William Jantzen, PT
NPI 1023098217 · Physical Therapist · Wading River, NY
William Jantzen, PT is a Physical Therapist provider in Wading River, NY (NPI 1023098217).
Provider details
- NPI number
- 1023098217
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- No
- License
- 009864-1 (NY)
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
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
- 2006-01-23
- Last updated
- 2017-05-11
Frequently asked questions
- What is William Jantzen's NPI number?
- William Jantzen's National Provider Identifier (NPI) is 1023098217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Jantzen's specialty?
- William Jantzen is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Jantzen located?
- William Jantzen's practice location on file with NPPES is 5958 Route 25a, Wading River, NY 11792-2001.
- What is William Jantzen's phone number?
- The practice phone number listed in the NPPES registry for William Jantzen is (631) 929-8200.
- Is William Jantzen's NPI active?
- Yes — William Jantzen's NPI (1023098217) is active in the NPPES registry as of the last update on 2017-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.