Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Yong S. Chen, MD, Inc

Organization Anesthesiology Physician · NPI 1811057276

Yong S. Chen, MD, Inc is an Anesthesiology Physician in Glendora, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

250 S Grand Ave
Glendora, CA 91741-4218
Phone: (626) 857-3140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A36329 (CA)

Record details

NPI number1811057276
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Alan Ryono — Office Manager · (626) 964-6352
NPI enumeratedDecember 8, 2006
Last updated in NPPESOctober 1, 2007
Mailing addressPo Box 4007, Diamond Bar, CA 91765-0007

Other providers in Glendora