NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Elizabeth Trahan, MSN, APRN, AGPCNP-BC

Adult Health Nurse Practitioner in Lowell, MA · enumerated 2021 · practices at Jack Chang MD PC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1053994558

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mary Elizabeth Trahan
Credential MSN, APRN, AGPCNP-BC
Sex Female
Practice address 706 Rogers St, Lowell, MA, 01852
Phone (978) 937-9333
Fax (978) 937-9992
Enumeration date May 3, 2021
Last updated in NPPES Oct 14, 2021

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 084593-23 (NH) Secondary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2289980 (MA) Primary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Trahan?
The National Provider Identifier (NPI) for Mary Trahan is 1053994558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Trahan practice?
The practice location on file with NPPES is in Lowell, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-14.