What is Samuel Chang's NPI number?

Samuel Chang's National Provider Identifier (NPI) is 1689446825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Samuel Chang's specialty?

Samuel Chang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Samuel Chang located?

Samuel Chang's practice location on file with NPPES is 1310 Club Dr, Vallejo, CA 94592-1187.

What is Samuel Chang's phone number?

The practice phone number listed in the NPPES registry for Samuel Chang is (707) 638-5809.

Is Samuel Chang's NPI active?

Yes — Samuel Chang's NPI (1689446825) is active in the NPPES registry as of the last update on 2023-10-23.

IndividualActive

Samuel Chang

NPI 1689446825 · Physician Assistant · Vallejo, CA

Samuel Chang is a Physician Assistant provider in Vallejo, CA (NPI 1689446825).

Provider details

NPI number: 1689446825
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(51/100 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
83% 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

1310 Club Dr

Vallejo, CA 94592-1187

Phone: (707) 638-5809

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address