Susan Mazzaferro-Knowles, PT
NPI 1881641942 · Physical Therapist · Lynnwood, WA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Mazzaferro-Knowles, PT is a Physical Therapist provider in Lynnwood, WA (NPI 1881641942).
Provider details
- NPI number
- 1881641942
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- PT00005338 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2020-03-26
- Certified
- 2020-03-26
Frequently asked questions
- What is Susan Mazzaferro-Knowles's NPI number?
- Susan Mazzaferro-Knowles's National Provider Identifier (NPI) is 1881641942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Mazzaferro-Knowles's specialty?
- Susan Mazzaferro-Knowles is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Susan Mazzaferro-Knowles located?
- Susan Mazzaferro-Knowles's practice location on file with NPPES is 3005 Alderwood Mall Pkwy, Lynnwood, WA 98036-6921.
- What is Susan Mazzaferro-Knowles's phone number?
- The practice phone number listed in the NPPES registry for Susan Mazzaferro-Knowles is (206) 979-1413.
- Does Susan Mazzaferro-Knowles accept Medicare?
- Susan Mazzaferro-Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Mazzaferro-Knowles's NPI active?
- Yes — Susan Mazzaferro-Knowles's NPI (1881641942) is active in the NPPES registry as of the last update on 2020-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.