Ryan Miller
NPI 1598191561 · Pediatric Occupational Therapist · Fullerton, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Miller is a Pediatric Occupational Therapist provider in Fullerton, CA (NPI 1598191561).
Provider details
- NPI number
- 1598191561
- Entity type
- Individual
- Primary specialty
- Pediatric Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2013-09-22
- Last updated
- 2013-09-22
Frequently asked questions
- What is Ryan Miller's NPI number?
- Ryan Miller's National Provider Identifier (NPI) is 1598191561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Miller's specialty?
- Ryan Miller is listed in the NPPES registry with a primary specialty of Pediatric Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ryan Miller located?
- Ryan Miller's practice location on file with NPPES is 233 Orangefair Mall, Fullerton, CA 92832-3038.
- What is Ryan Miller's phone number?
- The practice phone number listed in the NPPES registry for Ryan Miller is (714) 870-6116.
- Does Ryan Miller accept Medicare?
- Ryan Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Miller's NPI active?
- Yes — Ryan Miller's NPI (1598191561) is active in the NPPES registry as of the last update on 2013-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.