IndividualActive
Chi Nan Yen
NPI 1295598084 · Acupuncturist · Walnut Creek, CA
Chi Nan Yen is a Acupuncturist provider in Walnut Creek, CA (NPI 1295598084).
Provider details
- NPI number
- 1295598084
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 19973 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
1840 San Miguel Dr Ste 203
Walnut Creek, CA 94596-4912
Phone: (925) 391-0066
Street-level locationGet directions
Mailing address
2093 Treewood Ln
San Jose, CA 95132-1244
Registry dates
- Enumerated
- 2024-02-05
- Last updated
- 2024-02-05
- Certified
- 2024-02-03
Frequently asked questions
- What is Chi Nan Yen's NPI number?
- Chi Nan Yen's National Provider Identifier (NPI) is 1295598084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chi Nan Yen's specialty?
- Chi Nan Yen is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Chi Nan Yen located?
- Chi Nan Yen's practice location on file with NPPES is 1840 San Miguel Dr Ste 203, Walnut Creek, CA 94596-4912.
- What is Chi Nan Yen's phone number?
- The practice phone number listed in the NPPES registry for Chi Nan Yen is (925) 391-0066.
- Is Chi Nan Yen's NPI active?
- Yes — Chi Nan Yen's NPI (1295598084) is active in the NPPES registry as of the last update on 2024-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.