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

Dr. Thoan Ferguson, RN, DC

Individual provider Chiropractor · NPI 1528778297

Dr. Thoan Ferguson, RN, DC is a Chiropractor in Hayward, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2022
Specialties on file
5
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1866 B St Ste 201
Hayward, CA 94541
Phone: (510) 566-5604
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 19177 Madison Ave, Castro Valley, CA 94546-3560 — (408) 390-5554

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 36366DC (CA)
Chiropractor Taxonomy 111N00000X · Licence 36366 (CA)
Pediatric Chiropractor Taxonomy 111NP0017X · Licence 36366DC (CA)
Registered Nurse Taxonomy 163W00000X · Licence 527930RN (CA)
Lactation Consultant (Registered Nurse) Taxonomy 163WL0100X · Licence 527930RN (CA)

Record details

NPI number1528778297
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , DC
Sole proprietorNo
NPI enumeratedDecember 2, 2022
Last updated in NPPESAugust 23, 2023
Certification dateDecember 2, 2022

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