Active NPI
Colorado Ophthalmology Associates PC
- Specialist
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- 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, 2025
- Organization subpart
- No
NPPES NPI Registry
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.
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| C72008 | Other | CO | MEDICARE GROUP NUMBER |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 06D2341947 | Colorado Ophthalmology Associates | Certificate of waiver | Apr 9, 2028 |
National Provider Directory
National Provider DirectoryLocations
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.
-
- Ophthalmology Physician
- Denver, CO
- NPI 1396788493
-
- Ophthalmology Physician
- Denver, CO
- NPI 1275890337
-
- Ophthalmology Physician
- Denver, CO
- NPI 1750379954
-
- Ophthalmology Physician
- Denver, CO
- NPI 1790996437
-
- Optometrist
- Denver, CO
- NPI 1932872777
-
- Ophthalmology Physician
- Denver, CO
- NPI 1265018840
-
- Ophthalmology Physician
- Denver, CO
- NPI 1386687390
-
- Ophthalmology Physician
- Denver, CO
- NPI 1881634301
-
- Optometrist
- Denver, CO
- NPI 1518219856
-
- Optometrist
- Longmont, CO
- NPI 1164046629
-
- Optometrist
- Highlands Ranch, CO
- NPI 1114054145
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
- Colorado Non Emergency Medical Transportation, LLC.
- Colorado OB GYN Partners PLLC (The Women's Health Group, Mile High OB/GYN, Midwifery at Rose)
- Colorado OB/GYN Partners, PLLC
- Colorado OB/GYN Partners, PLLC
- Colorado Oculofacial Plastic Surgery
- Colorado Oral Surgery Center PC
- Colorado Orthopedic Specialists
- Colorado Orthotic & Prosthetic Services LLC (Evergreen Prosthetics and Orthotics)
- Colorado Orthotic & Prosthetic Services, LLC (Evergreen Prosthetics & Orthotics)
- Colorado Pain & Rehabilitation PLLC
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.