NPPES file of Aug 9, 2026

Joshua Master

Addiction (Substance Use Disorder) Counselor · Worcester, MA

Joshua Master is an addiction (substance use disorder) counselor with a practice address in Worcester, Massachusetts, and NPI 1831634849, issued on Dec 29, 2016. Check the license (Massachusetts LADC 13640, as entered in NPPES) with the Massachusetts 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
1831634849
Name
Joshua Master
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
LADC 13640 MA
Self-reported in NPPES; status is on the state search
Practice location
107 Lincoln St, Worcester, MA 01605
Phone
(508) 453-3023
Enumerated
Dec 29, 2016
Record last updated
Dec 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(508) 756-0548
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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8 nearest addiction (substance use disorder) counselor records → All 2,375 in Massachusetts → Look up another NPI →

Also registered at 107 Lincoln St

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

  1. Dolores AndersonCounselor1285933192
  2. Beth AronowAddiction (Substance Use Disorder) Counselor1992919708
  3. Dzhulyeta AzizianCounselor1497005185
  4. David Baker, L.M.H.CMental Health Counselor1811321128
  5. Jennifer Berton, LCSWProfessional Counselor1063541845
  6. Charles BraceAddiction (Substance Use Disorder) Counselor1235318510

Verify Joshua Master in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license LADC 13640    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 Massachusetts 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.

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Joshua Master among 2,375 addiction (substance use disorder) counselor records in Massachusetts

Joshua Master is one of 2,375 addiction (substance use disorder) counselor records with a practice address in Massachusetts. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 42% of them.

  • NPI issued2016 · 42% of these records are older, 54% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2016 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Massachusetts

There are 2,375 addiction (substance use disorder) counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,375 in Massachusetts → Every provider in Worcester → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Beth AronowWorcester, MA 016051992919708
  2. Tina Brien Matthews, CADACWorcester, MA 016051023124641
  3. Bolivar Bueno, M.A.Worcester, MA 016051861535031
  4. Deanne Iannacchione, M ED. LADCIWorcester, MA 016051639201189
  5. Jeffrey Laflash, LCSWWorcester, MA 016051922102516
  6. Stella Lamptey, MAWorcester, MA 016051821207275
  7. Roberta Nagle, LCSW LADAC1Worcester, MA 016051720168719
  8. Robert Nichols, LMHC LADCI CADACWorcester, MA 016051881700490

Common questions

What is Joshua Master's NPI number?

Joshua Master's National Provider Identifier (NPI) is 1831634849, issued on Dec 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Master located?

The NPPES record lists a practice address at 107 Lincoln St, Worcester, MA, 01605. Phone: (508) 453-3023. Providers update this record themselves, so call before visiting.

How can I verify Joshua Master's license?

NPPES lists Massachusetts license number LADC 13640, as entered by the provider. Search the Massachusetts 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.