Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Martha Ann Knudson, P.T.
Physical Therapist in Mesa, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376667246
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Registry record
Entity type Individual (Type 1)
Name Mrs. Martha Ann Knudson
Credential P.T.
Sex Female
Practice address 6641 E Baywood Ave, Suite A-4, Mesa, AZ, 85206
Phone (480) 396-9020
Enumeration date Mar 18, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0176 (AZ) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Martha Knudson?
The National Provider Identifier (NPI) for Martha Knudson is 1376667246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Martha Knudson practice?
The practice location on file with NPPES is in Mesa, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mary Cummins Physical Therapist · Mesa, AZ NPI 1760424238 Desert View Physical Therapy Physical Therapist · Mesa, AZ NPI 1093750762 Katherine Mccuaig Surgery Physician · Mesa, AZ NPI 1467484659 Susan Bratrud Physical Therapist · Mesa, AZ NPI 1396778817 Dr Afeworki Kidane Ltd Neuromusculoskeletal Medicine & OMM Physician · Mesa, AZ NPI 1366462764 David C Johnson MD PC Surgery Physician · Mesa, AZ NPI 1790896033 Leo G Stinnett Jr MD Plc Surgery Physician · Mesa, AZ NPI 1487722237 Arete Sleep LLC Sleep Disorder Diagnostic Clinic/Center · Mesa, AZ NPI 1265584254
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.