Quick answers
- Does Amy K. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Amy K. Nguyen 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 Amy K. Nguyen see?
- In 2024, CMS data shows 111 Original Medicare patients and 764 services for Amy K. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Amy K. Nguyen's NPI number?
- 1588023634. 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 Amy K. Nguyen, 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 | 111 |
|---|---|
| Services billed to Medicare | 764 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)322 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)67 services
- Aspiration and/or injection of fluid from large joint (20610)39 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)26 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 cholesterol75%
- Arthritis75%
- High blood pressure66%
- Anxiety26%
- Depression23%
- Ischemic heart disease22%
Hospitals where Amy K. Nguyen works
Medicare's Facility Affiliation Data lists Amy K. Nguyen 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.
- AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060125
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060113
Practice locations
Addresses where Amy K. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2350 Meadows BlvdCastle Rock, CO 80109 (720) 455‑0650
- 2353 Meadows Blvd, Suite 300Castle Rock, CO 80109 (720) 455‑3750
- 2360 Meadows Blvd, Suite 300Castle Rock, CO 80109 (303) 715‑7106
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 4350 Limelight Ave, Suite 100Castle Rock, CO 80109 (720) 455‑3775
Group practices
Medicare enrollment lists Amy K. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Castle Rock
Clinicians with the same Medicare primary specialty in Castle Rock, CO — not a recommendation.
Other clinicians in Portercare Adventist Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588023634 |
| 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