NPIMap

Individual provider Active NPI

Nathan A Brinn, MD

  • Internal Medicine Physician
  • Fort Collins, CO
National Provider Identifier
1851377071
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
DR.0074560 Issued in CO
Practice address
4674 Snow Mesa Dr Ste 200
Fort Collins, CO 80528-8614
Phone
(970) 266-3650
NPI assigned
Dec 20, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 009000331 NC
Pediatrics Physician 208000000X ME123206 FL
Pediatrics Physician 208000000X DR.0074560 CO
Internal Medicine Physician 207R00000X DR.0074560 CO Primary

Addresses

Primary practice location

4674 Snow Mesa Dr Ste 200
Fort Collins, CO 80528-8614

Mailing address

2695 Rocky Mountain Ave Ste 150
Loveland, CO 80538-9071

Other practice location 1

2 Tampa General Cir
STC 2nd Floor
Tampa, FL 33606-3603
Phone (813) 259-8700

Other identifiers 2

IdentifierTypeStateIssuer
150L3OtherFLBLUE CROSS BLUE SHIELD
015106800MedicaidFL

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address abrinn100447@direct.tgh.org

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250606000747 CO Practitioner - Internal MedicinePractitioner - Pediatric Medicine 0244262509 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
University of Tennessee, HSC, College of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians

Practice addresses (Care Compare)

4674 Snow Mesa Dr
Suite 200
Fort Collins, CO 80528-8614
Phone (970) 495-8450

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
009000331NCMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Medical Service Association Inc Current Accepting new patients
Poudre Valley Medical Group, LLC CurrentSince Jun 23, 2025 Accepting new patients
Poudre Valley Medical Group, LLC CurrentSince Jun 23, 2025 Accepting new patients
Tampa General Hospital Current Accepting new patients

Locations

4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260

4674 Snow Mesa Dr
Ste 200
Fort Collins, CO 80528
Phone (970) 266-3650

2695 Rocky Mountain Ave
Ste 150
Loveland, CO 80538
Phone (970) 624-2412

12901 Bruce B Downs Blvd
#62
Tampa, FL 33612

2 Tampa General Cir
Fl 2
Tampa, FL 33606
Phone (813) 209-8596

Interoperability endpoints

  • FHIR API: https://epicproxy.et0761.epichosted.com/FHIRProxy/api/FHIR/R4/

Organizations & group practices 4

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 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1135036800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1851377071",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2695 ROCKY MOUNTAIN AVE STE 150",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805389071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4674 SNOW MESA DR STE 200",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805288614",
            "telephone_number": "970-266-3650"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Tampa General Cir",
            "address_2": "STC 2nd Floor",
            "address_purpose": "LOCATION",
            "city": "Tampa",
            "state": "FL",
            "postal_code": "336063603",
            "country_code": "US",
            "telephone_number": "813-259-8700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BRINN",
        "first_name": "NATHAN",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-20",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NC",
            "license": "009000331",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "FL",
            "license": "ME123206",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CO",
            "license": "DR.0074560",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0074560",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "150L3",
            "state": "FL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "015106800",
            "state": "FL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "abrinn100447@direct.tgh.org",
            "affiliation": "N",
            "address_1": "2 Tampa General Cir",
            "address_2": "STC 2nd Floor",
            "city": "Tampa",
            "state": "FL",
            "country_code": "US",
            "postal_code": "336063603",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fort Collins, CO

Sources for this page

Verify at the official NPI Registry.