Dallin Ollerton, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

14269322-1205 Issued in UT

Practice address

48 W 1500 N
Nephi, UT 84648-8900

Phone

(435) 623-3000

NPI assigned

Mar 24, 2022

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Advanced Urology of El Paso, P.a

  • Urology Physician
  • El Paso, TX
  • NPI 1194966309
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1648080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780531200000",
    "number": "1023768959",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "48 W 1500 N",
            "city": "NEPHI",
            "state": "UT",
            "postal_code": "846488900",
            "telephone_number": "435-623-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "48 W 1500 N",
            "city": "NEPHI",
            "state": "UT",
            "postal_code": "846488900",
            "telephone_number": "435-623-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLLERTON",
        "first_name": "DALLIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-24",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "R80209",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "UT",
            "license": "14269322-1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nephi Professional Pharmacy
• Landon James Nielsen, OTR/L
• Marian Janis Nielson, APRN-C
• Robert Lyle Nielson, CRNA
• Bracken Nuzman
• Dawn Marie Ortega
• Tia Orton, SLP
• Mark C Oveson, M.D.
• Douglas A Petersen, D.M.D.
• Scott William Petersen, DMD

• All providers in Nephi, UT
• Internal Medicine Physician in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.