NPPES file of Aug 9, 2026

William Derbyshire, LCSW-C

Clinical Social Worker · Frederick, MD

William Derbyshire, LCSW-C is a clinical social worker with a practice address in Frederick, Maryland, and NPI 1720082480, issued on Jun 10, 2005. Check the license (Maryland 04573, as entered in NPPES) 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
1720082480
Name
William Derbyshire
Credential
LCSW-C
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
04573 MD
Self-reported in NPPES; status is on the state search
Practice location
170 Thomas Johnson Dr, Frederick, MD 21702
Phone
(301) 695-8390
Enumerated
Jun 10, 2005
Record last updated
Jul 13, 2026
Fax
(301) 694-7906
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 170 Thomas Johnson Dr

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

  1. Breck Borcherding, M.D.Mental Health Counselor1033111364
  2. Gayle Bromberg, LCSW-CClinical Social Worker1235131293
  3. Ruth Bruening, LCPCProfessional Counselor1629038112
  4. Edward Feher, PH.D.Clinical Neuropsychologist1588666812
  5. Cecilia Hedges, MA/CCC-SLPSpeech-Language Pathologist1477557296
  6. Lee Henry, LCSW-CClinical Social Worker1558643783

Verify William Derbyshire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 04573
    Check 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

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348 clinical social worker records list a practice address in Frederick

They are 348 of the 3,981 NPPES records with a practice address in Frederick, and 9,007 clinical social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Maryland

  1. Laguy AbarakaFrederick, MD1467380378
  2. Fadi Abdallah, LCSW-CColumbia, MD1881620573
  3. Eleanor Abdel-Salam, LCSW-CCatonsville, MD1487300380
  4. Safiyya Abdul BariLanham, MD1588285423
  5. Shabana Abdullah, LCSW-CClarksville, MD1538937446
  6. Jane Abernathy, LCSWCBaltimore, MD1972587343
  7. Karla Abney, LGSW, LMSWRockville, MD1215012745
  8. Shameka Abney, MSW, LCSWFort Washington, MD1144343229
  9. Perpetua AbongnelahGreenbelt, MD1023371812
  10. Estela Abosch, MSWBaltimore, MD1790980217

Common questions

What is William Derbyshire, LCSW-C's NPI number?

William Derbyshire, LCSW-C's National Provider Identifier (NPI) is 1720082480, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Derbyshire, LCSW-C located?

The NPPES record lists a practice address at 170 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 695-8390. Providers update this record themselves, so call before visiting.

How can I verify William Derbyshire, LCSW-C's license?

NPPES lists Maryland license number 04573, as entered by the provider. 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.

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.