NPPES file of Aug 9, 2026

Estevan Ventura Deleon, MS,LCPC,LAC

Addiction (Substance Use Disorder) Counselor · Billings, MT

Estevan Ventura Deleon, MS,LCPC,LAC is an addiction (substance use disorder) counselor with a practice address in Billings, Montana, and NPI 1366605305, issued on Jul 9, 2008. Check the license (Montana 1100, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366605305
Name
Estevan Ventura Deleon
Credential
MS,LCPC,LAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
1100 MT
1273 MT
Self-reported in NPPES; status is on the state search
Practice location
1127 Alderson Ave, Billings, MT 59102
Phone
(406) 245-7318
Enumerated
Jul 9, 2008
Record last updated
Jul 9, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(406) 248-5912
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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8 nearest addiction (substance use disorder) counselor records → All 691 in Montana → Look up another NPI →

Also registered at 1127 Alderson Ave

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

  1. Arnold Devous, MD, MPH, FACPMPublic Health & General Preventive Medicine Physician1073566733
  2. Pamela Garza, RNRegistered Nurse1568622488
  3. Dana Leclair, LACAddiction (Substance Use Disorder) Counselor1922268903
  4. Janice Linn, M.D.Family Medicine Physician1699825570
  5. Deloris Shaub, R.N.Registered Nurse1215199443
  6. Delores Smith, LACAddiction (Substance Use Disorder) Counselor1972763514

Verify Estevan Ventura Deleon 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 1100    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.

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Estevan Ventura Deleon among 691 addiction (substance use disorder) counselor records in Montana

Estevan Ventura Deleon, MS,LCPC,LAC is one of 691 addiction (substance use disorder) counselor records with a practice address in Montana. 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 2008, is newer than 14% of them.

  • NPI issued2008 · 14% of these records are older, 83% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2008 · 49% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

157 addiction (substance use disorder) counselor records list a practice address in Billings

They are 157 of the 4,035 NPPES records with a practice address in Billings, and 691 addiction (substance use disorder) counselor records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 691 in Montana → Every provider in Billings → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Patricia Flynn, LACBillings, MT 591021639364268
  2. Renee Jones, BS, LACBillings, MT 591021306189824
  3. Jodi Kristjanson, LACBillings, MT 591021528003456
  4. Dana Leclair, LACBillings, MT 591021922268903
  5. Treva Lyng, LACBillings, MT 591021891781761
  6. Barbara Phillips, LAC (101YA0400X)Billings, MT 591021760003750
  7. Virginia Prior, MA MFTBillings, MT 591021407995616
  8. Elizabeth Roan, LACBillings, MT 591021063862472

Common questions

What is Estevan Ventura Deleon, MS,LCPC,LAC's NPI number?

Estevan Ventura Deleon, MS,LCPC,LAC's National Provider Identifier (NPI) is 1366605305, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Estevan Ventura Deleon, MS,LCPC,LAC located?

The NPPES record lists a practice address at 1127 Alderson Ave, Billings, MT, 59102. Phone: (406) 245-7318. Providers update this record themselves, so call before visiting.

How can I verify Estevan Ventura Deleon, MS,LCPC,LAC's license?

NPPES lists Montana license number 1100, 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), 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.