NPPES file of Aug 9, 2026

Dorian Nnaji

Addiction (Substance Use Disorder) Counselor · Northampton, MA

Dorian Nnaji is an addiction (substance use disorder) counselor with a practice address in Northampton, Massachusetts, and NPI 1366045841, issued on Nov 18, 2020. Check the license 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
1366045841
Name
Dorian Nnaji
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
441 Pleasant St, Northampton, MA 01060
Phone
(413) 341-2643
Enumerated
Nov 18, 2020
Record last updated
Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
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 441 Pleasant St

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

  1. Erin Bergeron, RNRegistered Nurse1740010818
  2. Michael BrassardAddiction (Substance Use Disorder) Counselor1750973871
  3. Stephanie CampbellAddiction (Substance Use Disorder) Counselor1861085342
  4. Theresa DionLicensed Practical Nurse1497334700
  5. Leona FrancisAddiction (Substance Use Disorder) Counselor1992411102
  6. Brian Howell, BAAddiction (Substance Use Disorder) Counselor1386369460

Verify Dorian Nnaji in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts 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 Massachusetts license search

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Dorian Nnaji among 2,375 addiction (substance use disorder) counselor records in Massachusetts

Dorian Nnaji 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 2020, is newer than 62% of them.

  • NPI issued2020 · 62% of these records are older, 34% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2020 · 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).

21 addiction (substance use disorder) counselor records list a practice address in Northampton

They are 21 of the 1,816 NPPES records with a practice address in Northampton, and 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.

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

  1. Michael BrassardNorthampton, MA 010601750973871
  2. Stephanie CampbellNorthampton, MA 010601861085342
  3. Rebecca KatzNorthampton, MA 010601669093472
  4. David Lemke, L.M.H.C., C.A.D.C.Northampton, MA 010601114128766
  5. Lina MendezNorthampton, MA 010601225659030
  6. Evelyn MoralesNorthampton, MA 010601528389111
  7. Elizabeth SaundersNorthampton, MA 010601477795243
  8. Dominique Simon, PHDNorthampton, MA 010601740772284

Common questions

What is Dorian Nnaji's NPI number?

Dorian Nnaji's National Provider Identifier (NPI) is 1366045841, issued on Nov 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Dorian Nnaji located?

The NPPES record lists a practice address at 441 Pleasant St, Northampton, MA, 01060. Phone: (413) 341-2643. Providers update this record themselves, so call before visiting.

How can I verify Dorian Nnaji's license?

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.

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.