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DR. DALLIN OLLERTON MD
NPI 1023768959
Internal Medicine in Nephi, UT

Active since March 24, 2022

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 4, 2026, May 3, 2023, Mar 30, 2023 (3 updates tracked since 2023).

About Dr. Dallin Ollerton Md NPPES

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

DR. DALLIN OLLERTON MD (NPI 1023768959) is an individual internal medicine provider in Nephi, Utah, licensed in Utah (14269322-1205) and active in the NPI registry since March 2022.

NPPES Registry Identity

NPI1023768959
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DALLIN OLLERTONCredential: MD
Location Address48 W 1500 NNephi, UT 84648-8900
Mailing Address48 W 1500 NNephi, UT 84648-8900 · (435) 623-3000
Phone(435) 623-3000
Sole ProprietorNo
Enumeration DateMarch 24, 2022
Last NPPES UpdateJune 4, 20263 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1023768959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in UT · 14269322-1205✔ Licensed in AZ · R80209
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
48 W 1500 N, Nephi, UT 84648
Open in Google Maps ↗

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.

EMILY MAE MAGALLANES MD
Family Medicine
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3208
MT NEBO ANESTHESIA ASSOCIATES LLC
Nurse Anesthetist, Certified Registered
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3000
MRS. DELIA ANDERSON M.S., CCC-SLP
Speech-Language Pathologist
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3045
CAPRI SEABERG
Speech-Language Pathologist
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3101
KELLY COOMBS BARTON
Speech-Language Pathologist
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3000
JERALD B TAYLOR D.O.
Family Medicine
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3200
LANDON WICKEL PT, DPT
Physical Therapist
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3045
CHANDLER SQUIRE PT, DPT
Physical Therapist
48 W 1500 N
NEPHI, UT 84648
Juab County (435) 623-3045

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 Dallin Ollerton's NPI number?

The NPI number for Dallin Ollerton is 1023768959. It was assigned to this individual provider in the NPPES registry on March 24, 2022.

Where is Dallin Ollerton located?

Dallin Ollerton practices at 48 W 1500 N, Nephi, UT 84648. The listed phone number is (435) 623-3000.

What is Dallin Ollerton's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Dallin Ollerton was last updated on June 4, 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.