NPPES file of Aug 9, 2026

Sean Horan, LMHC, LADC1

Addiction (Substance Use Disorder) Counselor · Lowell, MA

Sean Horan, LMHC, LADC1 is an addiction (substance use disorder) counselor with a practice address in Lowell, Massachusetts, and NPI 1679720551, issued on Aug 22, 2008. Check the license (Massachusetts 5687, 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
1679720551
Name
Sean Horan
Credential
LMHC, LADC1
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
5687 MA
Self-reported in NPPES; status is on the state search
Practice location
555 Merrimack St, Lowell, MA 01854
Phone
(978) 459-8656
Enumerated
Aug 22, 2008
Record last updated
Aug 22, 2008 (not updated in 18 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.
Download card Updates feed

8 nearest addiction (substance use disorder) counselor records → All 2,375 in Massachusetts → Look up another NPI →

Also registered at 555 Merrimack St

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

  1. Tricia Camire, M.S.Addiction (Substance Use Disorder) Counselor1134376866
  2. Scott Campbell, M.ED.Addiction (Substance Use Disorder) Counselor1538316997
  3. Dianna Conole, MSAddiction (Substance Use Disorder) Counselor1295982072
  4. Olivia EchtelerAddiction (Substance Use Disorder) Counselor1023559309
  5. Ida Fuoco, MSCounselor1396040788
  6. Jeffrey Green, MPCAddiction (Substance Use Disorder) Counselor1780098244

Verify Sean Horan 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 5687    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Sean Horan among 2,375 addiction (substance use disorder) counselor records in Massachusetts

Sean Horan, LMHC, LADC1 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 2008, is newer than 14% of them.

  • NPI issued2008 · 14% of these records are older, 83% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2008 · 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).

99 addiction (substance use disorder) counselor records list a practice address in Lowell

They are 99 of the 2,992 NPPES records with a practice address in Lowell, 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.

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

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

  1. Jose Abreu, BALowell, MA 018541063531424
  2. Gemma Bates, MSLowell, MA 018541659553717
  3. Maureen Camachoflynn, CADACLowell, MA 018541699988402
  4. Diane Clavette, MA MHCLowell, MA 018541336364645
  5. Dianna Conole, MSLowell, MA 018541295982072
  6. Maribel Cruz, M.S.W.Lowell, MA 018541902925464
  7. Malcolm Ebhohon, MASTERSLowell, MA 018541720293004
  8. Dianne FreunschtLowell, MA 018541215150362

Common questions

What is Sean Horan, LMHC, LADC1's NPI number?

Sean Horan, LMHC, LADC1's National Provider Identifier (NPI) is 1679720551, issued on Aug 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sean Horan, LMHC, LADC1 located?

The NPPES record lists a practice address at 555 Merrimack St, Lowell, MA, 01854. Phone: (978) 459-8656. Providers update this record themselves, so call before visiting.

How can I verify Sean Horan, LMHC, LADC1's license?

NPPES lists Massachusetts license number 5687, 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.