William Kostelnik, PT
NPI 1942488598 · Physical Therapist · Palm Beach Gardens, FL
William Kostelnik, PT is a Physical Therapist provider in Palm Beach Gardens, FL (NPI 1942488598).
Provider details
- NPI number
- 1942488598
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- Yes
- License
- PT3052 (FL)
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
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
- 2008-02-06
- Last updated
- 2013-06-21
Frequently asked questions
- What is William Kostelnik's NPI number?
- William Kostelnik's National Provider Identifier (NPI) is 1942488598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kostelnik's specialty?
- William Kostelnik is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Kostelnik located?
- William Kostelnik's practice location on file with NPPES is 9646 Althea Way, Palm Beach Gardens, FL 33410-5412.
- What is William Kostelnik's phone number?
- The practice phone number listed in the NPPES registry for William Kostelnik is (561) 379-3072.
- Is William Kostelnik's NPI active?
- Yes — William Kostelnik's NPI (1942488598) is active in the NPPES registry as of the last update on 2013-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.