Registry data as of Aug 27, 2026

Mary Deroche, L.A.C.

Addiction (Substance Use Disorder) Counselor · Browning, MT

Mary Deroche, L.A.C. is an addiction (substance use disorder) counselor with a practice address in Browning, Montana, and NPI 1649828641, issued on Sep 3, 2019. Check the license (Montana 786, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649828641
Name
Mary Deroche
Credential
L.A.C.
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
786 MT
Self-reported in NPPES; status is on the state search
Practice location
807 North Piegan Street, Browning, MT 59417
Phone
(406) 338-6330
Enumerated
Sep 3, 2019
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.
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Also registered at 807 North Piegan Street

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

  1. Annette Wells, L.A.C.Addiction (Substance Use Disorder) Counselor1639727829

Verify Mary Deroche in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 786
    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 Montana 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.

24 addiction (substance use disorder) counselor records list a Browning practice address

They are 24 of the 189 NPPES records with a Browning practice address, and 921 addiction (substance use disorder) counselor records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other addiction (substance use disorder) counselor records in Montana

  1. Nourah Abushaban, ACLCPoplar, MT1295656999
  2. Martha Acton, LACBillings, MT1740725787
  3. Carolyn Adams, LACPoplar, MT1912444068
  4. Julie Adams, LACCrow Agency, MT1720576358
  5. Raine Adams, LACWolf Point, MT1013342526
  6. Erin Adams-Griffin, LCSW, LACBozeman, MT1508137274
  7. Stephanie Adkins, LACBillings, MT1700402336
  8. Peter Aimsback, ACLCPolson, MT1992638589
  9. Michelle Alatorre, LACGreat Falls, MT1184453581
  10. Peggy Albee, LCPC, LAC, CRCLewistown, MT1598997561

Common questions

What is Mary Deroche, L.A.C.'s NPI number?

Mary Deroche, L.A.C.'s National Provider Identifier (NPI) is 1649828641, issued on Sep 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mary Deroche, L.A.C. located?

The NPPES record lists a practice address at 807 North Piegan Street, Browning, MT, 59417. Phone: (406) 338-6330. Providers update this record themselves, so call before visiting.

How can I verify Mary Deroche, L.A.C.'s license?

NPPES lists Montana license number 786, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.