GREG MIERZWA – Physical Therapist, NPI 1689030199

GREG MIERZWA is a healthcare provider. based in Chicago ridge, Illinois. specializing in Physical Therapist. They hold a License No. 05010519A (IN). The NPI Number for GREG MIERZWA is 1689030199

Main info

Male
Name
GREG MIERZWA
NPI
1689030199
Phone
(708) 425-1100
Address
10300 SOUTHWEST HWY
Enumeration Date
13 January 2016
Last Update Date
14 April 2025
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience53
Completeness75
Years active:10State licenses:2Digital endpointsOther names

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Provider Addresses for GREG MIERZWA

  • 10300, Southwest Highway, Chicago Ridge, Worth Township, Cook County, Illinois, 60415, United States

    CHICAGO RIDGE, IL 604151426

    Phone: (708) 425-1100

    Type: Location

  • 4615 N BEACON ST APT 1S

    CHICAGO, IL 606407012

    Phone: (312) 343-3868

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-06-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20210616001460IPhysical Therapist In Private PracticeILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60415)

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Reviews

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Frequently asked questions

Can I verify GREG MIERZWA with an NPI only?
You can start verification with NPI 1689030199 for GREG MIERZWA, then check state licensing separately.
Is GREG MIERZWA still practicing?
GREG MIERZWA is currently listed as active in the public NPI registry.
What taxonomy line describes GREG MIERZWA?
For research purposes, treat GREG MIERZWA as Physical Therapist in this dataset. Clinical services aligned with this taxonomy classification.
Where is GREG MIERZWA based?
GREG MIERZWA is tied to Chicago Ridge, Illinois in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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