Thoan Ferguson, RN, DC
NPI 1528778297 · Chiropractor · Hayward, CA
Thoan Ferguson, RN, DC is a Chiropractor provider in Hayward, CA (NPI 1528778297).
Provider details
- NPI number
- 1528778297
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- RN, DC
- Sex
- Female
- Sole proprietor
- No
- License
- 36366 (CA)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Chiropractic Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 19177 Madison AveCastro Valley, CA 94546-3560Phone: (408) 390-5554
Registry dates
- Enumerated
- 2022-12-02
- Last updated
- 2023-08-23
- Certified
- 2022-12-02
Frequently asked questions
- What is Thoan Ferguson's NPI number?
- Thoan Ferguson's National Provider Identifier (NPI) is 1528778297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thoan Ferguson's specialty?
- Thoan Ferguson is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Thoan Ferguson located?
- Thoan Ferguson's practice location on file with NPPES is 1866 B Street, Hayward, CA 94541.
- What is Thoan Ferguson's phone number?
- The practice phone number listed in the NPPES registry for Thoan Ferguson is (510) 566-5604.
- Is Thoan Ferguson's NPI active?
- Yes — Thoan Ferguson's NPI (1528778297) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.