Quick answers
- Does Justin S. Merkow accept Medicare assignment?
- Yes. Medicare's clinician data says Justin S. Merkow accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Justin S. Merkow see?
- In 2024, CMS data shows 655 Original Medicare patients and 3,426 services for Justin S. Merkow. This counts Original Medicare only and measures volume, not quality.
- What is Justin S. Merkow's NPI number?
- 1578829016. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Justin S. Merkow, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 655 |
|---|---|
| Services billed to Medicare | 3,426 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,454 services
- Testing for presence of drug, by chemistry analyzers (80307)987 services
- Testing for presence of drug, read by direct observation (80305)116 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)106 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)93 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Arthritis75%
- High blood pressure68%
- High cholesterol63%
- Anxiety47%
- Depression45%
- Diabetes25%
Practice locations
Addresses where Justin S. Merkow is enrolled with Medicare (CMS data updated October 2, 2026).
- 10700 E Geddes Ave, Suite 100Englewood, CO 80112 (303) 750‑8100
Group practices
Medicare enrollment lists Justin S. Merkow as a member of this group (CMS data updated October 2, 2026).
- Metro Denver Pain Management PLLC19 clinicians in the group
Specialties
- Anesthesiologyprimary
- Pain Managementalso
Other anesthesiologists in Englewood
Clinicians with the same Medicare primary specialty in Englewood, CO — not a recommendation.
Other clinicians in Metro Denver Pain Management PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578829016 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians