Quick answers
- Which hospitals does Jefferey S. Winningham work at?
- Medicare's official clinician data lists Jefferey S. Winningham at 1 hospital: Providence Regional Medical Center Everett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jefferey S. Winningham see patients?
- Medicare's clinician data lists 1 practice location in Everett, WA. Call before your visit to confirm the address.
- What is Jefferey S. Winningham's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Jefferey S. Winningham accept Medicare assignment?
- Yes. Medicare's clinician data says Jefferey S. Winningham 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 Jefferey S. Winningham?
- (425) 261-2000, as listed in official Medicare / NPI Registry data.
- What is Jefferey S. Winningham's NPI number?
- 1043316110. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jefferey S. Winningham works
Medicare's Facility Affiliation Data lists Jefferey S. Winningham at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · CCN 500014
Practice locations
Addresses where Jefferey S. Winningham is enrolled with Medicare (CMS data updated 2026-10-02).
- 1321 Colby AveEverett, WA 98201 (425) 261‑2000
Group practices
Medicare enrollment lists Jefferey S. Winningham as a member of this group (CMS data updated 2026-10-02).
- Providence Health and Services- Washington529 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Everett
Clinicians with the same Medicare primary specialty in Everett, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043316110 |
| 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