Active NPI
Zachary A Koretz, MD
- Retina Specialist (Ophthalmology) Physician
- Aurora, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Retina Specialist (Ophthalmology) Physician
- License
- DR.0073981
- Practice address
- 1411 S Potomac St Ste 440
Aurora, CO 80012-4540 - Phone
- (720) 443-2425
- NPI assigned
- Mar 17, 2018
- Last updated
- Oct 5, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | DR.0073981 | CO | |
| Ophthalmology Physician | 207W00000X | A180519 | CA | |
| Retina Specialist (Ophthalmology) Physician | 207WX0107X | DR.0073981 | CO | Primary |
Addresses
Primary practice location
1411 S Potomac St Ste 440
Aurora, CO 80012-4540
Mailing address
1411 S Potomac St
Aurora, CO 80012-4536
Other practice location 1
9135 Ridgeline Blvd Ste 130
Highlands Ranch, CO 80129-2392
Phone (720) 443-2425
Other practice location 2
341 Market St
Basalt, CO 81621-7409
Phone (720) 443-2425
Other practice location 3
5150 E Yale Cir Ste 400
Denver, CO 80222-6936
Phone (720) 443-2425
Other practice location 4
1140 Edwards Village Blvd Unit B206
Edwards, CO 81632-5562
Phone (720) 443-2425
Other practice location 5
13111 E Briarwood Ave Ste 200
Centennial, CO 80112-3846
Phone (720) 443-2425
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, CO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Tulane University School of Medicine, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1411 S Potomac St
Suite 440
Aurora, CO 80012-4540
Phone (720) 443-2425
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.77 of 100
- Quality
- 84.13
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 73.88
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A180519 | CA | MD | Ophthalmology Physician |
| DR.0073981 | CO | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| RSC Aurora, PLLC | Retina Specialist | Current | Accepting new patients |
| California Retina Consultants | Retina Specialist | Current | Accepting new patients |
| California Retina Consultants | Retina Specialist | Current | Accepting new patients |
| California Retina Consultants | Retina Specialist | Current | Accepting new patients |
| Regents of the University of California | Current | Accepting new patients | |
| Regents of the University of California | Ophthalmology | Current | Accepting new patients |
| California Retina Consultants | Retina Specialist | Current | Accepting new patients |
| RSC Aurora, PLLC | Retina Specialist | Past | Accepting new patients |
| RSC Aurora, PLLC | Retina Specialist | Past | Accepting new patients |
Locations
5555 Business Park S
Ste 100
Bakersfield, CA 93309
Phone (661) 325-4393
611 E Ocean Ave
Lompoc, CA 93436
Phone (805) 736-7010
File 57326
Los Angeles, CA 90074
200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754
525 E Micheltorena St
Ste A
Santa Barbara, CA 93103
Phone (805) 963-1648
23501 Cinema Dr
Ste 109
Valencia, CA 91355
Phone (661) 253-2939
7375 W 52nd Ave
Ste 300
Arvada, CO 80002
341 Market St
Basalt, CO 81621
Phone (303) 915-4543
13111 E Briarwood Ave
Ste 200
Centennial, CO 80112
Phone (303) 493-1922
1411 S Potomac St
Ste 440
Denver, CO 80012
Phone (720) 535-6204
5150 E Yale Cir
Ste 400
Denver, CO 80222
950 E Harvard Ave
Ste 530
Denver, CO 80210
Phone (303) 765-3485
1607 Grand Ave
Unit 31
Glenwood Springs, CO 81601
Phone (970) 928-0105
8381 Southpark Ln
Littleton, CO 80120
Phone (303) 730-0404
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Retina Specialist (Ophthalmology) Physician
- Bakersfield, CA
- NPI 1083757322
-
- Retina Specialist (Ophthalmology) Physician
- San Luis Obispo, CA
- NPI 1144405309
-
- Ophthalmology Physician
- San Diego, CA
- NPI 1699877621
-
dba California Retina Consultants, a Professional Medical Corporation
- Retina Specialist (Ophthalmology) Physician
- Santa Barbara, CA
- NPI 1386737617
-
- Retina Specialist (Ophthalmology) Physician
- Visalia, CA
- NPI 1750641775
-
- Diagnostic Radiology Physician
- San Diego, CA
- NPI 1558463927
-
dba Retina Specialists of Colorado
- Retina Specialist (Ophthalmology) Physician
- Denver, CO
- NPI 1386448157
-
dba Retina Specialists of Colorado
- Retina Specialist (Ophthalmology) Physician
- Highlands Ranch, CO
- NPI 1649166141
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521244800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759622400000",
"number": "1487157269",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1411 S POTOMAC ST",
"city": "AURORA",
"state": "CO",
"postal_code": "800124536"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1411 S POTOMAC ST STE 440",
"city": "AURORA",
"state": "CO",
"postal_code": "800124540",
"telephone_number": "720-443-2425"
}
],
"practiceLocations": [
{
"address_1": "9135 Ridgeline Blvd Ste 130",
"address_purpose": "LOCATION",
"city": "Highlands Ranch",
"state": "CO",
"postal_code": "801292392",
"country_code": "US",
"telephone_number": "720-443-2425",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "341 Market St",
"address_purpose": "LOCATION",
"city": "Basalt",
"state": "CO",
"postal_code": "816217409",
"country_code": "US",
"telephone_number": "720-443-2425",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "5150 E Yale Cir Ste 400",
"address_purpose": "LOCATION",
"city": "Denver",
"state": "CO",
"postal_code": "802226936",
"country_code": "US",
"telephone_number": "720-443-2425",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1140 Edwards Village Blvd Unit B206",
"address_purpose": "LOCATION",
"city": "Edwards",
"state": "CO",
"postal_code": "816325562",
"country_code": "US",
"telephone_number": "720-443-2425",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "13111 E Briarwood Ave Ste 200",
"address_purpose": "LOCATION",
"city": "Centennial",
"state": "CO",
"postal_code": "801123846",
"country_code": "US",
"telephone_number": "720-443-2425",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KORETZ",
"first_name": "ZACHARY",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-03-17",
"last_updated": "2025-10-05",
"certification_date": "2025-10-05",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CO",
"license": "DR.0073981",
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CA",
"license": "A180519",
"primary": false
},
{
"code": "207WX0107X",
"taxonomy_group": "",
"desc": "Ophthalmology, Retina Specialist",
"state": "CO",
"license": "DR.0073981",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Aurora, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 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.