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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SAMANTHA STEIN PA-C
NPI 1790604544
Physician Assistant in Watertown, MA

Active since July 14, 2026
376 ARSENAL ST, WATERTOWN, MA 02472(617) 923-2273(617) 744-0654 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 24, 2026, Jul 14, 2026 (2 updates tracked since 2026).

About Samantha Stein Pa-c NPPES

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

SAMANTHA STEIN PA-C (NPI 1790604544) is an individual physician assistant in Watertown, Massachusetts, licensed in Massachusetts (PA102962) and active in the NPI registry since July 2026. She maintains a secondary practice location in Arlington.

NPPES Registry Identity

NPI1790604544
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSAMANTHA STEINCredential: PA-C
Location Address376 ARSENAL STWatertown, MA 02472-2892
Mailing Address9 Strawberry LnStaten Island, NY 10312-6410 · (718) 702-6732 · Fax (999) 999-9999
Phone(617) 923-2273
Fax(617) 744-0654
Sole ProprietorNo
Enumeration DateJuly 14, 2026
Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1790604544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in MA · PA102962✔ Licensed in FL · PA9121911
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.
376 ARSENAL ST, Watertown, MA 02472
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Secondary Practice Location 1

Location 11398 Massachusetts AveArlington, MA 02476-4150 · Phone (781) 648-4572 · Fax (781) 646-0319

Other Providers at the Same Location NPPES 4

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

AMANDA T BOLBOTOWSKI PA-C
Physician Assistant
376 ARSENAL ST
WATERTOWN, MA 02472
Middlesex County (617) 923-2273
DRX UC WATERTOWN PC
Clinic/Center (Urgent Care)
376 ARSENAL ST
WATERTOWN, MA 02472
Middlesex County (617) 923-2273
ROSEMARY E POMPONIO M.D.
Family Medicine
376 ARSENAL ST
WATERTOWN, MA 02472
Middlesex County (617) 953-5817
SZU-PING HUANG PA-C
Physician Assistant
376 ARSENAL ST
WATERTOWN, MA 02472
Middlesex County (617) 923-2273

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 Samantha Stein's NPI number?

The NPI number for Samantha Stein is 1790604544. It was assigned to this individual provider in the NPPES registry on July 14, 2026.

Where is Samantha Stein located?

Samantha Stein practices at 376 Arsenal St, Watertown, MA 02472. The listed phone number is (617) 923-2273.

What is Samantha Stein'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 Samantha Stein was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.