William Joyce, MD
NPI 1851359228 · Diagnostic Radiology Physician · Spartanburg, SC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Joyce, MD is a Diagnostic Radiology Physician provider in Spartanburg, SC (NPI 1851359228).
Provider details
- NPI number
- 1851359228
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19341 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,268 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 1,785 | $9 |
| X-Ray of Chest, 1 View71045 | 811 | $8 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 391 | $105 |
| Ct Scan Head Or Brain Without Contrast70450 | 331 | $37 |
| X-Ray of Chest, 2 Views71046 | 206 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 192 | $81 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2019-03-27
Frequently asked questions
- What is William Joyce's NPI number?
- William Joyce's National Provider Identifier (NPI) is 1851359228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Joyce's specialty?
- William Joyce is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Joyce located?
- William Joyce's practice location on file with NPPES is 101 E Wood St, Spartanburg, SC 29303-3040.
- What is William Joyce's phone number?
- The practice phone number listed in the NPPES registry for William Joyce is (864) 560-6522.
- Does William Joyce accept Medicare?
- William Joyce is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Joyce's NPI active?
- Yes — William Joyce's NPI (1851359228) is active in the NPPES registry as of the last update on 2019-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.