Quick answers
- Which hospitals does Stephen D. Hennessey work at?
- Medicare's official clinician data lists Stephen D. Hennessey at 1 hospital: Providence Centralia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen D. Hennessey see patients?
- Medicare's clinician data lists 3 practice locations, including Toledo, WA and Centralia, WA. Call before your visit to confirm the address.
- What is Stephen D. Hennessey's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Stephen D. Hennessey accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen D. Hennessey 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 Stephen D. Hennessey?
- (360) 864-4400, as listed in official Medicare / NPI Registry data.
- What is Stephen D. Hennessey's NPI number?
- 1376544098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen D. Hennessey works
Medicare's Facility Affiliation Data lists Stephen D. Hennessey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Centralia HospitalCentralia, WA · Acute Care Hospital · CCN 500019
Practice locations
Addresses where Stephen D. Hennessey is enrolled with Medicare (CMS data updated 2026-10-02).
- 117 Ramsey WayToledo, WA 98591 (360) 864‑4400
- 117 Ramsey Way, Valley View ToledoToledo, WA 98591 (360) 864‑4400
- 1800 Cooks Hill RdCentralia, WA 98531
Group practices
Medicare enrollment lists Stephen D. Hennessey as a member of this group (CMS data updated 2026-10-02).
- Lewis County Community Health Services32 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376544098 |
| 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