ISABEL REGAN
NPI 1679401418
Physician Assistant in Boston, MA

Active since May 12, 2026
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Isabel Regan NPPES

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

ISABEL REGAN (NPI 1679401418) is an individual physician assistant in Boston, Massachusetts and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1679401418
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameISABEL REGAN
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address478 Shawmut Ave Apt 7Boston, MA 02118-3321 · (919) 441-2679
Sole ProprietorNo
Enumeration DateMay 12, 2026
NPPES CertifiedMay 12, 2026
NPI 1679401418 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.
300 LONGWOOD AVE, Boston, MA 02115

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Isabel Regan's NPI number?

The NPI number for Isabel Regan is 1679401418. It was assigned to this individual provider in the NPPES registry on May 12, 2026.

Where is Isabel Regan located?

Isabel Regan practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Isabel Regan'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 Isabel Regan was last updated on May 12, 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.