Tiffany Massia, PSYD
NPI 1487172920 · Clinical Psychologist · Claremont, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Massia, PSYD is a Clinical Psychologist provider in Claremont, CA (NPI 1487172920).
Provider details
- NPI number
- 1487172920
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY29207 (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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4929 Wilshire Blvd Ste 510Los Angeles, CA 90010-3820Phone: (760) 300-3664
Registry dates
- Enumerated
- 2017-09-05
- Last updated
- 2024-08-05
- Certified
- 2024-08-05
Frequently asked questions
- What is Tiffany Massia's NPI number?
- Tiffany Massia's National Provider Identifier (NPI) is 1487172920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Massia's specialty?
- Tiffany Massia is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Tiffany Massia located?
- Tiffany Massia's practice location on file with NPPES is 675 W Foothill Blvd Ste 200, Claremont, CA 91711-3475.
- What is Tiffany Massia's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Massia is (925) 282-1778.
- Does Tiffany Massia accept Medicare?
- Tiffany Massia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Massia's NPI active?
- Yes — Tiffany Massia's NPI (1487172920) is active in the NPPES registry as of the last update on 2024-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.