Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Thomas Lian MD APC

Organization Psychiatry Physician · NPI 1871712349

Thomas Lian MD APC provides Psychiatry Physician services in San Diego, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
APC — A professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4077 Fifth Ave
San Diego, CA 92103-2105
Phone: (619) 220-8114
Fax: (877) 253-9831
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G60506 (CA)

Record details

NPI number1871712349
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thomas Lian — Owner · (619) 220-8114
NPI enumeratedApril 24, 2007
Last updated in NPPESAugust 16, 2020
Certification dateAugust 16, 2020
Mailing addressPo Box 9268, Rancho Santa Fe, CA 92067-4268

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