Quick answers
- Which hospitals does Christopher Sonnier work at?
- Medicare's official clinician data lists Christopher Sonnier at 4 hospitals: Jefferson Healthcare, Mary Washington Hospital, Olympic Medical Center and St Michael Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher Sonnier see patients?
- Medicare's clinician data lists 1 practice location in Fredericksburg, VA. Call before your visit to confirm the address.
- What is Christopher Sonnier's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Christopher Sonnier accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher Sonnier 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 Christopher Sonnier?
- (540) 741-1100, as listed in official Medicare / NPI Registry data.
- What is Christopher Sonnier's NPI number?
- 1598732513. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher Sonnier works
Medicare's Facility Affiliation Data lists Christopher Sonnier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson HealthcarePort Townsend, WA · Critical Access Hospital · CCN 501323
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · CCN 490022
- Olympic Medical CenterPort Angeles, WA · Acute Care Hospital · CCN 500072
- St Michael Medical CenterSilverdale, WA · Acute Care Hospital · CCN 500039
Practice locations
Addresses where Christopher Sonnier is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Sam Perry BlvdFredericksburg, VA 22401 (540) 741‑1100
Group practices
Medicare enrollment lists Christopher Sonnier as a member of this group (CMS data updated 2026-10-02).
- Mary Washington Healthcare Physicians282 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598732513 |
| 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