Doctor profile · Federal record

Dr. Darren Gregory, MD

Ophthalmology Physician (CMS: Ophthalmology) · Aurora, CO

  • NPI 1144240094
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1675 Ursula St, Mail Stop F.731, Box 6510
Aurora, CO 800457402
(720) 848-2500
fax (720) 848-5014
Mailing address
Po Box 110429
Aurora, CO 800420429

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 4, 2012
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Colorado #35514
Medicaid
CO #95800549

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144240094. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
744
Distinct HCPCS
9
Medicare allowed
$79,474
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 281 176 $51
92014 Established patient complete exam of visual system 250 220 $77
68761 Closure of tear duct opening using plug 71 49 $123
92136 Measurement of corneal curvature and depth of eye 44 28 $31
92004 New patient complete exam of visual system 30 30 $96
66982 Complex removal of cataract with insertion of prosthetic lens 22 17 $758
66984 Removal of cataract with insertion of prosthetic lens 21 15 $554
66821 Removal of recurring cataract in lens capsule using a laser 14 12 $306
92083 Exam of visual field with extended testing 11 11 $27

In context: peer comparison

Among 4 peers in Aurora Ophthalmology Physician, average services per provider: 51. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$545
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Dompe US, INC. 2 $192.99
Sun Pharmaceutical Industries INC. 1 $120.89
Harrow Eye, LLC 1 $119.27
Oyster Point Pharma, INC. 1 $111.36

By nature of payment

Food and Beverage
$545

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
548
Patients
249
Total drug cost
$220,189
Drug Type Claims Patients Total cost
Fluorometholone Generic 229 94 $26,661
Prednisolone Acetate Generic 65 45 $2,879
Restasis (Cyclosporine) Brand 52 24 $81,395
Xiidra (Lifitegrast) Brand 45 19 $90,573
Moxifloxacin (Moxifloxacin Hcl) Brand 44 30 $1,534
Diclofenac Sodium Generic 34 26 $574
Erythromycin (Erythromycin Base) Brand 25 11 $229
Cyclosporine Generic 21 0 $14,316
Doxycycline Hyclate Generic 21 0 $868
Loteprednol Etabonate Generic 12 0 $1,160

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Gregory's medical specialty?
Dr. Darren Gregory practices Ophthalmology Physician in Aurora, CO.
Where does Dr. Darren Gregory practice?
Dr. Darren Gregory practices at 1675 Ursula St, Aurora, CO 800457402. Office phone: 7208482500.
What is Dr. Darren Gregory's NPI?
Dr. Darren Gregory's National Provider Identifier (NPI) is 1144240094, issued by NPPES.
Does Dr. Darren Gregory accept Medicare assignment?
Yes. Dr. Darren Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Gregory commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); Closure of tear duct opening using plug (HCPCS 68761). Source: CMS Medicare Physician & Other Practitioners file.