Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Catherine Welder, NP

Individual provider Nurse Practitioner · NPI 1689446510

Catherine Welder, NP is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2024, 2 years ago. Practices with Rosebud Indian Health Service, a 78-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
2
Licensed in
MA
In the registry since
2023
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

100 Cambridge St
Boston, MA 02114-2509
Phone: (617) 643-7289
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2285941 (MA)

Record details

NPI number1689446510
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 24, 2023
Last updated in NPPESDecember 27, 2025
Certification dateDecember 27, 2025
Mailing address36 Grandview Ave, Medford, MA 02155-2933

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Rosebud Indian Health Service — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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