John McGahan
Addiction (Substance Use Disorder) Counselor · Quincy, MA
John McGahan is an addiction (substance use disorder) counselor with a practice address in Quincy, Massachusetts, and NPI 1225542582, issued on Nov 24, 2017. Check the license (Massachusetts 321, 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.
- Name
- John McGahan
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 321 MA
Self-reported in NPPES; status is on the state search - Practice location
- 43 Old Colony Ave, Quincy, MA 02170
- Phone
- (857) 496-7341
- Enumerated
- Nov 24, 2017
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 2,375 in Massachusetts → Look up another NPI →
Also registered at 43 Old Colony Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cindy BennettAddiction (Substance Use Disorder) Counselor1134662224
- Nancy Confort, LADCIIAddiction (Substance Use Disorder) Counselor1932642931
- John LivingstoneCounselor1134516487
- David O'Regan, LADCAddiction (Substance Use Disorder) Counselor1104369362
Verify John McGahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John McGahan among 2,375 addiction (substance use disorder) counselor records in Massachusetts
John McGahan 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 2017, is newer than 46% of them.
- NPI issued2017 · 46% of these records are older, 49% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2018 · 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).
61 addiction (substance use disorder) counselor records list a practice address in Quincy
They are 61 of the 2,716 NPPES records with a practice address in Quincy, 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 Quincy → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Cindy BennettQuincy, MA 021701134662224
- Nancy Confort, LADCIIQuincy, MA 021701932642931
- David O'Regan, LADCQuincy, MA 021701104369362
- Jennifer Almeida, LADC 1Quincy, MA 021691902478142
- Samantha Ball, LADAC IIQuincy, MA 021691669082566
- Brandon Benguaich, LADC1Quincy, MA 021691437935145
- Julie BertocchiQuincy, MA 021711952773731
- Angelica BonoQuincy, MA 021691528924388
Common questions
What is John McGahan's NPI number?
John McGahan's National Provider Identifier (NPI) is 1225542582, issued on Nov 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John McGahan located?
The NPPES record lists a practice address at 43 Old Colony Ave, Quincy, MA, 02170. Phone: (857) 496-7341. Providers update this record themselves, so call before visiting.
How can I verify John McGahan's license?
NPPES lists Massachusetts license number 321, 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.
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.