Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

MS. Melissa A Welter, NP

Individual provider Family Nurse Practitioner · NPI 1790299980

MS. Melissa A Welter, NP is a Nurse Practitioner in Lewiston, Idaho. Qualified in 2017, 9 years ago. Practices with Catalyst Medical Group PLLC, a 31-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Idaho and Washington.

Years since qualifying
9
Licensed in
ID, WA
In the registry since
2017
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

2315 8th St
Lewiston, ID 83501-7301
Phone: (208) 298-3094
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1475 N Cole Rd, Boise, ID 83704-8537 — (208) 809-2880

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 57028 (ID)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP60819908 (WA)

Record details

NPI number1790299980
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 27, 2017
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Catalyst Medical Group Pllc — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Colleagues at Catalyst Medical Group PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 31 clinicians in the practice; 12 are shown here.

Other providers in Lewiston