Susan Mazzaferro-Knowles, PT
Physical Therapist · Lynnwood, WA
Susan Mazzaferro-Knowles, PT is a physical therapist with a practice address in Lynnwood, Washington, and NPI 1881641942, issued on May 27, 2006. Check the license (Washington PT00005338, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Susan Mazzaferro-Knowles
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT00005338 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3005 Alderwood Mall Pkwy, Lynnwood, WA 98036
- Phone
- (206) 979-1413
- Enumerated
- May 27, 2006
- Record last updated
- Mar 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (425) 771-2425
- Medicare enrollment
- Enrolled (PECOS I20040525000017); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,493 in Washington → Look up another NPI →
Also registered at 3005 Alderwood Mall Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachael ScottMassage Therapist1417093311
Verify Susan Mazzaferro-Knowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PT00005338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Susan Mazzaferro-Knowles among 7,493 physical therapist records in Washington
Susan Mazzaferro-Knowles, PT is one of 7,493 physical therapist records with a practice address in Washington. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileNo · 38% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1987 · median 2016 among the 2,929 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
87 physical therapist records list a practice address in Lynnwood
They are 87 of the 2,501 NPPES records with a practice address in Lynnwood, and 7,493 physical therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,493 in Washington → Every provider in Lynnwood → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Maren Bisson, PTLynnwood, WA 980361154472686
- Thomas Diangelis, P.T., D.P.T.Lynnwood, WA 980361871579144
- Susan DumelinLynnwood, WA 980361568579928
- Cynthia George, PTLynnwood, WA 980361598833675
- Nancy Higgins, PTLynnwood, WA 980361629180088
- Donald Labourr, PTLynnwood, WA 980361265540017
- Nancy Mitrano, MS,PTLynnwood, WA 980361003996562
- Ellinor Petri Smith, PTLynnwood, WA 980361841352978
Common questions
What is Susan Mazzaferro-Knowles, PT's NPI number?
Susan Mazzaferro-Knowles, PT's National Provider Identifier (NPI) is 1881641942, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan Mazzaferro-Knowles, PT located?
The NPPES record lists a practice address at 3005 Alderwood Mall Pkwy, Lynnwood, WA, 98036. Phone: (206) 979-1413. Providers update this record themselves, so call before visiting.
How can I verify Susan Mazzaferro-Knowles, PT's license?
NPPES lists Washington license number PT00005338, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.