811
Physician Assistant in Boston, MA

Active since July 01, 2026
243 CHARLES ST, BOSTON, MA 02114(617) 573-5550 Get Directions Write a Review

NPPES record last updated: October 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 29, 2026, Jul 7, 2026 (2 updates tracked since 2026).

About Klaudia Maria Szmacinski NPPES

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

KLAUDIA MARIA SZMACINSKI (NPI 1013834811) is an individual physician assistant in Boston, Massachusetts and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1013834811
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKLAUDIA MARIA SZMACINSKI
Location Address243 CHARLES STBoston, MA 02114-3002
Mailing Address243 Charles StBoston, MA 02114-3002 · (617) 573-5550
Phone(617) 573-5550
Sole ProprietorYes
Enumeration DateJuly 1, 2026
Last NPPES UpdateOctober 29, 20262 updates tracked since enumeration
NPPES CertifiedOctober 29, 2026
✔ NPI 1013834811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
243 CHARLES ST, Boston, MA 02114
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARLA PETERSEN AU.D., CCC-A
Audiologist
243 CHARLES ST, AUDIOLOGY DEPARTMENT
BOSTON, MA 02114
Suffolk County (617) 573-3266
DR. SULEMAN IMRAN KHAN MD
Ophthalmology
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-4443
DR. RYAN CARLSON MD PHD
Student in an Organized Health Care Education/Training Program
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 523-7900
MASSACHUSETTS EYE AND EAR INFIRMARY
Eyewear Supplier
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3182
DANIEL ROBERT LEFEBVRE M.D.
Ophthalmology
243 CHARLES ST, 10TH FLOOR -- OPHTHALMIC PLASTIC SURGERY
BOSTON, MA 02114
Suffolk County (617) 523-7900
ELLIOTT D. KOZIN MD
Otolaryngology
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-6545
DR. LUCIA K SOMBERG MD, MPH
Emergency Medicine
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3431
MS. JANET ENGLISH HUETTIG LICSW
Social Worker (Clinical)
243 CHARLES ST
BOSTON, MA 02114
Suffolk County (617) 573-3548

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 Klaudia Szmacinski's NPI number?

The NPI number for Klaudia Szmacinski is 1013834811. It was assigned to this individual provider in the NPPES registry on July 1, 2026.

Where is Klaudia Szmacinski located?

Klaudia Szmacinski practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-5550.

What is Klaudia Szmacinski's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Klaudia Szmacinski was last updated on October 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.