Kristin A. Liang, PH.D. Professional Psychological Services Inc
NPI 1669863056 · Clinical Psychologist · Covina, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristin A. Liang, PH.D. Professional Psychological Services Inc is a Clinical Psychologist organization in Covina, CA (NPI 1669863056).
Provider details
- NPI number
- 1669863056
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Kristin Liang, Psychologist(626) 339-0288
- License
- PSY22902 (CA)
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
11 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
- 2015-02-07
- Last updated
- 2015-02-07
Frequently asked questions
- What is Kristin A. Liang, PH.D. Professional Psychological Services Inc's NPI number?
- Kristin A. Liang, PH.D. Professional Psychological Services Inc's National Provider Identifier (NPI) is 1669863056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kristin A. Liang, PH.D. Professional Psychological Services Inc?
- Kristin A. Liang, PH.D. Professional Psychological Services Inc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Kristin A. Liang, PH.D. Professional Psychological Services Inc located?
- Kristin A. Liang, PH.D. Professional Psychological Services Inc's practice location on file with NPPES is 500 W Badillo St, Covina, CA 91722-3762.
- What is Kristin A. Liang, PH.D. Professional Psychological Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Kristin A. Liang, PH.D. Professional Psychological Services Inc is (626) 339-0288.
- Does Kristin A. Liang, PH.D. Professional Psychological Services Inc accept Medicare?
- Kristin A. Liang, PH.D. Professional Psychological Services Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Kristin A. Liang, PH.D. Professional Psychological Services Inc?
- The authorized official listed on Kristin A. Liang, PH.D. Professional Psychological Services Inc's NPPES record is Kristin Liang, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kristin A. Liang, PH.D. Professional Psychological Services Inc's NPI active?
- Yes — Kristin A. Liang, PH.D. Professional Psychological Services Inc's NPI (1669863056) is active in the NPPES registry as of the last update on 2015-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.