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Dr. Daniel Merrick, MD

Pathology (Molecular Genetic Pathology (Pathology) Physician)

12605 E 16th Ave
Aurora, CO 80045

Who else practices at this address →

Adams County includes primary care (2% of residents) shortage areas. About shortage areas

Call (720) 848-0000

  • Medicare participating

At a glance

Years since graduation
37
In the NPI registry since
2006
Medicare patients seen, 2024
128

Licensed in Colorado since 1999, 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

  • 1989Medical school: University of Washington School of Medicine
  • 2006Registered 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

  • Molecular Genetic Pathology (Pathology) Physician primary
    CO license DR.0038032 (first issued 1999; active)
  • Anatomic Pathology & Clinical Pathology Physician
    CO license DR.0038032 (first issued 1999; active)

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

Map: Pathology per capita by county →

Where they work

Hospitals

Medical groups

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
128
Services billed
596
Patients’ average age
71
Most frequent Medicare services, 2023
ServiceTimesPatients
Pathology examination of tissue using a microscope, intermediate complexity20947
Molecular pathology procedure; physician interpretation and report121106
Special stained specimen slides to examine tissue, each additional procedure8024
Preparation of specimen, manual5555
Special stained specimen slides to examine tissue, initial procedure3734
Special stained specimen slides to identify organisms including interpretation and report3619
Microscopic genetic analysis of tumor, manual3432
Pathology examination of tissue using a microscope, high complexity2926
Special stained specimen slides to examine tissue including interpretation and report2926
Pathology examination of tissue using a microscope, moderately high complexity2215

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.

Other Pathology clinicians in Aurora

Sources

NPI registry (CMS NPPES, November 2026; record last updated March 16, 2026), 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 1831166701. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.