NPIMap

Individual provider Active NPI

Molly Erin Horton, APRN

  • Family Nurse Practitioner
  • Missoula, MT
National Provider Identifier
1033689641
Registry record updated Nov 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
132736 Issued in MT
Practice address
601 W Spruce St Ste a
Missoula, MT 59802-4047
Phone
(406) 728-3111
Fax
(406) 728-3116
NPI assigned
Nov 27, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 132736 MT Primary

Addresses

Primary practice location

601 W Spruce St Ste a
Missoula, MT 59802-4047

Mailing address

PO Box 31001
Pasadena, CA 91110-4110
Phone (406) 728-3111

Other practice location 1

401 Railroad St W
Missoula, MT 59802-4109
Phone (406) 258-4789

Other names 1

  • Molly Erin Riley Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, WA, OR3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20190215001546 MT Practitioner - Nurse Practitioner 6103164223 Reassigns benefits to 2 organizations
I20231122000788 WA Practitioner - Nurse Practitioner 6103164223 Reassigns benefits to 1 organization
I20240205003967 OR Practitioner - Nurse Practitioner 6103164223 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Health and Services Mt 358 clinicians

Practice addresses (Care Compare)

601 W Spruce St
Suite a
Missoula, MT 59802-4047
Phone (406) 329-2945

Hospital & facility affiliations

  • Partners in Home Care Inc Home health agency, Missoula, MT, CCN 277032
  • St. Patrick Hospital Hospital, Missoula, MT, CCN 270014

Merit-based Incentive Payment System (MIPS)

Final score
89.78 of 100Reported as group
Quality
92.1
Improvement activities
40
Cost
80.43

Merit-based Incentive Payment System (MIPS)

Final score
89.49 of 100Reported as group
Quality
86.28
Promoting interoperability
100
Improvement activities
40
Cost
78.7

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
132736MTMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services Mt CurrentSince Jul 13, 2025 Accepting new patients
Providence Health & Services Mt Current Accepting new patients
Partnership Health Center Inc Current Accepting new patients
Providence Health & Services Mt CurrentSince Jul 13, 2025 Accepting new patients
Partnership Health Center Inc CurrentSince Jan 7, 2019 Accepting new patients
Providence Health & Services - Washington Past Accepting new patients
Providence Health & Services Mt Past Accepting new patients

Locations

601 W Spruce St
Ste A
Missoula, MT 59802
Phone (406) 329-2945

401 Railroad St W
Missoula, MT 59802
Phone (406) 258-4183

500 W Broadway St
Ste 320
Missoula, MT 59802
Phone (406) 329-2945

323 W Alder St
Missoula, MT 59802
Phone (406) 258-4195

Interoperability endpoints

  • Direct secure messaging: mhorton204397@oc.providencedirect.org
  • Direct secure messaging: mhorton204356@wm.providencedirect.org

Organizations & group practices 12

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.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1543276800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763251200000",
    "number": "1033689641",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911104110",
            "telephone_number": "406-728-3111",
            "fax_number": "406-728-3116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 W SPRUCE ST STE A",
            "city": "MISSOULA",
            "state": "MT",
            "postal_code": "598024047",
            "telephone_number": "406-728-3111",
            "fax_number": "406-728-3116"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "401 Railroad St W",
            "address_purpose": "LOCATION",
            "city": "Missoula",
            "state": "MT",
            "postal_code": "598024109",
            "country_code": "US",
            "telephone_number": "406-258-4789",
            "fax_number": "406-258-4732",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORTON",
        "first_name": "MOLLY",
        "middle_name": "ERIN",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-27",
        "last_updated": "2025-11-16",
        "certification_date": "2025-11-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MT",
            "license": "132736",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MOLLY",
            "last_name": "RILEY",
            "middle_name": "ERIN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Missoula, MT

Sources for this page

Verify at the official NPI Registry.