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

Isabelle Julia Muss

Individual provider Physical Therapist · NPI 1659156792

Isabelle Julia Muss is registered under Physical Therapist in Private Practice in New Rochelle, New York. Graduated from Columbia University College of Physicians and Surgeons in 2023, 3 years ago. Licensed in California.

Years since qualifying
3
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA
In the registry since
2023
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Practice location Address checks out

12 Stanton Cir
New Rochelle, NY 10804-1217
Phone: (917) 832-0983
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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 304379 (CA)

Record details

NPI number1659156792
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 28, 2023
Last updated in NPPESAugust 28, 2023
Certification dateAugust 28, 2023

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated

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 patients269
Services billed 3,932 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

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