Quick answers
- Which hospitals does Madison Castro work at?
- Medicare's official clinician data lists Madison Castro at 2 hospitals: Riverside Doctors' Hospital of Williamsburg and Riverside Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Madison Castro see patients?
- Medicare's clinician data lists 4 practice locations, including Richmond, VA, Newport News, VA and Gloucester, VA. Call before your visit to confirm the address.
- What is Madison Castro's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Madison Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Madison Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Madison Castro?
- (804) 923-3500, as listed in official Medicare / NPI Registry data.
- What is Madison Castro's NPI number?
- 1265287536. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Madison Castro works
Medicare's Facility Affiliation Data lists Madison Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Riverside Doctors' Hospital of WilliamsburgWilliamsburg, VA · Acute Care Hospital · CCN 490143
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · CCN 490052
Practice locations
Addresses where Madison Castro is enrolled with Medicare (CMS data updated 2026-10-02).
- 1801 Ellen RdRichmond, VA 23230 (804) 923‑3500
- 500 J Clyde Morris BlvdNewport News, VA 23601 (757) 594‑2911
- 7519 Hospital DrGloucester, VA 23061 (804) 693‑8856
- 9630 Iron Bridge RdChesterfield, VA 23832 (804) 715‑9500
Group practices
Medicare enrollment lists Madison Castro as a member of these groups (CMS data updated 2026-10-02).
- Emergency Coverage LLC775 clinicians in the group
- Peninsula Radiological Associates Limited63 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Richmond
Clinicians with the same Medicare primary specialty in Richmond, VA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265287536 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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