Mary Ann Frontzak, ATC
NPI 1588624613 · Athletic Trainer · Downers Grove, IL
Mary Ann Frontzak, ATC is a Athletic Trainer provider in Downers Grove, IL (NPI 1588624613).
Provider details
- NPI number
- 1588624613
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Female
- License
- 0096-000252 (IL)
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
- 2006-03-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Ann Frontzak's NPI number?
- Mary Ann Frontzak's National Provider Identifier (NPI) is 1588624613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Frontzak's specialty?
- Mary Ann Frontzak is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Ann Frontzak located?
- Mary Ann Frontzak's practice location on file with NPPES is 1436 Norfolk, Downers Grove, IL 60516.
- What is Mary Ann Frontzak's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Frontzak is (630) 795-8905.
- Is Mary Ann Frontzak's NPI active?
- Yes — Mary Ann Frontzak's NPI (1588624613) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.