NPPES file of Aug 9, 2026

Dennis M. Oneill, CAC III

Addiction (Substance Use Disorder) Counselor · Colorado Springs, CO

Dennis M. Oneill, CAC III is an addiction (substance use disorder) counselor with a practice address in Colorado Springs, Colorado, and NPI 1588252936, issued on Dec 31, 2020. Check the license (Colorado ACC2536, as entered in NPPES) with the Colorado 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
1588252936
Name
Dennis M. Oneill
Credential
CAC III
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
ACC2536 CO
Self-reported in NPPES; status is on the state search
Practice location
839 S Circle Dr, Colorado Springs, CO 80910
Phone
(719) 578-5433
Enumerated
Dec 31, 2020
Record last updated
Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
1669731022 CO
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 1,876 in Colorado → Look up another NPI →

Also registered at 839 S Circle Dr

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

  1. Stephen Christopher, LPC, CAC II, CCCTPProfessional Counselor1164813580
  2. Hollie Lanning, PEER SUPPORTPeer Specialist1215524715
  3. Francine Sweet, MA, MS, ADDCAddiction (Substance Use Disorder) Counselor1518634039

Verify Dennis M. Oneill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license ACC2536    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 Colorado license search

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Dennis M. Oneill among 1,876 addiction (substance use disorder) counselor records in Colorado

Dennis M. Oneill, CAC III is one of 1,876 addiction (substance use disorder) counselor records with a practice address in Colorado. 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 2020, is newer than 63% of them.

  • NPI issued2020 · 63% of these records are older, 32% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2020 · 55% 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 Colorado 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 Colorado

There are 1,876 addiction (substance use disorder) counselor records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,876 in Colorado → Every provider in Colorado Springs → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Alfred ArmourColorado Springs, CO 809101134689888
  2. Carl Bauer, CACIIIColorado Springs, CO 809101053776658
  3. Kristi Brewster, LPC, LACColorado Springs, CO 809101487123741
  4. Donnie Fennimore, CASColorado Springs, CO 809101447813324
  5. Lisa Gosnell-Binkley, CAC IIIColorado Springs, CO 809101891914966
  6. Mallory Heise, LACColorado Springs, CO 809101801358650
  7. Gloria LaneColorado Springs, CO 809101770611493
  8. Michael MaestasColorado Springs, CO 809101073911228

Common questions

What is Dennis M. Oneill, CAC III's NPI number?

Dennis M. Oneill, CAC III's National Provider Identifier (NPI) is 1588252936, issued on Dec 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Dennis M. Oneill, CAC III located?

The NPPES record lists a practice address at 839 S Circle Dr, Colorado Springs, CO, 80910. Phone: (719) 578-5433. Providers update this record themselves, so call before visiting.

How can I verify Dennis M. Oneill, CAC III's license?

NPPES lists Colorado license number ACC2536, as entered by the provider. Search the Colorado 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.