Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Troy A Demasters, PA
Physician Assistant in Norwood, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427048891
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Registry record
Entity type Individual (Type 1)
Name Troy A Demasters
Credential PA
Sex Male
Practice address 128 Carnegie Row Ste 202, Norwood, MA, 02062
Phone (781) 762-5858
Fax (781) 617-6202
Enumeration date Oct 26, 2005
Last updated in NPPES Oct 5, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA100230 (MA) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA 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 Troy Demasters practice?
The practice location on file with NPPES is in Norwood, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Troy Demasters?
The National Provider Identifier (NPI) for Troy Demasters is 1427048891, 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 2026-10-05.