Individual provider · Type 1 NPI

Catherine Welder, NP

Nurse Practitioner · Boston, MA

NPI number 1689446510 Active

Practice location

100 Cambridge St
Boston, MA 02114-2509

Mailing address

36 Grandview Ave
Medford, MA 02155-2933

Specialties and licenses

TaxonomyCodeLicense
Nurse Practitioner Primary 363L00000XRN2285941 (MA)

Nurse Practitioner: (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance wit…

34 other providers at this address

Other nurse practitioner providers in Boston

See all in Boston →

About NPI 1689446510

Catherine Welder, NP's National Provider Identifier is 1689446510, issued on Oct 24, 2023. The primary taxonomy on file is Nurse Practitioner (363L00000X), and the practice location is in Boston, MA. The record was last updated on Dec 27, 2025.