Quick answers
- Which hospitals does John Holroyd work at?
- Medicare's official clinician data lists John Holroyd at 1 hospital: PeaceHealth St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Holroyd see patients?
- Medicare's clinician data lists 3 practice locations, including Burien, WA, Bellingham, WA and Puyallup, WA. Call before your visit to confirm the address.
- What is John Holroyd's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does John Holroyd accept Medicare assignment?
- Yes. Medicare's clinician data says John Holroyd 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 John Holroyd?
- (206) 244-9970, as listed in official Medicare / NPI Registry data.
- What is John Holroyd's NPI number?
- 1811996234. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Holroyd works
Medicare's Facility Affiliation Data lists John Holroyd at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PeaceHealth St Joseph Medical CenterBellingham, WA · Acute Care Hospital · CCN 500030
Practice locations
Addresses where John Holroyd is enrolled with Medicare (CMS data updated 2026-10-02).
- 16251 Sylvester Rd SWBurien, WA 98166 (206) 244‑9970
- 2901 Sqaulicum PkwyBellingham, WA 98225 (360) 734‑5400
- 407 14th Ave SEPuyallup, WA 98372 (253) 697‑4000
Group practices
Medicare enrollment lists John Holroyd as a member of this group (CMS data updated 2026-10-02).
- South Sound Inpatient Physicians PLLC422 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Burien
Clinicians with the same Medicare primary specialty in Burien, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811996234 |
| 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