What is Dennis Zai's NPI number?

Dennis Zai's National Provider Identifier (NPI) is 1740253350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dennis Zai's specialty?

Dennis Zai is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Dennis Zai located?

Dennis Zai's practice location on file with NPPES is 3903 Lone Tree Way, Antioch, CA 94509-6249.

What is Dennis Zai's phone number?

The practice phone number listed in the NPPES registry for Dennis Zai is (925) 754-8710.

Is Dennis Zai's NPI active?

Yes — Dennis Zai's NPI (1740253350) is active in the NPPES registry as of the last update on 2008-05-16.

IndividualActive

Dennis Zai, MD

NPI 1740253350 · Gastroenterology Physician · Antioch, CA

Dennis Zai, MD is a Gastroenterology Physician provider in Antioch, CA (NPI 1740253350).

Provider details

NPI number: 1740253350
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: G38299 (CA)

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense G38299 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

3903 Lone Tree Way

Suite 205

Antioch, CA 94509-6249

Phone: (925) 754-8710

Fax: (925) 754-0765

Approximate (ZIP-level) locationGet directions

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Mailing address