Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alissa Tam, PharmD
Pharmacist in Waltham, MA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275445249
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Registry record
Entity type Individual (Type 1)
Name Alissa Tam
Credential PharmD
Sex Female
Practice address 69 Hickory Dr Ste 1, Waltham, MA, 02451
Phone (781) 373-9199
Enumeration date Sep 22, 2026
Last updated in NPPES Sep 22, 2026
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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 Alissa Tam practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alissa Tam?
The National Provider Identifier (NPI) for Alissa Tam is 1275445249, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-22.