Zachary A. Koretz, MD
Retina Specialist (Ophthalmology) Physician · Aurora, CO
Zachary A. Koretz, MD is a retina specialist (ophthalmology) physician with a practice address in Aurora, Colorado, and NPI 1487157269, issued on Mar 17, 2018. Check the license (Colorado DR.0073981, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zachary A. Koretz
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- DR.0073981 CO
A180519 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1411 S Potomac St Ste 440, Aurora, CO 80012
- Phone
- (720) 443-2425
- Enumerated
- Mar 17, 2018
- Record last updated
- Oct 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20240912004052); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 55 in Colorado → Look up another NPI →
Verify Zachary A. Koretz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0073981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
162 Medicare Part D claims for 83 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Prednisolone Acetate29 claims
- Latanoprost23 claims
- Dorzolamide-Timolol22 claims
- Erythromycin15 claims
- Brimonidine Tartrate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,082.25
12 payments; by number, the most common kind was food and beverage; the largest payer was Alimera Sciences, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rsc Aurora, PLLCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary A. Koretz among 55 retina specialist (ophthalmology) physician records in Colorado
Zachary A. Koretz, MD is one of 55 retina specialist (ophthalmology) physician records with a practice address in Colorado. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated2018 · median 2012 among the 50 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Colorado
There are 55 retina specialist (ophthalmology) physician records in Colorado.
All 55 in Colorado → Every provider in Aurora → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Ross Chod, M.D.Aurora, CO 800121801158548
- Robert Courtney, MDLafayette, CO 800261760649024
- Ashleigh Levison, MDLafayette, CO 800261508093485
- Mary Lansing, M.D.Louisville, CO 800271528059573
- Rachel Chen, M.D.Aurora, CO 800451558740605
- Talisa Forest, MDAurora, CO 800451154783447
- Lynn Hassman, MDAurora, CO 800451093158487
- Naresh Mandava, MDAurora, CO 800451962592634
Common questions
What is Zachary A. Koretz, MD's NPI number?
Zachary A. Koretz, MD's National Provider Identifier (NPI) is 1487157269, issued on Mar 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zachary A. Koretz, MD located?
The NPPES record lists a practice address at 1411 S Potomac St Ste 440, Aurora, CO, 80012. Phone: (720) 443-2425. Providers update this record themselves, so call before visiting.
How can I verify Zachary A. Koretz, MD's license?
NPPES lists Colorado license number DR.0073981, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary A. Koretz, MD prescribe under Medicare Part D?
In 2024, Zachary A. Koretz, MD had 162 Medicare Part D claims for 83 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.