Karl Chiang, PHD
NPI 1689928194 · Clinical Psychologist · Worcester, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Chiang, PHD is a Clinical Psychologist provider in Worcester, MA (NPI 1689928194).
Provider details
- NPI number
- 1689928194
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 9602 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2012-11-06
- Last updated
- 2012-11-06
Frequently asked questions
- What is Karl Chiang's NPI number?
- Karl Chiang's National Provider Identifier (NPI) is 1689928194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Chiang's specialty?
- Karl Chiang is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Karl Chiang located?
- Karl Chiang's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Karl Chiang's phone number?
- The practice phone number listed in the NPPES registry for Karl Chiang is (508) 334-5393.
- Does Karl Chiang accept Medicare?
- Karl Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Chiang's NPI active?
- Yes — Karl Chiang's NPI (1689928194) is active in the NPPES registry as of the last update on 2012-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.