Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

KAREN B ROSEN PA
NPI 1114982055
Physician Assistant - Medical in Boston, MA

Active since April 20, 2006
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-1000(617) 421-6084 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Karen B Rosen Pa NPPES

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

KAREN B ROSEN PA (NPI 1114982055) is an individual medical provider in Boston, Massachusetts, licensed in Massachusetts (248) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1114982055
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameKAREN B ROSENCredential: PA
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8053 · Fax (617) 421-3487
Fax(617) 421-6084
Sole ProprietorNo
Enumeration DateApril 20, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1114982055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in MA · 248
Also ListedPhysician AssistantTaxonomy 363A00000X · License 248 (MA)
133 BROOKLINE AVE, Boston, MA 02215

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.

Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215

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 Karen Rosen's NPI number?

The NPI number for Karen Rosen is 1114982055. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Karen Rosen located?

Karen Rosen practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-1000.

What is Karen Rosen'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 Karen Rosen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.