Individual provider Active NPI

Michelle Ann O'Brien, D.O.

  • Psychiatry Physician
  • Fort Collins, CO
National Provider Identifier
1144601618
Registry record updated Jul 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
DR.0075316 Issued in CO
Practice address
2260 W Trilby Rd
Fort Collins, CO 80526-9650
Phone
(970) 494-4200
Fax
(844) 270-1824
NPI assigned
Jun 10, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X DR.0075316 CO Primary

Addresses

Primary practice location

2260 W Trilby Rd
Fort Collins, CO 80526-9650

Mailing address

4856 Innovation Dr
Fort Collins, CO 80525-5539
Phone (970) 494-4200

Other practice location 1

3655 E Grant Rd
Tucson, AZ 85716-2933
Phone (520) 670-3909

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, CO2 enrollments
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.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200806001853 AZ Practitioner - PsychiatryPractitioner - Preventive Medicine 1759682495 Reassigns benefits to 2 organizations
I20250903000989 CO Practitioner - PsychiatryPractitioner - Addiction Medicine 1759682495 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
PsychiatryAlso: Addiction Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Summitstone Health PartnersGroup PAC ID 4284527144, 116 clinicians

Practice addresses (Care Compare)

2260 W Trilby Rd
Fort Collins, CO 80526-9650
Phone (970) 494-4200

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Summitstone Health Partners CurrentSince Jul 14, 2025 Accepting new patients
Banner-University Medical Group CurrentSince Jul 4, 2020 Accepting new patients
El Rio Santa Cruz Neighborhood Health Center, Inc CurrentSince Jun 1, 2022 Accepting new patients
El Rio Santa Cruz Neighborhood Health Center, Inc CurrentSince Jun 1, 2022 Accepting new patients
Banner-University Medical Group Family Medicine CurrentSince Jul 4, 2020 Accepting new patients
Summitstone Health Partners Current Accepting new patients
Summitstone Health Partners CurrentSince Jul 14, 2025 Accepting new patients
Summitstone Health Partners Past Accepting new patients
Longview Behavioral Health Past Accepting new patients
Summitstone Health Partners Past Accepting new patients
Longview Behavioral Health Past Accepting new patients
Longview Behavioral Health Past Accepting new patients
Longview Behavioral Health Past Accepting new patients
SMSJ Tucson Holdings LLC Past Accepting new patients
Summitstone Health Partners Past Accepting new patients
Longview Behavioral Health Past Accepting new patients

Locations

2800 E Ajo Way
Tucson, AZ 85713
Phone (520) 294-4471

1625 N Campbell Ave
Tucson, AZ 85719

3950 S Country Club Rd
Ste 200
Tucson, AZ 85714
Phone (520) 626-5582

839 W Congress St
Tucson, AZ 85745
Phone (520) 670-3707

3655 E Grant Rd
Tucson, AZ 85716
Phone (520) 440-6323

4102 S Timberline Rd
Fort Collins, CO 80525
Phone (970) 494-5728

4856 Innovation Dr
Fort Collins, CO 80525

Interoperability endpoints

  • Direct secure messaging: mobrien27578@elrio.direct.ci.com

Organizations & group practices 16

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.

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1433894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1144601618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4856 INNOVATION DR",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805255539",
            "telephone_number": "970-494-4200",
            "fax_number": "844-270-1824"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2260 W TRILBY RD",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805269650",
            "telephone_number": "970-494-4200",
            "fax_number": "844-270-1824"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3655 E Grant Rd",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857162933",
            "country_code": "US",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MICHELLE",
        "middle_name": "ANN",
        "name_prefix": "Ms.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-10",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CO",
            "license": "DR.0075316",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Collins, CO

Sources for this page

Verify at the official NPI Registry.