NPPES file of Aug 9, 2026

Justin Henry Gellar

Behavior Technician · Oxford, MS

Justin Henry Gellar is a behavior technician with a practice address in Oxford, Mississippi, and NPI 1043754120, issued on Dec 8, 2016. Check the license with the Mississippi 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
1043754120
Name
Justin Henry Gellar
Primary taxonomy
Behavior Technician 106S00000X
Practice location
152 Highway 7 S, Oxford, MS 38655
Phone
(662) 234-7521
Enumerated
Dec 8, 2016
Record last updated
Dec 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(662) 236-3071
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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Also registered at 152 Highway 7 S

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

  1. Jessica Adams, LMSWMental Health Counselor1013795798
  2. Brianna Addison, MSWMental Health Counselor1275414690
  3. Devin Agnew, BA, PCCSSSocial Worker1851758213
  4. Denis AgnielCase Manager/Care Coordinator1710282769
  5. Kay Aguilar, B.A.Case Manager/Care Coordinator1538464250
  6. Bethany Aiena, M.A.Mental Health Counselor1962886382

Verify Justin Henry Gellar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi 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 Mississippi license search

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Behavior Technician providers in Mississippi

There are 665 behavior technician records in Mississippi. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 665 in Mississippi → Every provider in Oxford →

Other behavior technician records in Mississippi

  1. Dana Abbott, RBTOcean Springs, MS1700590197
  2. Delaney AbellaGulfport, MS1326844770
  3. Kelsey AdamGulfport, MS1356176382
  4. Carrie AdamsJackson, MS1881244416
  5. Lillian AdlerGulfport, MS1841097615
  6. Pamyla Al DulaimiOcean Springs, MS1295687630
  7. Savannah AldridgeRidgeland, MS1528890746
  8. Kari AlexanderBiloxi, MS1538702071
  9. Jasmine AllenJackson, MS1598322851
  10. Leigha AllenBiloxi, MS1205563616

Common questions

What is Justin Henry Gellar's NPI number?

Justin Henry Gellar's National Provider Identifier (NPI) is 1043754120, issued on Dec 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Justin Henry Gellar located?

The NPPES record lists a practice address at 152 Highway 7 S, Oxford, MS, 38655. Phone: (662) 234-7521. Providers update this record themselves, so call before visiting.

How can I verify Justin Henry Gellar's license?

Search the Mississippi 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.