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

Maria Mabel Castellanos Paz, PT, DPT, MS

Individual provider Physical Therapist · NPI 1942715727

Maria Mabel Castellanos Paz, PT, DPT, MS is registered under Physical Therapist in Private Practice in Rockville, Maryland. Qualified in 2018, 8 years ago. Practices with Rebound Physical Therapy LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Maryland and Virginia.

Years since qualifying
8
Licensed in
MD, VA
In the registry since
2017
Specialties on file
2
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1801 Research Blvd Ste 103
Rockville, MD 20850-3172
Phone: (301) 978-7730
Fax: (301) 978-7731
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X (MD)
Physical Therapist Taxonomy 225100000X (VA)

Record details

NPI number1942715727
Entity typeIndividual (Type 1)
GenderFemale
Credentials PT , DPT , MS
Sole proprietorYes
NPI enumeratedDecember 3, 2017
Last updated in NPPESSeptember 19, 2022
Certification dateSeptember 19, 2022

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Rebound Physical Therapy Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients111
Services billed 3,900 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

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 Rebound Physical Therapy LLC

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

Other providers in Rockville