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Yvonne Usher, D.C.
NPI 1720177520 · Chiropractor · Castro Valley, CA
Yvonne Usher, D.C. is a Chiropractor provider in Castro Valley, CA (NPI 1720177520).
Provider details
- NPI number
- 1720177520
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- DC26938 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
2881 Castro Valley Blvd
1
Castro Valley, CA 94546-5566
Phone: (510) 538-6820
Fax: (510) 538-6821
Street-level locationGet directions
Mailing address
95 Argonaut
Aliso Viejo, CA 92656-4133
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Yvonne Usher's NPI number?
- Yvonne Usher's National Provider Identifier (NPI) is 1720177520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Usher's specialty?
- Yvonne Usher is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Yvonne Usher located?
- Yvonne Usher's practice location on file with NPPES is 2881 Castro Valley Blvd, Castro Valley, CA 94546-5566.
- What is Yvonne Usher's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Usher is (510) 538-6820.
- Is Yvonne Usher's NPI active?
- Yes — Yvonne Usher's NPI (1720177520) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.