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

Eugene W Tsai MD a Professional Medical Corporation

Organization Allergy & Immunology Physician · NPI 1134453392

Eugene W Tsai MD a Professional Medical Corporation is an Allergy & Immunology Physician in Los Alamitos, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2009

Practice location Address checks out

3801 Katella Ave Ste 222
Los Alamitos, CA 90720-3365
Phone: (562) 594-8831
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 12225 South St, Artesia, CA 90701-7053 — (562) 865-2402

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence A70444 (CA)

Record details

NPI number1134453392
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Eugene Tsai — Physician · (562) 594-8831
NPI enumeratedSeptember 21, 2009
Last updated in NPPESMay 2, 2018
Mailing address3801 Katella Ave Ste 222, Los Alamitos, CA 90720-3365

Other providers in Los Alamitos