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Janet Williams, L.AC.
NPI 1255356697 · Acupuncturist · Oakland, CA
Janet Williams, L.AC. is a Acupuncturist provider in Oakland, CA (NPI 1255356697).
Provider details
- NPI number
- 1255356697
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Female
- Sole proprietor
- Yes
- License
- AC5801 (CA)
Specialties & taxonomies
Other Service 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
4414 Piedmont Ave
Oakland, CA 94611-4219
Phone: (510) 459-4578
Fax: (510) 654-1531
Street-level locationGet directions
Mailing address
3366 Kiwanis St
Oakland, CA 94602-4006
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Janet Williams's NPI number?
- Janet Williams's National Provider Identifier (NPI) is 1255356697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Williams's specialty?
- Janet Williams is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Janet Williams located?
- Janet Williams's practice location on file with NPPES is 4414 Piedmont Ave, Oakland, CA 94611-4219.
- What is Janet Williams's phone number?
- The practice phone number listed in the NPPES registry for Janet Williams is (510) 459-4578.
- Is Janet Williams's NPI active?
- Yes — Janet Williams's NPI (1255356697) 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.