John Grossman, DPT
NPI 1518523646 · Physical Therapist · Washington, DC
John Grossman, DPT is a Physical Therapist provider in Washington, DC (NPI 1518523646).
Provider details
- NPI number
- 1518523646
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Male
- Sole proprietor
- Yes
- License
- PT020851 (OH)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2019-05-14
- Last updated
- 2024-01-30
- Certified
- 2024-01-30
Frequently asked questions
- What is John Grossman's NPI number?
- John Grossman's National Provider Identifier (NPI) is 1518523646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grossman's specialty?
- John Grossman is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Grossman located?
- John Grossman's practice location on file with NPPES is 900 23rd St Nw, Washington, DC 20037-2342.
- What is John Grossman's phone number?
- The practice phone number listed in the NPPES registry for John Grossman is (202) 996-1301.
- Is John Grossman's NPI active?
- Yes — John Grossman's NPI (1518523646) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.