Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ruth Knill, LIC. AC.
Acupuncturist in Arlington, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346303435
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Registry record
Entity type Individual (Type 1)
Name Ruth Knill
Credential LIC. AC.
Sex Female
Practice address 369 Massachusetts Ave, Arlington, MA, 02474
Phone (781) 888-0101
Enumeration date Dec 19, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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
Where does Ruth Knill practice?
The practice location on file with NPPES is in Arlington, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ruth Knill?
The National Provider Identifier (NPI) for Ruth Knill is 1346303435, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.