Quick answers
- Does Susan L. Knowlton accept Medicare assignment?
- Yes. Medicare's clinician data says Susan L. Knowlton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Susan L. Knowlton's NPI number?
- 1881738508. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Susan L. Knowlton works
Medicare's Facility Affiliation Data lists Susan L. Knowlton at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
Practice locations
Addresses where Susan L. Knowlton is enrolled with Medicare (CMS data updated October 2, 2026).
- 1608 S J StTacoma, WA 98405
- 1617 S J StTacoma, WA 98405 (253) 426‑6306
- 1717 S J StTacoma, WA 98405 (253) 426‑6341
- 1812 S J St, Suite 120Tacoma, WA 98405 (253) 428‑2200
Group practices
Medicare enrollment lists Susan L. Knowlton as a member of this group (CMS data updated October 2, 2026).
- Franciscan Medical Group1,421 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Tacoma
Clinicians with the same Medicare primary specialty in Tacoma, WA — not a recommendation.
Other clinicians in Franciscan Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881738508 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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