NPPES file of Aug 9, 2026

Mary Loos, CAC III

Addiction (Substance Use Disorder) Counselor · Denver, CO

Mary Loos, CAC III is an addiction (substance use disorder) counselor with a practice address in Denver, Colorado, and NPI 1285032169, issued on Dec 9, 2014. Check the license (Colorado ACC.0006676, 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
1285032169
Name
Mary Loos
Credential
CAC III
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
ACC.0006676 CO
Self-reported in NPPES; status is on the state search
Practice location
3738 W Princeton Cir, Denver, CO 80236
Phone
(303) 333-4280
Enumerated
Dec 9, 2014
Record last updated
Dec 9, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(303) 333-0104
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 3738 W Princeton Cir

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

  1. Irene Arguelles, L.P.C.Professional Counselor1205048899
  2. Darren Conner, CAC IIIAddiction (Substance Use Disorder) Counselor1679978779
  3. Teresa Craig, CAC IIIAddiction (Substance Use Disorder) Counselor1649678525
  4. Erin De MoranvilleClinical Social Worker1780856351
  5. Kayla Deep, LSW, LACSocial Worker1417796392
  6. Alexie Devine, LPCProfessional Counselor1255545745

Verify Mary Loos 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 ACC.0006676    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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Mary Loos among 1,876 addiction (substance use disorder) counselor records in Colorado

Mary Loos, 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 2014, is newer than 29% of them.

  • NPI issued2014 · 29% of these records are older, 64% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2014 · 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).

353 addiction (substance use disorder) counselor records list a practice address in Denver

They are 353 of the 25,068 NPPES records with a practice address in Denver, and 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 Denver → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Herbert Brown, CAC III, MADenver, CO 802361215335252
  2. Darren Conner, CAC IIIDenver, CO 802361679978779
  3. Teresa Craig, CAC IIIDenver, CO 802361649678525
  4. Melissa KoehlerDenver, CO 802361407252125
  5. Joann Martinez, CAC IIIDenver, CO 802361134525025
  6. Melissa McConnellDenver, CO 802361548666787
  7. Curtis MeadowsDenver, CO 802361861890956
  8. Sara Moss, CAC IIIDenver, CO 802361346645645

Common questions

What is Mary Loos, CAC III's NPI number?

Mary Loos, CAC III's National Provider Identifier (NPI) is 1285032169, issued on Dec 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mary Loos, CAC III located?

The NPPES record lists a practice address at 3738 W Princeton Cir, Denver, CO, 80236. Phone: (303) 333-4280. Providers update this record themselves, so call before visiting.

How can I verify Mary Loos, CAC III's license?

NPPES lists Colorado license number ACC.0006676, 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.