Susan Knowlton, MD
NPI 1881738508 · Anesthesiology Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Knowlton, MD is a Anesthesiology Physician provider in Tacoma, WA (NPI 1881738508).
Provider details
- NPI number
- 1881738508
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00048622 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1717 S J StTacoma, WA 98405-4933Phone: (253) 426-6341Fax: (253) 426-6344
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2025-05-30
- Certified
- 2025-05-30
Frequently asked questions
- What is Susan Knowlton's NPI number?
- Susan Knowlton's National Provider Identifier (NPI) is 1881738508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Knowlton's specialty?
- Susan Knowlton is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Knowlton located?
- Susan Knowlton's practice location on file with NPPES is 315 Martin Luther King Jr Way, Tacoma, WA 98405-4234.
- What is Susan Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Susan Knowlton is (253) 274-1661.
- Does Susan Knowlton accept Medicare?
- Susan Knowlton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Knowlton's NPI active?
- Yes — Susan Knowlton's NPI (1881738508) is active in the NPPES registry as of the last update on 2025-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.