Montrose Rheumatology LLC

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

Legal business name

MONTROSE RHEUMATOLOGY LLC

Practice address

1550 Niagara Rd
Montrose, CO 81401-5027

Phone

(970) 497-7700

Fax

(855) 855-4482

NPI assigned

Mar 22, 2023

Last updated

Aug 14, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Joseph Adragna, MDNPI 1851658876

Title

Owner

Phone

(970) 497-7700

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CO

Enrollment records 1

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Danny Claude Williams, M.D.

  • Rheumatology Physician
  • Montrose, CO
  • NPI 1013245190
  Medicare reassignment NPD
• Joseph Adragna IV, MD, MHA, MGH

  • Family Medicine Physician
  • Montrose, CO
  • NPI 1851658876
  NPD (past) Authorized official

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

{
    "created_epoch": "1679443200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786665600000",
    "number": "1376246140",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1550 NIAGARA RD",
            "city": "MONTROSE",
            "state": "CO",
            "postal_code": "814015027",
            "telephone_number": "970-497-7700",
            "fax_number": "855-855-4482"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1550 NIAGARA RD",
            "city": "MONTROSE",
            "state": "CO",
            "postal_code": "814015027",
            "telephone_number": "970-497-7700",
            "fax_number": "855-855-4482"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MONTROSE RHEUMATOLOGY LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-03-22",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A",
        "authorized_official_last_name": "ADRAGNA",
        "authorized_official_first_name": "JOSEPH",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "970-497-7700",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Montrose Regional Health Pso, LLC
• Montrose Rural Fire Protection District No 1
• Montrose School District Re-1J
• Montrose Surgical Associates
• Montrose Surgical Associates PC
• Montrose Surgical Specialists

• Rheumatology Physician in Montrose, CO
• Providers in Montrose, CO by specialty
• Rheumatology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.