NPPES file of Aug 9, 2026

Mark Alyn Montgomery, LPC, LISAC

Addiction (Substance Use Disorder) Counselor · Mesa, AZ

Mark Alyn Montgomery, LPC, LISAC is an addiction (substance use disorder) counselor with a practice address in Mesa, Arizona, and NPI 1851478564, issued on Nov 1, 2006. Check the license (Arizona LISAC-1677, as entered in NPPES) with the Arizona 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
1851478564
Name
Mark Alyn Montgomery
Credential
LPC, LISAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
LISAC-1677 AZ
LPC-2087 AZ
Self-reported in NPPES; status is on the state search
Practice location
4554 E. Inverness Ave., C-108, Mesa, AZ 85206
Phone
(480) 330-5031
Enumerated
Nov 1, 2006
Record last updated
Sep 11, 2025
Fax
(480) 926-2326
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 837 in Arizona → Look up another NPI →

Verify Mark Alyn Montgomery in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license LISAC-1677    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 Arizona 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.

Mark Alyn Montgomery among 837 addiction (substance use disorder) counselor records in Arizona

Mark Alyn Montgomery, LPC, LISAC is one of 837 addiction (substance use disorder) counselor records with a practice address in Arizona. under 1% 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 89% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2025 · 57% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Arizona

There are 837 addiction (substance use disorder) counselor records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 837 in Arizona → Every provider in Mesa → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Deidra Angulo, PSD, LISACMesa, AZ 852061902408255
  2. Melissa Blanchard, M.ED.Mesa, AZ 852061326032467
  3. David Campbell, LISACMesa, AZ 852061952424889
  4. Joanna ColleranMesa, AZ 852061770159758
  5. David Emenhiser, LISAC, CADACMesa, AZ 852061235580713
  6. Kimberly Greenwood, LISACMesa, AZ 852061043994197
  7. Gabrielle Mapes-AlhoutMesa, AZ 852061942967716
  8. Edith Msafiri, LAACMesa, AZ 852061730976358

Common questions

What is Mark Alyn Montgomery, LPC, LISAC's NPI number?

Mark Alyn Montgomery, LPC, LISAC's National Provider Identifier (NPI) is 1851478564, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alyn Montgomery, LPC, LISAC located?

The NPPES record lists a practice address at 4554 E. Inverness Ave., C-108, Mesa, AZ, 85206. Phone: (480) 330-5031. Providers update this record themselves, so call before visiting.

How can I verify Mark Alyn Montgomery, LPC, LISAC's license?

NPPES lists Arizona license number LISAC-1677, as entered by the provider. Search the Arizona 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.