IndividualActive
Timothy Yan, L.AC.
NPI 1427198423 · Acupuncturist · Hercules, CA
Timothy Yan, L.AC. is a Acupuncturist provider in Hercules, CA (NPI 1427198423).
Provider details
- NPI number
- 1427198423
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Male
- Sole proprietor
- No
- License
- 8043 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(94/100 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
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
500 Alfred Nobel Dr Ste 220
Hercules, CA 94547-1840
Phone: (510) 724-8882
Fax: (510) 779-5349
Street-level locationGet directions
Mailing address
500 Alfred Nobel Dr Ste 220
Hercules, CA 94547-1840
Additional practice locations (1)
- 2168 Railroad AveHercules, CA 94547-2707Phone: (510) 724-8882
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2018-10-29
Frequently asked questions
- What is Timothy Yan's NPI number?
- Timothy Yan's National Provider Identifier (NPI) is 1427198423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Yan's specialty?
- Timothy Yan is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Timothy Yan located?
- Timothy Yan's practice location on file with NPPES is 500 Alfred Nobel Dr Ste 220, Hercules, CA 94547-1840.
- What is Timothy Yan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Yan is (510) 724-8882.
- Is Timothy Yan's NPI active?
- Yes — Timothy Yan's NPI (1427198423) is active in the NPPES registry as of the last update on 2018-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.