Darren G. Gregory, MD
Ophthalmology Physician · Aurora, CO
Darren G. Gregory, MD is an ophthalmology physician with a practice address in Aurora, Colorado, and NPI 1144240094, issued on Jul 20, 2006. Check the license (Colorado 35514, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Darren G. Gregory
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 35514 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1675 Ursula St, Aurora, CO 80045
- Phone
- (720) 848-2500
- Enumerated
- Jul 20, 2006
- Record last updated
- Dec 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (720) 848-5014
- Medicaid ID
- 95800549 CO
- Medicare enrollment
- Enrolled (PECOS I20100327000566); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 338 in Colorado → Look up another NPI →
Verify Darren G. Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 35514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average ophthalmology physician in 2024
735 Medicare Part D claims for 198 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Fluorometholone275 claims
- Restasis68 claims
- Prednisolone Acetate62 claims
- Moxifloxacin52 claims
- Xiidra43 claims
- Ketorolac Tromethamine42 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $544.51
5 payments; by number, the most common kind was food and beverage; the largest payer was Dompe US, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren G. Gregory among 338 ophthalmology physician records in Colorado
Darren G. Gregory, MD is one of 338 ophthalmology physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 2001 among the 199 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Colorado
There are 338 ophthalmology physician records in Colorado.
All 338 in Colorado → Every provider in Aurora → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- J Bronwyn Bateman, MDAurora, CO 800451053401729
- Alaa Bou Ghannam, M.D.Aurora, CO 800451508241209
- Richard Davidson, MDAurora, CO 800451780774455
- Marilyn Dougherty, M.D.Aurora, CO 800451891877981
- Stuart Fine, MDAurora, CO 800451871523969
- Marissa Larochelle, M.D.Aurora, CO 800451740544774
- Marisa Lau, MDAurora, CO 800451396180170
- Dallin Milner, MDAurora, CO 800451386221869
Common questions
What is Darren G. Gregory, MD's NPI number?
Darren G. Gregory, MD's National Provider Identifier (NPI) is 1144240094, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren G. Gregory, MD located?
The NPPES record lists a practice address at 1675 Ursula St, Aurora, CO, 80045. Phone: (720) 848-2500. Providers update this record themselves, so call before visiting.
How can I verify Darren G. Gregory, MD's license?
NPPES lists Colorado license number 35514, 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 Darren G. Gregory, MD prescribe under Medicare Part D?
In 2024, Darren G. Gregory, MD had 735 Medicare Part D claims for 198 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Darren G. Gregory, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.