Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kristina A. Ryan, MAC,LAC
Acupuncturist in Lexington, MA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710219423
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Registry record
Entity type Individual (Type 1)
Name Kristina A. Ryan
Credential MAC,LAC
Sex Female
Practice address 1719 Massachusetts Ave, Lexington, MA, 02420
Phone (781) 910-5927
Enumeration date Feb 4, 2010
Last updated in NPPES Feb 4, 2010
Taxonomy & licenses
LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture.
About the LAC 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
Where does Kristina Ryan practice?
The practice location on file with NPPES is in Lexington, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kristina Ryan?
The National Provider Identifier (NPI) for Kristina Ryan is 1710219423, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-04.