John McMahon, LCSW
Mental Health Counselor · Columbus, MS
John McMahon, LCSW is a mental health counselor with a practice address in Columbus, Mississippi, and NPI 1033399118, issued on Nov 6, 2007. Check the license (Mississippi C5895, as entered in NPPES) with the Mississippi board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John McMahon
- Credential
- LCSW
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- C5895 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Main St, Columbus, MS 39701
- Phone
- (662) 328-9225
- Enumerated
- Nov 6, 2007
- Record last updated
- Oct 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (662) 328-4735
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 3,163 in Mississippi → Look up another NPI →
Also registered at 1001 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license C5895Check 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 McMahon among 3,163 mental health counselor records in Mississippi
John McMahon, LCSW is one of 3,163 mental health counselor records with a practice address in Mississippi. 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 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 89% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2010 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 mental health counselor records list a practice address in Columbus
They are 65 of the 843 NPPES records with a practice address in Columbus, and 3,163 mental health counselor records in Mississippi. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,163 in Mississippi → Every provider in Columbus → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Jennifer Carpenter, MSColumbus, MS 397011144453481
- Olivia Davis, MAColumbus, MS 397011710133350
- Danny Dean, MSColumbus, MS 397011285803254
- Angela Golson, LPCColumbus, MS 397011497914899
- Monica Gonzalez, MAColumbus, MS 397011669663407
- Amanda Millsaps, MSColumbus, MS 397011235396375
- Michell Mitchell, MSColumbus, MS 397011649408931
- Kimberly Mullin, LPCColumbus, MS 397011548347081
Common questions
What is John McMahon, LCSW's NPI number?
John McMahon, LCSW's National Provider Identifier (NPI) is 1033399118, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John McMahon, LCSW located?
The NPPES record lists a practice address at 1001 Main St, Columbus, MS, 39701. Phone: (662) 328-9225. Providers update this record themselves, so call before visiting.
How can I verify John McMahon, LCSW's license?
NPPES lists Mississippi license number C5895, as entered by the provider. Search the Mississippi 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.