Quick answers
- Does Shawn J. Nakamura accept Medicare assignment?
- Yes. Medicare's clinician data says Shawn J. Nakamura 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 Shawn J. Nakamura see?
- In 2024, CMS data shows 255 Original Medicare patients and 3,194 services for Shawn J. Nakamura. This counts Original Medicare only and measures volume, not quality.
- What is Shawn J. Nakamura's NPI number?
- 1063497246. 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 Shawn J. Nakamura, 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 | 255 |
|---|---|
| Services billed to Medicare | 3,194 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (J7318)1,500 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)604 services
- Aspiration and/or injection of fluid from large joint (20610)218 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)147 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)106 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 pressure69%
- Anxiety27%
- Ischemic heart disease24%
- Chronic kidney disease24%
Hospitals where Shawn J. Nakamura works
Medicare's Facility Affiliation Data lists Shawn J. Nakamura 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
- AdventHealth ParkerParker, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060114
Practice locations
Addresses where Shawn J. Nakamura 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 Shawn J. Nakamura as a member of this group (CMS data updated October 2, 2026).
- Portercare Adventist Health System774 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons 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 | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063497246 |
| 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