Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Joan Chi-Chi Chang, LAC, PHD

Individual provider Acupuncturist · NPI 1578636676

MS. Joan Chi-Chi Chang, LAC, PHD is an Acupuncturist in Vallejo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1416 Tennessee St Ste 5
Vallejo, CA 94590-4647
Phone: (707) 557-3680
Fax: (707) 557-2589
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acupuncturist (primary) Taxonomy 171100000X · Licence AC1334 (CA)

Record details

NPI number1578636676
Entity typeIndividual (Type 1)
GenderFemale
Credentials LAC , PHD
Sole proprietorYes
NPI enumeratedNovember 16, 2006
Last updated in NPPESJuly 8, 2007

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