MELISSA ORTON APRN
NPI 1245904473
Nurse Practitioner in Salt Lake City, UT

Q: What is Melissa Orton's NPI number?

The NPI number for Melissa Orton is 1245904473. It was assigned to this individual provider in the NPPES registry on August 2, 2021. The provider is also known as Melissa Nielsen.

Q: What is Melissa Orton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Orton was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 02, 2021

50 N MEDICAL DR, SALT LAKE CITY, UT 84132(801) 581-2747 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2026, Apr 23, 2026, Jan 16, 2026 and 3 more (6 updates tracked since 2021).

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About Melissa Orton Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA ORTON APRN (NPI 1245904473) is an individual nurse practitioner in Salt Lake City, Utah, licensed in Utah (7944286-4405) and active in the NPI registry since August 2021. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1245904473

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMELISSA ORTONCredential: APRN

Location Address50 N MEDICAL DRSalt Lake City, UT 84132-0001

Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128

Phone(801) 581-2747

Sole ProprietorNo

Enumeration DateAugust 2, 2021

Last NPPES UpdateMay 7, 20266 updates tracked since enumeration

NPPES CertifiedMay 7, 2026

✔ NPI 1245904473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in UT · 7944286-4405✔ Licensed in ID · 1971482

Definition

(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 with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Neonatal, Critical CareTaxonomy 363LN0005X · License 7944286-4405 (UT)

50 N MEDICAL DR, Salt Lake City, UT 84132

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Other Names 1

Former Name (1)Melissa Nielsen

Secondary Practice Locations 2

Location 1100 N Mario Capecchi DrSalt Lake City, UT 84113-1103 · Phone (801) 662-4000

Location 2190 E Bannock StBoise, ID 83712-6241 · Phone (208) 381-2088 · Fax (208) 381-2893

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

UNIVERSITY OF UTAH ADULT SERVICES

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