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Physical Therapist in Private Practice

Marlou A. Gregorio, PT

Sees patients in Arlington Heights, IL · Chicago, IL · Des Plaines, IL · Illinois

Summary

Marlou A. Gregorio, PT (Physical Therapist in Private Practice) is enrolled with Medicare at 3 practice locations in Arlington Heights, IL, Chicago, IL and Des Plaines, IL. NPI 1083093819. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marlou A. Gregorio, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physical Therapist in Private PracticePrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
MaleGender (as listed)
Athletic and Therapeutic Institute of Naperville, LLCGroup practice (+2 more)

Quick answers

Where does Marlou A. Gregorio see patients?
Medicare's clinician data lists 3 practice locations, including Arlington Heights, IL, Chicago, IL and Des Plaines, IL. Call before your visit to confirm the address.
What is Marlou A. Gregorio's specialty?
Medicare lists Physical Therapist in Private Practice as the primary specialty.
Does Marlou A. Gregorio accept Medicare assignment?
Yes. Medicare's clinician data says Marlou A. Gregorio accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marlou A. Gregorio?
(224) 347-3616, as listed in official Medicare / NPI Registry data.
What is Marlou A. Gregorio's NPI number?
1083093819. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Marlou A. Gregorio is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marlou A. Gregorio as a member of these groups (CMS data updated 2026-10-02).

  • Athletic and Therapeutic Institute of Naperville, LLC241 clinicians in the group
  • Athletic and Therapeutic Institute of Bourbonnais, LLC167 clinicians in the group
  • American Hip Institute LLC16 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, Illinois →

Other physical therapists in Arlington Heights

Clinicians with the same Medicare primary specialty in Arlington Heights, IL — not a recommendation.

All physical therapists in Arlington Heights →

Clinician information

CredentialPT
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083093819
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians