Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tracey Weng, OD
Optometrist in Medford, MA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720762305
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Tracey Weng
Credential OD
Sex Female
Practice address 4110 Mystic Valley Pkwy, Medford, MA, 02155
Phone (781) 350-7008
Enumeration date Jun 14, 2023
Last updated in NPPES Oct 15, 2023
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Tracey Weng?
Tracey Weng is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Rose Redmond Optometrist · Medford, MA NPI 1871680298 Luxottica of America Inc. Eyewear Supplier · Medford, MA NPI 1588724520 Yuliya Shanley Family Nurse Practitioner · Medford, MA NPI 1841534906 Urgent Care of Medford, LLC Urgent Care Clinic/Center · Medford, MA NPI 1053855247 Amelia Burns Optometrist · Medford, MA NPI 1982227146 Patriot Urgent Care Professionals PC Urgent Care Clinic/Center · Medford, MA NPI 1609684430
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-15.