Quick answers
- Does Matthew J. Uyemura accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew J. Uyemura 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 Matthew J. Uyemura see?
- In 2024, CMS data shows 993 Original Medicare patients and 2,373 services for Matthew J. Uyemura. This counts Original Medicare only and measures volume, not quality.
- What is Matthew J. Uyemura's NPI number?
- 1386640456. 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 Matthew J. Uyemura, 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 | 993 |
|---|---|
| Services billed to Medicare | 2,373 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)491 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)282 services
- Removal of cataract with insertion of prosthetic lens (66984)270 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)235 services
- Measurement of corneal curvature and depth of eye (92136)232 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).
- High blood pressure63%
- High cholesterol56%
- Arthritis44%
- Diabetes28%
- Ischemic heart disease20%
- Chronic kidney disease16%
Hospitals where Matthew J. Uyemura works
Medicare's Facility Affiliation Data lists Matthew J. Uyemura at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Banner North Colorado Medical CenterGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060001
- Cheyenne County HospitalSt Francis, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171310
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060131
- Wray Community District HospitalWray, CO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 061309
Practice locations
Addresses where Matthew J. Uyemura is enrolled with Medicare (CMS data updated October 2, 2026).
- 1017 W 7th StWray, CO 80758 (970) 332‑4811
- 1616 15th StGreeley, CO 80631 (970) 352‑6688
- 210 W 1st StSaint Francis, KS 67756 (785) 332‑2104
Group practices
Medicare enrollment lists Matthew J. Uyemura as a member of this group (CMS data updated October 2, 2026).
- Matthew J. Uyemura, MD, PC2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Other clinicians in Matthew J. Uyemura, MD, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386640456 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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