Quick answers
- Does William Hayes Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William Hayes Jr. 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 William Hayes Jr. see?
- In 2024, CMS data shows 95 Original Medicare patients and 513 services for William Hayes Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William Hayes Jr.'s NPI number?
- 1811971732. 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 William Hayes Jr., 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 | 95 |
|---|---|
| Services billed to Medicare | 513 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)180 services
- X-ray of foot, minimum of 3 views (73630)79 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)78 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 services
- X-ray of ankle, minimum of 3 views (73610)24 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%
- Arthritis73%
- High blood pressure62%
- Diabetes20%
- Depression19%
- Atrial fibrillation19%
Practice locations
Addresses where William Hayes Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 9480 Double Diamond Pkwy, Suite 100Reno, NV 89521 (775) 786‑1600
Group practices
Medicare enrollment lists William Hayes Jr. as a member of this group (CMS data updated October 2, 2026).
- Hayes and Fyda MDS Ltd24 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Reno
Clinicians with the same Medicare primary specialty in Reno, NV — not a recommendation.
Other clinicians in Hayes and Fyda MDS Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811971732 |
| 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
- 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