Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Sung
Surgery Physician in Oakland, CA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225423072
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Registry record
Entity type Individual (Type 1)
Name Michael Sung
Sex Male
Practice address 365 Hawthorne Ave Ste 101, Oakland, CA, 94609
Phone (510) 465-5523
Fax (510) 832-6061
Enumeration date Mar 30, 2015
Last updated in NPPES Feb 11, 2025
Taxonomy & licenses
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
What is the NPI number for Michael Sung?
The National Provider Identifier (NPI) for Michael Sung is 1225423072, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Sung practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Steven Stanten Surgery Physician · Oakland, CA NPI 1285697698 Benjamin Sopczynski Surgery Physician · Oakland, CA NPI 1336554708 Hnoukaj Lyfoung Surgery Physician · Oakland, CA NPI 1053774919 Jennifer Lee Surgery Physician · Oakland, CA NPI 1770937641 Nicholas Gonsalves Student in an Organized Health Care Education/Training Program · Oakland, CA NPI 1124553987 Katherine Burns Surgical Physician Assistant · Oakland, CA NPI 1467975953 Nikhilesh Chitibomma Student in an Organized Health Care Education/Training Program · Oakland, CA NPI 1063031896
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-11.