Greg Mierzwa
NPI 1689030199 · Physical Therapist · Chicago Ridge, IL
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Mierzwa is a Physical Therapist provider in Chicago Ridge, IL (NPI 1689030199).
Provider details
- NPI number
- 1689030199
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 05010519A (IN)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
10 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
- 2016-01-13
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Greg Mierzwa's NPI number?
- Greg Mierzwa's National Provider Identifier (NPI) is 1689030199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Mierzwa's specialty?
- Greg Mierzwa is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Greg Mierzwa located?
- Greg Mierzwa's practice location on file with NPPES is 10300 Southwest Hwy, Chicago Ridge, IL 60415-1426.
- What is Greg Mierzwa's phone number?
- The practice phone number listed in the NPPES registry for Greg Mierzwa is (708) 425-1100.
- Does Greg Mierzwa accept Medicare?
- Greg Mierzwa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Mierzwa's NPI active?
- Yes — Greg Mierzwa's NPI (1689030199) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.