Active NPI
William A Roberts, M.D.
- Ophthalmology Physician
- Boulder, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- 16656
- Practice address
- 5495 Arapahoe Ave
Boulder, CO 80303-1200 - Phone
- (303) 449-3770
- NPI assigned
- Aug 31, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | 16656 | CO | Primary |
Addresses
Primary practice location
5495 Arapahoe Ave
Boulder, CO 80303-1200
Mailing address
PO Box 110429
Aurora, CO 80042-0429
Other practice location 1
12605 E 16th Ave
Aurora, CO 80045-2545
Phone (303) 493-7000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- University of Colorado School of Medicine, Denver, 1969
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
13123 E 16TH Ave
Aurora, CO 80045-7106
Phone (720) 777-1234
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 23 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 16656 | CO | MD | General Practice Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University Physicians Incorporated | Ophthalmology | Current | Accepting new patients |
| University Physicians, Incorporated | Current | Accepting new patients |
Locations
12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0006
13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846
5495 Arapahoe Ave
Ste 101
Boulder, CO 80303
Phone (303) 544-3900
385 Broadway St
Boulder, CO 80305
Phone (303) 449-3770
5495 Arapahoe Ave
Boulder, CO 80303
Phone (303) 415-4515
Dept 1061
Denver, CO 80256
Organizations & group practices 2
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.
-
- Internal Medicine Physician
- Aurora, CO
- NPI 1962461889
Ophthalmology
-
- Sports Medicine (Orthopaedic Surgery) Physician
- Denver, CO
- NPI 1275045049
Hospital & facility affiliations 61
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Sleep Disorder Diagnostic Clinic/Center
- Boulder, CO
- NPI 1093357907
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1156982400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766361600000",
"number": "1598876948",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 110429",
"city": "AURORA",
"state": "CO",
"postal_code": "800420429"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5495 ARAPAHOE AVE",
"city": "BOULDER",
"state": "CO",
"postal_code": "803031200",
"telephone_number": "303-449-3770"
}
],
"practiceLocations": [
{
"address_1": "12605 E 16th Ave",
"address_purpose": "LOCATION",
"city": "Aurora",
"state": "CO",
"postal_code": "800452545",
"country_code": "US",
"telephone_number": "303-493-7000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ROBERTS",
"first_name": "WILLIAM",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-31",
"last_updated": "2025-12-22",
"certification_date": "2025-12-22",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CO",
"license": "16656",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boulder, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.