Organization Active NPI

Colorado Ophthalmology Associates PC

  • Specialist
  • Denver, CO
National Provider Identifier
1659552040
Registry record updated Dec 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
Legal business name
COLORADO OPHTHALMOLOGY ASSOCIATES PC
Practice address
3801 E Florida Ave Ste 720
Denver, CO 80210-2562
Phone
(303) 320-1777
Fax
(303) 733-9219
NPI assigned
Nov 14, 2007
Last updated
Dec 4, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2025

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

Authorized official

Name
Dr. James Arthur Patterson, M.D.NPI 1396788493
Title
President
Phone
(303) 320-1777

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X NU Primary

Addresses

Primary practice location

3801 E Florida Ave Ste 720
Denver, CO 80210-2562

Mailing address

3801 E Florida Ave Ste 720
Denver, CO 80210-2562
Phone (303) 320-1777

Other identifiers 1

IdentifierTypeStateIssuer
C72008OtherCOMEDICARE GROUP NUMBER

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040206000099 CO Part B Supplier - Clinic/Group Practice 3678466224 Receives reassigned benefits from 7 practitioners
Practice locations: Denver, CO; Lakewood, CO

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
06D2341947Colorado Ophthalmology Associates3801 E Florida Ave, Suite 720, Denver, CO 80210Certificate of waiverApr 9, 2028

National Provider Directory

National Provider Directory

Locations

1666 S University Blvd
Denver, CO 80210
Phone (303) 320-1777

3801 E Florida Ave
Ste 720
Denver, CO 80210
Phone (303) 320-1777

11750 W 2nd Pl
Ste 235
Lakewood, CO 80228
Phone (303) 320-1777

Practitioners & affiliated clinicians

Practitioners 14

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.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1194998400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764806400000",
    "number": "1659552040",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3801 E FLORIDA AVE STE 720",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802102562",
            "telephone_number": "303-320-1777",
            "fax_number": "303-733-9219"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3801 E FLORIDA AVE STE 720",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802102562",
            "telephone_number": "303-320-1777",
            "fax_number": "303-733-9219"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COLORADO OPHTHALMOLOGY ASSOCIATES PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-11-14",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A",
        "authorized_official_last_name": "PATTERSON",
        "authorized_official_first_name": "JAMES",
        "authorized_official_middle_name": "ARTHUR",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "303-320-1777",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE GROUP NUMBER",
            "identifier": "C72008",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.