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

David Hao Tien

Individual provider Peer Specialist · NPI 1699238444

David Hao Tien is a Peer Specialist in Orange, California. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

401 S Tustin St Bldg C
Orange, CA 92866-2550
Phone: (714) 361-4860
Fax: (714) 361-4861
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Peer Specialist (primary) Taxonomy 175T00000X

Record details

NPI number1699238444
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 9, 2019
Last updated in NPPESApril 9, 2019
Mailing address401 S Tustin St Bldg C, Orange, CA 92866-2550

Other providers in Orange