Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Joseph Marion

Individual provider Physical Therapist · NPI 1427872340

John Joseph Marion is a Physical Therapist in Private Practice in Boston, Massachusetts. Qualified in 2024, 2 years ago. Practices with Proex Physical Therapy LLC, a 166-clinician group and accepts Medicare assignment.

Years since qualifying
2
In the registry since
2024

Practice location Address checks out

10 High St Ste 303
Boston, MA 02110-1671
Phone: (617) 542-6999
Fax: (617) 542-6985
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X

Record details

NPI number1427872340
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 8, 2024
Last updated in NPPESNovember 8, 2024
Certification dateNovember 8, 2024

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Proex Physical Therapy Llc — 166 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston