What is Jack Chang's NPI number?

Jack Chang's National Provider Identifier (NPI) is 1699917021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jack Chang's specialty?

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

Where is Jack Chang located?

Jack Chang's practice location on file with NPPES is 517 South B Street, San Mateo, CA 94401.

What is Jack Chang's phone number?

The practice phone number listed in the NPPES registry for Jack Chang is (408) 823-8659.

Is Jack Chang's NPI active?

Yes — Jack Chang's NPI (1699917021) is active in the NPPES registry as of the last update on 2015-05-22.

IndividualActive

Jack Chang, L.AC. MS

NPI 1699917021 · Acupuncturist · San Mateo, CA

Jack Chang, L.AC. MS is a Acupuncturist provider in San Mateo, CA (NPI 1699917021).

Provider details

NPI number: 1699917021
Entity type: Individual
Primary specialty: AcupuncturistOther Service Providers
Credential: L.AC. MS
Sex: Male
Sole proprietor: Yes
License: AC12856 (CA)

Specialties & taxonomies

AcupuncturistPrimary171100000XLicense AC12856 (CA)
Other Service Providers

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
17 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

517 South B Street

Suite B

San Mateo, CA 94401

Phone: (408) 823-8659

Street-level locationGet directions

More CA providers

Mailing address