Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Susan K Ung, O.D.
Optometrist in Montebello, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679582225
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Registry record
Entity type Individual (Type 1)
Name Susan K Ung
Credential O.D.
Sex Female
Practice address 2446 W Whittier Blvd, Montebello, CA, 90640
Phone (323) 728-5500
Fax (323) 728-5500
Enumeration date Aug 5, 2006
Last updated in NPPES Jan 13, 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
Where does Susan Ung practice?
The practice location on file with NPPES is in Montebello, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Susan Ung?
The National Provider Identifier (NPI) for Susan Ung is 1679582225, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Albert Sheffer Ophthalmology Physician · Montebello, CA NPI 1992738603 Albert De La Pena Ophthalmology Physician · Montebello, CA NPI 1649295114 William De La Pena Ophthalmology Physician · Montebello, CA NPI 1598784415 Melissa Crowley Ophthalmology Physician · Montebello, CA NPI 1477572394 De La Pena Eye Clinic, A Medical Group, Inc. Ophthalmology Physician · Montebello, CA NPI 1114931052 Thien Nguyen Optometrist · Montebello, CA NPI 1568471373 A De La Pena M D A Medical Group Inc Ophthalmology Physician · Montebello, CA NPI 1871503557 Richard Foulkes Ophthalmology Physician · Montebello, CA NPI 1932312063
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-13.