MARYELLEN HORGAN P.A.
NPI 1083892566
Physician Assistant - Surgical in Boston, MA

Active since February 06, 2008PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 27, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maryellen Horgan P.a. NPPES

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

MARYELLEN HORGAN P.A. (NPI 1083892566) is an individual surgical provider in Boston, Massachusetts, licensed in Massachusetts (875) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083892566
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameMARYELLEN HORGANCredential: P.A.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Enumeration DateFebruary 6, 2008
Last NPPES UpdateJune 27, 2019
NPI 1083892566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in MA · 875
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Maryellen Horgan P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Maryellen Horgan's NPI number?

The NPI number for Maryellen Horgan is 1083892566. It was assigned to this individual provider in the NPPES registry on February 6, 2008.

Where is Maryellen Horgan located?

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

What is Maryellen Horgan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Maryellen Horgan enrolled in Medicare?

Yes. Maryellen Horgan is registered in the Medicare PECOS enrollment system.

What insurance does Maryellen Horgan accept?

Health plans from Anthem Blue Cross and Blue Shield list Maryellen Horgan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maryellen Horgan was last updated on June 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.