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

Katherine Irene Welter, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1265264972

Katherine Irene Welter, NP is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2024, 2 years ago. Practices with Rivia Medical PLLC, a 67-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
2
Licensed in
NY
In the registry since
2024
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

234 W Canton St
Boston, MA 02116-5814
Phone: (781) 608-2723
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 274 Madison Ave Rm 1501, New York, NY 10016-0701 — (212) 203-1773

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence F406150 (NY)

Record details

NPI number1265264972
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 20, 2024
Last updated in NPPESJuly 8, 2025
Certification dateJuly 8, 2025

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 Rivia Medical Pllc — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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