What is Yiwen Chang's NPI number?

Yiwen Chang's National Provider Identifier (NPI) is 1720450885, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Yiwen Chang's specialty?

Yiwen Chang is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).

Where is Yiwen Chang located?

Yiwen Chang's practice location on file with NPPES is 645 Pacific Ave Unit 311, Long Beach, CA 90802-1339.

What is Yiwen Chang's phone number?

The practice phone number listed in the NPPES registry for Yiwen Chang is (562) 256-6353.

Is Yiwen Chang's NPI active?

Yes — Yiwen Chang's NPI (1720450885) is active in the NPPES registry as of the last update on 2015-10-28.

IndividualActive

Yiwen Chang, L.AC.

NPI 1720450885 · Acupuncturist · Long Beach, CA

Yiwen Chang, L.AC. is a Acupuncturist provider in Long Beach, CA (NPI 1720450885).

Provider details

NPI number: 1720450885
Entity type: Individual
Primary specialty: AcupuncturistOther Service Providers
Credential: L.AC.
Sex: Female
Sole proprietor: Yes
License: AC15092 (CA)

Specialties & taxonomies

AcupuncturistPrimary171100000XLicense AC15092 (CA)
Other Service Providers

Profile Score

Established profile(73/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
10 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

645 Pacific Ave Unit 311

Long Beach, CA 90802-1339

Phone: (562) 256-6353

Street-level locationGet directions

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Mailing address