NPPES file of Aug 9, 2026

Stephen Michael Gannon, LADC1

Addiction (Substance Use Disorder) Counselor · Concord, NH

Stephen Michael Gannon, LADC1 is an addiction (substance use disorder) counselor with a practice address in Concord, New Hampshire, and NPI 1538462312, issued on Dec 16, 2010. Check the license (New Hampshire 1561, as entered in NPPES) with the New Hampshire 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
1538462312
Name
Stephen Michael Gannon
Credential
LADC1
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
1561 NH
22822 MA
Self-reported in NPPES; status is on the state search
Practice location
117 Manchester St Ste 5A, Concord, NH 03301
Phone
(603) 606-9357
Enumerated
Dec 16, 2010
Record last updated
Jun 3, 2026
Medicare enrollment
Enrolled (PECOS I20260422001338); may accept 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 117 Manchester St Ste 5A

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

  1. Margaret Abbott, APRNAdult Health Nurse Practitioner1922076983
  2. Rosemary Dougherty, NPFamily Nurse Practitioner1760679476
  3. Stephen Gibson, PHARM.DPsychiatric Pharmacist1649793902
  4. Sarah Hall-Wilson, PHDClinical Psychologist1720311038
  5. Joan HartMental Health Counselor1881010403
  6. Christine Hawkins, APRNPsychiatric/Mental Health Nurse Practitioner1952526733

Verify Stephen Michael Gannon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 1561
    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 New Hampshire license search

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56 addiction (substance use disorder) counselor records list a practice address in Concord

They are 56 of the 3,103 NPPES records with a practice address in Concord, and 516 addiction (substance use disorder) counselor records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other addiction (substance use disorder) counselor records in New Hampshire

  1. Cassandra Abare Hoyt, MLADC, LCMHCNew London, NH1417506890
  2. Jacqueline Abikoff, LICSW, M LADCGilford, NH1700934742
  3. Olivia Aboshar, MSWDover, NH1306587902
  4. David AdamsHudson, NH1629533781
  5. John Ahman, MA, LADCManchester, NH1235136250
  6. Kayleigh Almon, ASSomersworth, NH1477211613
  7. Kimberlee Altomare, CRSWConcord, NH1356955827
  8. Lucille Amero, LADCLittleton, NH1780009886
  9. Keith AndersonLittleton, NH1285210393
  10. Kerry AndrekThornton, NH1609632587

Common questions

What is Stephen Michael Gannon, LADC1's NPI number?

Stephen Michael Gannon, LADC1's National Provider Identifier (NPI) is 1538462312, issued on Dec 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Michael Gannon, LADC1 located?

The NPPES record lists a practice address at 117 Manchester St Ste 5A, Concord, NH, 03301. Phone: (603) 606-9357. Providers update this record themselves, so call before visiting.

How can I verify Stephen Michael Gannon, LADC1's license?

NPPES lists New Hampshire license number 1561, as entered by the provider. Search the New Hampshire 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.