NPPES file of Aug 9, 2026

Gregory Henderson, O.T.

Occupational Therapist · Washington, DC

Gregory Henderson, O.T. is an occupational therapist with a practice address in Washington, District of Columbia, and NPI 1528004298, issued on Jun 21, 2006. Check the license with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528004298
Name
Gregory Henderson
Credential
O.T.
Primary taxonomy
Occupational Therapist 225X00000X
Practice location
3700 N Capitol St NW, Washington, DC 20011
Phone
(800) 422-9988
Enumerated
Jun 21, 2006
Record last updated
Dec 12, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 262-1259
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest occupational therapist records → All 391 in District of Columbia → Look up another NPI →

Also registered at 3700 N Capitol St NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oby Atta, CRNPFamily Nurse Practitioner1063695922
  2. Alan Blanc, O.T.Occupational Therapist1871539775
  3. George Brownlee, P.T.Physical Therapist1851322663
  4. Brian Eft, SLPSpeech-Language Pathologist1487729463
  5. Ogechukwu EzechukwuOccupational Therapist1457822322
  6. Sirisha Sastry, MDInternal Medicine Physician1255453601

Verify Gregory Henderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

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Gregory Henderson among 391 occupational therapist records in District of Columbia

Gregory Henderson, O.T. is one of 391 occupational therapist records with a practice address in District of Columbia. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 94% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

390 occupational therapist records list a practice address in Washington

They are 390 of the 45,857 NPPES records with a practice address in Washington, and 391 occupational therapist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 391 in District of Columbia → Every provider in Washington → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Chineche Aniemena, OTD, OTR/LWashington, DC 200111467238428
  2. Alan Blanc, O.T.Washington, DC 200111871539775
  3. Whitney Coleman, OTR/LWashington, DC 200111295225191
  4. Deirdre CollinsWashington, DC 200111659102408
  5. Ogechukwu EzechukwuWashington, DC 200111457822322
  6. Mary GlasgowWashington, DC 200111982256616
  7. Melissa Hulton, OTR/LWashington, DC 200111356795231
  8. Christie Lacayo, OTR/LWashington, DC 200111518316439

Common questions

What is Gregory Henderson, O.T.'s NPI number?

Gregory Henderson, O.T.'s National Provider Identifier (NPI) is 1528004298, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Henderson, O.T. located?

The NPPES record lists a practice address at 3700 N Capitol St NW, Washington, DC, 20011. Phone: (800) 422-9988. Providers update this record themselves, so call before visiting.

How can I verify Gregory Henderson, O.T.'s license?

Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.