Quick answers
- Does Justin N. Winn accept Medicare assignment?
- Yes. Medicare's clinician data says Justin N. Winn 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 N. Winn see?
- In 2024, CMS data shows 1,610 Original Medicare patients and 3,598 services for Justin N. Winn. This counts Original Medicare only and measures volume, not quality.
- What is Justin N. Winn's NPI number?
- 1649532557. 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 N. Winn, 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 | 1,610 |
|---|---|
| Services billed to Medicare | 3,598 |
| Different services or procedures | 113 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml (A9579)666 services
- Screening mammography (77067)509 services
- Screening 3d breast mammography (77063)508 services
- X-ray of chest, 1 view (71045)220 services
- Mri scan of leg joint without contrast (73721)107 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%
- High blood pressure72%
- Arthritis55%
- Diabetes29%
- Anxiety28%
- Depression27%
Hospitals where Justin N. Winn works
Medicare's Facility Affiliation Data lists Justin N. Winn 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.
- Mercy General HospitalSacramento, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050017
- Mercy Hospital of FolsomFolsom, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050414
- Mercy Medical Center ReddingRedding, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050280
- Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050516
- Methodist Hospital of SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050590
Practice locations
Addresses where Justin N. Winn is enrolled with Medicare (CMS data updated October 2, 2026).
- 6555 Coyle Ave, Suite 180Carmichael, CA 95608 (916) 536‑2408
Group practices
Medicare enrollment lists Justin N. Winn as a member of this group (CMS data updated October 2, 2026).
- Dignity Health Medical Foundation1,184 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Carmichael
Clinicians with the same Medicare primary specialty in Carmichael, CA — not a recommendation.
Other clinicians in Dignity Health Medical Foundation
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) | 1649532557 |
| 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