John Marion
NPI 1427872340 · Physical Therapist · Boston, MA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Marion is a Physical Therapist provider in Boston, MA (NPI 1427872340).
Provider details
- NPI number
- 1427872340
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-11-08
- Last updated
- 2024-11-08
- Certified
- 2024-11-08
Frequently asked questions
- What is John Marion's NPI number?
- John Marion's National Provider Identifier (NPI) is 1427872340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marion's specialty?
- John Marion is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Marion located?
- John Marion's practice location on file with NPPES is 10 High St Ste 303, Boston, MA 02110-1671.
- What is John Marion's phone number?
- The practice phone number listed in the NPPES registry for John Marion is (617) 542-6999.
- Does John Marion accept Medicare?
- John Marion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Marion's NPI active?
- Yes — John Marion's NPI (1427872340) is active in the NPPES registry as of the last update on 2024-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.