Quick answers
- Does Nathan Valencia Still accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan Valencia Still 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 Nathan Valencia Still see?
- In 2024, CMS data shows 556 Original Medicare patients and 1,098 services for Nathan Valencia Still. This counts Original Medicare only and measures volume, not quality.
- What is Nathan Valencia Still's NPI number?
- 1356722003. 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 Nathan Valencia Still, 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 | 556 |
|---|---|
| Services billed to Medicare | 1,098 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)495 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)148 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)107 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)103 services
- Hospital discharge day management, more than 30 minutes (99239)68 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 pressure73%
- High cholesterol62%
- Arthritis48%
- Ischemic heart disease31%
- Diabetes28%
- Depression26%
Hospitals where Nathan Valencia Still works
Medicare's Facility Affiliation Data lists Nathan Valencia Still 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 Fort Collins Medical CenterFort Collins, CO · Acute Care Hospital · Emergency services: listed by Medicare · CCN 060126
- Banner North Colorado Medical CenterGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060001
- Ivinson Memorial HospitalLaramie, WY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 530025
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060010
Practice locations
Addresses where Nathan Valencia Still is enrolled with Medicare (CMS data updated October 2, 2026).
- 1801 16th StGreeley, CO 80631 (970) 810‑4593
- 255 N 30th StLaramie, WY 82072 (307) 742‑2142
- 4700 Lady Moon DrFort Collins, CO 80528 (910) 821‑4288
Group practices
Medicare enrollment lists Nathan Valencia Still as a member of these groups (CMS data updated October 2, 2026).
- Banner Hospital Based Physicians Colorado LLC75 clinicians in the group
- Ivinson Memorial Hospital63 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Greeley
Clinicians with the same Medicare primary specialty in Greeley, CO — not a recommendation.
Other clinicians in Banner Hospital Based Physicians Colorado LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City University Of Med & Biosciences, College Of Osteo Med |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356722003 |
| 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