Quick answers
- Which hospitals does Allen L. Johnson work at?
- Medicare's official clinician data lists Allen L. Johnson at 2 hospitals: Island Hospital and Providence Regional Medical Center Everett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allen L. Johnson see patients?
- Medicare's clinician data lists 6 practice locations, including Anacortes, WA, Mount Vernon, WA and Puyallup, WA. Call before your visit to confirm the address.
- What is Allen L. Johnson's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Allen L. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Allen L. Johnson 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 Allen L. Johnson?
- (855) 722-9700, as listed in official Medicare / NPI Registry data.
- What is Allen L. Johnson's NPI number?
- 1528035565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allen L. Johnson works
Medicare's Facility Affiliation Data lists Allen L. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Island HospitalAnacortes, WA · Acute Care Hospital · CCN 500007
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · CCN 500014
Practice locations
Addresses where Allen L. Johnson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1119 26th StAnacortes, WA 98221 (855) 722‑9700
- 1211 24th StAnacortes, WA 98221 (360) 299‑1300
- 1415 E Kincaid StMount Vernon, WA 98274 (360) 424‑4111
- 407 14th Ave SEPuyallup, WA 98372 (253) 697‑4000
- 6220 S Alaska StTacoma, WA 98408 (877) 883‑9430
Group practices
Medicare enrollment lists Allen L. Johnson as a member of these groups (CMS data updated 2026-10-02).
- Post Acute Medical PLLC439 clinicians in the group
- South Sound Inpatient Physicians PLLC422 clinicians in the group
- Northwest Hospital Medicine Physicians LLC69 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528035565 |
| 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