William Posner, PT
NPI 1144459322 · Physical Therapist · San Diego, CA
William Posner, PT is a Physical Therapist provider in San Diego, CA (NPI 1144459322).
Provider details
- NPI number
- 1144459322
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14754 (CA)
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
16 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
- 2009-07-08
- Last updated
- 2013-08-15
Frequently asked questions
- What is William Posner's NPI number?
- William Posner's National Provider Identifier (NPI) is 1144459322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Posner's specialty?
- William Posner is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Posner located?
- William Posner's practice location on file with NPPES is 4463 Illinois St, San Diego, CA 92116-4381.
- What is William Posner's phone number?
- The practice phone number listed in the NPPES registry for William Posner is (619) 980-9199.
- Is William Posner's NPI active?
- Yes — William Posner's NPI (1144459322) is active in the NPPES registry as of the last update on 2013-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.