OrganizationActive
Warren Hsiao & Ah Corp
NPI 1770017584 · Dentist · Pasadena, CA
Warren Hsiao & Ah Corp is a Dentist organization in Pasadena, CA (NPI 1770017584).
Provider details
- NPI number
- 1770017584
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Warren Hsiau, President(626) 395-9588
- License
- 45467 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
625 S Fair Oaks Ave
Pasadena, CA 91105-2613
Phone: (626) 395-9588
Street-level locationGet directions
Mailing address
625 S Fair Oaks Ave
Pasadena, CA 91105-2613
Registry dates
- Enumerated
- 2017-04-18
- Last updated
- 2017-04-18
Frequently asked questions
- What is Warren Hsiao & Ah Corp's NPI number?
- Warren Hsiao & Ah Corp's National Provider Identifier (NPI) is 1770017584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Warren Hsiao & Ah Corp?
- Warren Hsiao & Ah Corp is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Warren Hsiao & Ah Corp located?
- Warren Hsiao & Ah Corp's practice location on file with NPPES is 625 S Fair Oaks Ave, Pasadena, CA 91105-2613.
- What is Warren Hsiao & Ah Corp's phone number?
- The practice phone number listed in the NPPES registry for Warren Hsiao & Ah Corp is (626) 395-9588.
- Who is the authorized official for Warren Hsiao & Ah Corp?
- The authorized official listed on Warren Hsiao & Ah Corp's NPPES record is Warren Hsiau, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Warren Hsiao & Ah Corp's NPI active?
- Yes — Warren Hsiao & Ah Corp's NPI (1770017584) is active in the NPPES registry as of the last update on 2017-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.