NPPES file of Aug 9, 2026

Margretta Lena Williams

Assistant Behavior Analyst · Gaithersburg, MD

Margretta Lena Williams is an assistant behavior analyst with a practice address in Gaithersburg, Maryland, and NPI 1356276455, issued on Jun 17, 2026. Check the license with the Maryland 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
1356276455
Name
Margretta Lena Williams
Primary taxonomy
Assistant Behavior Analyst 106E00000X
Practice location
509 Quince Orchard RD Ste 205, Gaithersburg, MD 20878
Phone
(855) 832-6727
Enumerated
Jun 17, 2026
Record last updated
Jun 17, 2026
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 509 Quince Orchard RD Ste 205

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

  1. Kendra AlexanderBehavior Technician1538036215
  2. Nikeema ArnetteBehavior Technician1144154725
  3. Kiara AtkinsonBehavior Technician1447109004
  4. Michelle AxtBehavior Technician1205709029
  5. Thomasena BeverlyBehavior Technician1548138779
  6. Aviva BrickmanBehavior Technician1689462566

Verify Margretta Lena Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland 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
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Assistant Behavior Analyst providers in Maryland

There are 78 assistant behavior analyst records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 78 in Maryland → Every provider in Gaithersburg →

Other assistant behavior analyst records in Maryland

  1. Tobiloba AdeyemiHalethorpe, MD1356263115
  2. Larissa Aguirre-EchevarriaCalifornia, MD1124725767
  3. Akinwale AkindeleLanham, MD1336674795
  4. Breanni AndersonLanham, MD1750846846
  5. Melissa BaileyLanham, MD1134651490
  6. Nevaeh BaileyPreston, MD1538024062
  7. Tayla BetterRockville, MD1902508989
  8. Olga BorissowLandover, MD1922811611
  9. Shawntay BrownMitchellville, MD1912827114
  10. Kanesha Brumfield, BCABAColumbia, MD1992299275

Common questions

What is Margretta Lena Williams's NPI number?

Margretta Lena Williams's National Provider Identifier (NPI) is 1356276455, issued on Jun 17, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Margretta Lena Williams located?

The NPPES record lists a practice address at 509 Quince Orchard RD Ste 205, Gaithersburg, MD, 20878. Phone: (855) 832-6727. Providers update this record themselves, so call before visiting.

How can I verify Margretta Lena Williams's license?

Search the Maryland 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.