Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mrs. Donna C Ratner

Individual provider Physical Therapist · NPI 1437388337

Mrs. Donna C Ratner is registered under Physical Therapist in Private Practice in Niles, Illinois. Qualified in 1987, 39 years ago. Practices with Unlimited Potential 1 Inc, a 2-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Licensed in
IL
In the registry since
2009
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Practice location Address checks out

8539 N Olcott Ave
Niles, IL 60714-2051 Not confirmed with CMS for 17 years — call before visiting
Phone: (847) 581-1446
Fax: (847) 983-8175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 070 005 228 (IL)

Record details

NPI number1437388337
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 13, 2009
Last updated in NPPESJuly 13, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Unlimited Potential 1 Inc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients56
Services billed 3,563 a service is one billed item, such as a visit, a test or a procedure
Average patient age60

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Unlimited Potential 1 Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Niles