Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Masoud Sultan Chopan, DO
Surgery Physician in Berkeley, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659891141
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Registry record
Entity type Individual (Type 1)
Name Masoud Sultan Chopan
Credential DO
Sex Male
Practice address 3010 Colby St Ste 118, Berkeley, CA, 94705
Phone (510) 486-0818
Fax (510) 486-0819
Enumeration date Jun 26, 2017
Last updated in NPPES Dec 18, 2024
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO 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 Masoud Chopan practice?
The practice location on file with NPPES is in Berkeley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Masoud Chopan?
The National Provider Identifier (NPI) for Masoud Chopan is 1659891141, 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 2024-12-18.