NPPES file of Aug 9, 2026

James Matthew Duffy, LCADC

Addiction (Substance Use Disorder) Counselor · Lusby, MD

James Matthew Duffy, LCADC is an addiction (substance use disorder) counselor with a practice address in Lusby, Maryland, and NPI 1750938783, issued on Aug 23, 2019. Check the license (Maryland LCA1618, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1750938783
Name
James Matthew Duffy
Credential
LCADC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
LCA1618 MD
Self-reported in NPPES; status is on the state search
Practice location
20 Appeal LN, Lusby, MD 20657
Phone
(410) 394-0681
Enumerated
Aug 23, 2019
Record last updated
Aug 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(410) 326-1860
Medicare enrollment
Enrolled (PECOS I20240109002854); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 20 Appeal LN

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

  1. Sarah Ayers, LCSW-CSocial Worker1043868557
  2. Cassandra BarronMarriage & Family Therapist1053903872
  3. Meghan SmithClinical Social Worker1699494674
  4. Jordan Truitt, CT-ADAddiction (Substance Use Disorder) Counselor1851806186
  5. Brittany Turner, LMSWSocial Worker1417792391

Verify James Matthew Duffy 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 LCA1618    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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Bills Medicare through one group practice

  1. Calvert County Health DepartmentLusby, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

5 addiction (substance use disorder) counselor records list a practice address in Lusby

They are 5 of the 85 NPPES records with a practice address in Lusby, and 1,165 addiction (substance use disorder) counselor records in Maryland.

All 5 in Lusby → All 1,165 in Maryland → Every provider in Lusby →

Other addiction (substance use disorder) counselor records in Maryland

  1. Felicia AbassBelcamp, MD1184242083
  2. Kim Abe, CAC-ADCumberland, MD1083153050
  3. Angela AbramsGwynn Oak, MD1124708763
  4. Catherine Abrams, CAC-ADSalisbury, MD1053913269
  5. Taylor AbronBaltimore, MD1982447330
  6. Chuck Abuadinma, MA. ADT.Baltimore, MD1508483520
  7. Tamika Adams, BSW, CT-ADSalisbury, MD1649997156
  8. Stephen AkinnolaBaltimore, MD1891269296
  9. Monica Albino, ADDICTION TRAINEEBaltimore, MD1417533555
  10. Keyra AlexanderBaltimore, MD1467378109

Common questions

What is James Matthew Duffy, LCADC's NPI number?

James Matthew Duffy, LCADC's National Provider Identifier (NPI) is 1750938783, issued on Aug 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is James Matthew Duffy, LCADC located?

The NPPES record lists a practice address at 20 Appeal LN, Lusby, MD, 20657. Phone: (410) 394-0681. Providers update this record themselves, so call before visiting.

How can I verify James Matthew Duffy, LCADC's license?

NPPES lists Maryland license number LCA1618, 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. Medicare files from data.cms.gov. 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.