William James Mosley II, M.D.
NPI 1518114370ActiveIndividual· Internal Medicine, Cardiovascular Disease· Fontana, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Fontana, California, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2005). Part D covered 12 prescriptions written in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $6,520 in all, mostly travel and lodging.
Overview
| NPI | 1518114370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 24, 2008 |
| Last updated in NPPES | Apr 8, 2026 |
| Certified by provider | Apr 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A115265 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA); Practitioner - Cardiovascular Disease (Cardiology) (HI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 33 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $329.34 |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
Industry payments (Open Payments)
- 2025$6,520 · 35 payments from 2 companies
- 2024$11,698 · 21 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $4,645 | 25 |
| Edwards Lifesciences Corporation | $1,875 | 10 |
What the 2025 payments were for
- Travel and Lodging$5,433 · 19 payments
- Food and Beverage$1,086 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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