Longdy Sonn
NPI 1265621734 · Rehabilitation Practitioner · Pasadena, CA
Longdy Sonn is a Rehabilitation Practitioner provider in Pasadena, CA (NPI 1265621734).
Provider details
- NPI number
- 1265621734
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
18 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
- 2007-10-19
- Last updated
- 2013-07-25
Frequently asked questions
- What is Longdy Sonn's NPI number?
- Longdy Sonn's National Provider Identifier (NPI) is 1265621734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Longdy Sonn's specialty?
- Longdy Sonn is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Longdy Sonn located?
- Longdy Sonn's practice location on file with NPPES is 940 Avenue 64, Pasadena, CA 91105.
- What is Longdy Sonn's phone number?
- The practice phone number listed in the NPPES registry for Longdy Sonn is (323) 254-2274.
- Is Longdy Sonn's NPI active?
- Yes — Longdy Sonn's NPI (1265621734) is active in the NPPES registry as of the last update on 2013-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.