Gregory Henderson, O.T.
NPI 1528004298 · Occupational Therapist · Washington, DC
Gregory Henderson, O.T. is a Occupational Therapist provider in Washington, DC (NPI 1528004298).
Provider details
- NPI number
- 1528004298
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- O.T.
- Sex
- Male
- Sole proprietor
- No
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
20 yrs 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
- 2006-06-21
- Last updated
- 2007-12-12
Frequently asked questions
- What is Gregory Henderson's NPI number?
- Gregory Henderson's National Provider Identifier (NPI) is 1528004298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Henderson's specialty?
- Gregory Henderson is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Henderson located?
- Gregory Henderson's practice location on file with NPPES is 3700 N Capitol St Nw, Washington, DC 20011-8400.
- What is Gregory Henderson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Henderson is (800) 422-9988.
- Is Gregory Henderson's NPI active?
- Yes — Gregory Henderson's NPI (1528004298) is active in the NPPES registry as of the last update on 2007-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.