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Dr. Mark S. Dacey, MD

Ophthalmology (Ophthalmology Physician)

  • Medicare participating

At a glance

Years since graduation
21
In the NPI registry since
2007
Medicare patients seen, 2024
361

Licensed in Colorado since 2010, according to the Colorado Department of Regulatory Agencies. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2005Medical school: University of Michigan Medical School
  • 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Ophthalmology Physician primary
    CO license 49002 (first issued 2010; active)
  • Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician
    CO license 49002 (first issued 2010; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Ophthalmology per capita by county →

Where they work

Hospitals

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
361
Services billed
4,091
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient complete exam of visual system913254
Imaging of retina875238
Established patient office or other outpatient visit, 30-39 minutes19790
Photography of the retina15186
Injection, aflibercept, 1 mg14418
Exam of retinal blood vessels using a special camera after injection of a dye9467
Injection of drug into eye8428
Established patient problem focused exam of visual system7148
New patient office or other outpatient visit, 45-59 minutes3636
Removal of eyelashes using forceps2511

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 4 companies reported 37 payments worth $26,071 in total to this clinician.

By type
Compensation for services other than consulting (speaking, faculty)$10,875
Consulting Fee$9,100
Honoraria$3,425
Travel and Lodging$1,460
Food and Beverage$712
Speaking at a medical education program$500

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Nov 15, 2025Genentech USA, Inc.
Nov 15, 2025
Consulting Fee$6,100
Dec 17, 2025AbbVie Inc.
Dec 17, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$5,250
Dec 22, 2025AbbVie Inc.
Dec 22, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$2,250
Dec 22, 2025AbbVie Inc.
Dec 22, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$2,250
Sep 2, 2025Bausch & Lomb Americas Inc.
Sep 2, 2025
Consulting Fee
XIPERE · Ophthalmology
$2,000
Sep 17, 2025Ani Pharmaceuticals, Inc.
Sep 17, 2025
Honoraria
PURIFIED CORTROPHIN GEL · Treatment of certain chronic autoimmune disorders including acute exacerbations
$1,850
Nov 20, 2025Ani Pharmaceuticals, Inc.
Nov 20, 2025
Honoraria
YUTIQ · Treatment of chronic non-infectious uveitis affecting the posterior segment of t
$1,575
Apr 25, 2025AbbVie Inc.
Apr 25, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$1,125
Sep 2, 2025Bausch & Lomb Americas Inc.
Sep 2, 2025
Consulting Fee
XIPERE · Ophthalmology
$1,000
Jul 17, 2025Bausch & Lomb Americas Inc.
Jul 17, 2025
Speaking at a medical education program
XIPERE · Ophthalmology
$500
All 18 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Dec 22, 2025AbbVie Inc.
Dec 22, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$2,250
Dec 22, 2025AbbVie Inc.
Dec 22, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$2,250
Dec 17, 2025AbbVie Inc.
Dec 17, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$5,250
Dec 15, 2025AbbVie Inc.
Dec 15, 2025
Travel and Lodging
OZURDEX · EYE CARE · travel to SAN ANTONIO, TX · in-kind
$387
Dec 15, 2025AbbVie Inc.
Dec 15, 2025
Travel and Lodging
OZURDEX · EYE CARE · travel to SAN ANTONIO, TX · in-kind
$130
Dec 15, 2025AbbVie Inc.
Dec 15, 2025
Travel and Lodging
OZURDEX · EYE CARE · travel to SAN ANTONIO, TX · in-kind
$45.00
Dec 15, 2025AbbVie Inc.
Dec 15, 2025
Travel and Lodging
OZURDEX · EYE CARE · travel to SAN ANTONIO, TX · in-kind
$33.98
Dec 15, 2025AbbVie Inc.
Dec 15, 2025
Travel and Lodging
OZURDEX · EYE CARE · travel to SAN ANTONIO, TX · in-kind
$26.60
Nov 20, 2025Ani Pharmaceuticals, Inc.
Nov 20, 2025
Honoraria
YUTIQ · Treatment of chronic non-infectious uveitis affecting the posterior segment of t
$1,575
Nov 15, 2025Genentech USA, Inc.
Nov 15, 2025
Consulting Fee$6,100
Nov 15, 2025Genentech USA, Inc.
Nov 15, 2025
Travel and Lodging
travel to San Francisco, CA · in-kind
$366
Nov 15, 2025Genentech USA, Inc.
Nov 15, 2025
Travel and Lodging
travel to San Francisco, CA
$240
Nov 15, 2025Genentech USA, Inc.
Nov 15, 2025
Travel and Lodging
travel to San Francisco, CA · in-kind
$231
Sep 17, 2025Ani Pharmaceuticals, Inc.
Sep 17, 2025
Honoraria
PURIFIED CORTROPHIN GEL · Treatment of certain chronic autoimmune disorders including acute exacerbations
$1,850
Sep 2, 2025Bausch & Lomb Americas Inc.
Sep 2, 2025
Consulting Fee
XIPERE · Ophthalmology
$2,000
Sep 2, 2025Bausch & Lomb Americas Inc.
Sep 2, 2025
Consulting Fee
XIPERE · Ophthalmology
$1,000
Jul 17, 2025Bausch & Lomb Americas Inc.
Jul 17, 2025
Speaking at a medical education program
XIPERE · Ophthalmology
$500
Apr 25, 2025AbbVie Inc.
Apr 25, 2025
Compensation for services other than consulting (speaking, faculty)
OZURDEX · EYE CARE
$1,125

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Colorado →

Industry-funded research

Named as a principal investigator on 2 industry-funded studies in 2025, from 2 companies. The companies reported $18,621 in research payments for these studies, mostly to the institutions running them.

From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.

Other Ophthalmology clinicians in Denver

Sources

NPI registry (CMS NPPES, November 2026; record last updated March 18, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1245433259. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.