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William Chao, DMD

  • Vallejo, CA
  • Dentist
NPI1881127785
Part D claims, 2024
15
Industry payments
$10
Affiliated sites
1
State license
1
Year NPI issued
2017
Practice address
930 Florin Rd Ste 101 Suite 101, Sacramento, CA 95831-5002
Practice phone
Call (925) 324-2443
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greenhaven Dental Care

Physician office · Sacramento, California

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William Chao is a dentist in Vallejo, California

William Chao practices at Greenhaven Dental Care in Sacramento, California.

William Chao's NPI, 1881127785, was assigned on April 7, 2017. William Chao holds California license 101262.

NPI and contact details
NPI
1881127785NPI Registry (opens in a new tab)
NPI enumeration date
April 7, 2017
NPI status
Active
Practice phone
(925) 324-2443
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

William Chao practices in Sacramento and Vallejo

William Chao's primary practice is Greenhaven Dental Care, at 930 Florin Rd Ste 101 Suite 101, Sacramento, CA 95831-5002. The practice phone is (925) 324-2443. The NPI Registry lists William Chao's practice address as 201 Walnut Ave, Vallejo, CA 94592.

  • Greenhaven Dental CarePrimary
    930 Florin Rd Ste 101 Suite 101, Sacramento, CA 95831-5002Phone(925) 324-2443
  • NPI Registry address
    201 Walnut Ave, Vallejo, CA 94592Phone(707) 562-8283

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

William Chao is affiliated with 1 site of care

William Chao's primary practice is Greenhaven Dental Care in Sacramento, California.

Greenhaven Dental CarePhysician office · Sacramento, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at William Chao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Chao practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greenhaven Dental CareAvailable with a free account

Source: Dmand AI Technology Install Data

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William Chao is one of 6,282 dentists in California

Dentist is William Chao's primary specialty in the NPI Registry, under taxonomy code 122300000X. William Chao is licensed in California.

Specialties and state licenses

  • Dentist, CaliforniaPrimaryLicense 101262 · taxonomy 122300000X

Dentists near William Chao

Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.

6,282dentists in California20dentists in Vallejo

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

William Chao wrote 15 Medicare Part D claims in 2024

In 2024, William Chao wrote 15 Medicare Part D claims. 93% of them were for generic drugs.

Part D claims, 202415

William Chao's Part D claims by kind of drug, 2024

  • Generic14 claims93%
  • Brand-name and other1 claims7%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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William Chao received $10 in industry payments in 2025

CMS Open Payments shows 1 general payment to William Chao from 1 drug or device company in 2025. Gifts make up the largest share, 100% of the total. PureLife, LLC paid the most, $10.

Companies that paid William Chao the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William Chao

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for William Chao's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William Chao

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William Chao's NPI number?

William Chao's NPI number is 1881127785. It was assigned on April 7, 2017, and it is active in the NPI Registry.

What does William Chao specialize in?

William Chao is a dentist in Vallejo, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).

Where does William Chao practice?

William Chao practices at 930 Florin Rd Ste 101 Suite 101, Sacramento, CA 95831-5002. William Chao also practices at 201 Walnut Ave, Vallejo, CA 94592. William Chao's primary practice is Greenhaven Dental Care in Sacramento, California.

What is William Chao's office phone number?

The practice phone on file for William Chao is (925) 324-2443.

What is William Chao's medical license number?

William Chao holds California license 101262.

Has William Chao received payments from drug or device companies?

CMS Open Payments shows $10 in general payments to William Chao from 1 company from 2025 to 2025. The largest total came from PureLife, LLC.

How long has William Chao been practicing?

William Chao's NPI was assigned in 2017.

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