John Ostrowski, MS, ATC
NPI 1528088424 · Athletic Trainer · Worcester, MA
John Ostrowski, MS, ATC is a Athletic Trainer provider in Worcester, MA (NPI 1528088424).
Provider details
- NPI number
- 1528088424
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, ATC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1719 (MA)
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
19 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
- 2006-07-20
- Last updated
- 2008-12-02
Frequently asked questions
- What is John Ostrowski's NPI number?
- John Ostrowski's National Provider Identifier (NPI) is 1528088424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ostrowski's specialty?
- John Ostrowski is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Ostrowski located?
- John Ostrowski's practice location on file with NPPES is 1 College St, Worcester, MA 01610-2322.
- What is John Ostrowski's phone number?
- The practice phone number listed in the NPPES registry for John Ostrowski is (508) 793-2627.
- Is John Ostrowski's NPI active?
- Yes — John Ostrowski's NPI (1528088424) is active in the NPPES registry as of the last update on 2008-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.