Registry data as of Aug 27, 2026

William Henderson

Mental Health Counselor · Calverton, MD

William Henderson is a mental health counselor with a practice address in Calverton, Maryland, and NPI 1770436206, issued on Feb 16, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770436206
Name
William Henderson
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
3901 Calverton Blvd Ste 250, Calverton, MD 20705
Phone
(240) 618-3149
Enumerated
Feb 16, 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 3901 Calverton Blvd Ste 250

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

  1. Aisha Bundu-Wurie, RNRegistered Nurse1831060052

Verify William Henderson 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
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

4 mental health counselor records list a Calverton practice address

They are 4 of the 22 NPPES records with a Calverton practice address, and 4,327 mental health counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in Maryland

  1. Megan AbateBel Air, MD1114732153
  2. Makeitha Abdulbarr, LCPCUpper Marlboro, MD1295921393
  3. Taniyah AbdulbarrLargo, MD1396466264
  4. Mohammed Abdullah, LCPCLaurel, MD1811466675
  5. Furtuna AbebeLanham, MD1023799756
  6. Katy Abell, B.S.Snow Hill, MD1689813826
  7. Shelly AboagyeHyattsville, MD1043141773
  8. Natalie Ugitoh AbongEllicott City, MD1548141351
  9. Grace Abraham LewisGlen Burnie, MD1295187540
  10. Susan Abrams, LCSW-CBethesda, MD1710164579

Common questions

What is William Henderson's NPI number?

William Henderson's National Provider Identifier (NPI) is 1770436206, issued on Feb 16, 2026. An NPI identifies a provider in billing; it is not a license.

Where is William Henderson located?

The NPPES record lists a practice address at 3901 Calverton Blvd Ste 250, Calverton, MD, 20705. Phone: (240) 618-3149. Providers update this record themselves, so call before visiting.

How can I verify William Henderson'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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.