Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diana Chu, OD
Optometrist in Greenbelt, MD · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174149207
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Registry record
Entity type Individual (Type 1)
Name Diana Chu
Credential OD
Sex Female
Practice address 7500 Greenway Center Dr Ste 300, Greenbelt, MD, 20770
Phone (301) 277-4844
Enumeration date Jun 24, 2020
Last updated in NPPES Jun 24, 2020
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
Where does Diana Chu practice?
The practice location on file with NPPES is in Greenbelt, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diana Chu?
The National Provider Identifier (NPI) for Diana Chu is 1174149207, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Washington Eye Institute, LLC Ophthalmology Physician · Greenbelt, MD NPI 1740450816 Joseph Mekhail Cornea and External Diseases Specialist Physician · Greenbelt, MD NPI 1023540846 Sarah Chang Ophthalmology Physician · Greenbelt, MD NPI 1790280402 Zachary Eller Ophthalmology Physician · Greenbelt, MD NPI 1841935582 Washington Eye Institute, LLC Optometrist · Greenbelt, MD NPI 1003773474
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-24.