Matthew Rulon Williams, M.D.
NPI 1831423250ActiveIndividual· Pediatrics, Pediatric Cardiology· San Diego, CA
Pediatrics, Pediatric Cardiology (M.D.) in San Diego, California, trained at University of Colorado School of Medicine, Denver (class of 2008). Enrolled in Medicare as practitioner - pediatric medicine. Cordis US Corp. reported $32.42 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1831423250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2009 |
| Last updated in NPPES | May 3, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Cardiology Primary | 2080P0202X | A109398 | CA |
| Pediatrics | 208000000X | A109398 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pediatric Medicine (CA) |
|---|
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Rady Children's Hospital San DiegoSan Diego, CA · 169 clinicians
Industry payments (Open Payments)
- 2025$32.42 · 2 payments from 1 company
- 2024$167.34 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cordis US Corp. | $32.42 | 2 |
What the 2025 payments were for
- Food and Beverage$32.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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