IndividualActive
Matthew Chao
NPI 1831799345 · Pharmacist · Healdsburg, CA
Matthew Chao is a Pharmacist provider in Healdsburg, CA (NPI 1831799345).
Provider details
- NPI number
- 1831799345
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 83011 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
455 Center St
Healdsburg, CA 95448-3807
Phone: (707) 433-3357
Street-level locationGet directions
Mailing address
4145 Shadow Ln Apt 527
Santa Rosa, CA 95405-5255
Registry dates
- Enumerated
- 2020-10-26
- Last updated
- 2020-10-26
- Certified
- 2020-10-26
Frequently asked questions
- What is Matthew Chao's NPI number?
- Matthew Chao's National Provider Identifier (NPI) is 1831799345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Chao's specialty?
- Matthew Chao is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Matthew Chao located?
- Matthew Chao's practice location on file with NPPES is 455 Center St, Healdsburg, CA 95448-3807.
- What is Matthew Chao's phone number?
- The practice phone number listed in the NPPES registry for Matthew Chao is (707) 433-3357.
- Is Matthew Chao's NPI active?
- Yes — Matthew Chao's NPI (1831799345) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.