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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

KAREN LARSEN
NPI 1538099437
Internal Medicine - Medical Oncology in South Salt Lake, UT

Active since May 21, 2026
2544 S 300 E, SOUTH SALT LAKE, UT 84115(801) 793-3512 Get Directions Write a Review

NPPES record added: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karen Larsen NPPES

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

KAREN LARSEN (NPI 1538099437) is an individual medical oncology provider in South Salt Lake, Utah, licensed in Utah (6031374-3102) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1538099437
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameKAREN LARSEN
Location Address2544 S 300 ESouth Salt Lake, UT 84115-3241
Mailing Address2544 S 300 ESouth Salt Lake, UT 84115-3241
Phone(801) 793-3512
Sole ProprietorNo
Enumeration DateMay 21, 2026
NPPES CertifiedMay 21, 2026
✔ NPI 1538099437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in UT · 6031374-3102
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
2544 S 300 E, South Salt Lake, UT 84115
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Larsen's NPI number?

The NPI number for Karen Larsen is 1538099437. It was assigned to this individual provider in the NPPES registry on May 21, 2026.

Where is Karen Larsen located?

Karen Larsen practices at 2544 S 300 E, South Salt Lake, UT 84115. The listed phone number is (801) 793-3512.

What is Karen Larsen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Karen Larsen was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.