Thomas C. Olona, Psychologist, Professional Corporation
NPI 1871867614 · Psychologist · Glendale, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas C. Olona, Psychologist, Professional Corporation is a Psychologist organization in Glendale, CA (NPI 1871867614).
Provider details
- NPI number
- 1871867614
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Thomas Olona, Psychologist/President(818) 476-0117
- License
- PSY14944 (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
14 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
- 2012-02-25
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Thomas C. Olona, Psychologist, Professional Corporation's NPI number?
- Thomas C. Olona, Psychologist, Professional Corporation's National Provider Identifier (NPI) is 1871867614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas C. Olona, Psychologist, Professional Corporation?
- Thomas C. Olona, Psychologist, Professional Corporation is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas C. Olona, Psychologist, Professional Corporation located?
- Thomas C. Olona, Psychologist, Professional Corporation's practice location on file with NPPES is 100 N Brand Blvd, Glendale, CA 91203-2641.
- What is Thomas C. Olona, Psychologist, Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Thomas C. Olona, Psychologist, Professional Corporation is (818) 476-1007.
- Does Thomas C. Olona, Psychologist, Professional Corporation accept Medicare?
- Thomas C. Olona, Psychologist, Professional Corporation 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 Thomas C. Olona, Psychologist, Professional Corporation?
- The authorized official listed on Thomas C. Olona, Psychologist, Professional Corporation's NPPES record is Thomas Olona, Psychologist/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas C. Olona, Psychologist, Professional Corporation's NPI active?
- Yes — Thomas C. Olona, Psychologist, Professional Corporation's NPI (1871867614) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.