Matthew Miller, PSYD
NPI 1154390524 · Psychologist · Long Beach, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Miller, PSYD is a Psychologist provider in Long Beach, CA (NPI 1154390524).
Provider details
- NPI number
- 1154390524
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18479PSY (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
20 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
- 2006-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Matthew Miller's NPI number?
- Matthew Miller's National Provider Identifier (NPI) is 1154390524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Miller's specialty?
- Matthew Miller is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Miller located?
- Matthew Miller's practice location on file with NPPES is 4525 E Atherton St, Long Beach, CA 90815-3700.
- What is Matthew Miller's phone number?
- The practice phone number listed in the NPPES registry for Matthew Miller is (562) 961-0155.
- Does Matthew Miller accept Medicare?
- Matthew Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Miller's NPI active?
- Yes — Matthew Miller's NPI (1154390524) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.