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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Choon-Weng Chan, M.D.

Internal Medicine Physician in Elk Grove, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1528088937

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Registry record

Entity type Individual (Type 1)
Name Choon-Weng Chan
Credential M.D.
Sex Male
Practice address 8220 Wymark Dr, Elk Grove, CA, 95757
Phone (916) 667-0600
Fax (916) 683-0232
Enumeration date Jul 20, 2006
Last updated in NPPES Jul 10, 2014

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 227845 (MA) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License C129586 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

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Frequently asked questions

Is NPI 1528088937 active?
Yes, as of the latest NPPES snapshot, NPI 1528088937 is active (record last updated 2014-07-10).
How do I verify Choon-Weng Chan's NPI record?
Cross-check NPI 1528088937 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-07-10.