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

Thomas Lian MD APC

Organization Psychiatry Physician · NPI 1871712349

Thomas Lian MD APC is a Psychiatry Physician 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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