NPPES file of Aug 9, 2026

Michael Warren Buffum, CAC

Addiction (Substance Use Disorder) Counselor · Denver, CO

Michael Warren Buffum, CAC is an addiction (substance use disorder) counselor with a practice address in Denver, Colorado, and NPI 1699031922, issued on Apr 11, 2012. Check the license (Colorado 1599, 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
1699031922
Name
Michael Warren Buffum
Credential
CAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
1599 CO
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St Unit 9, Denver, CO 80204
Phone
(303) 436-5708
Enumerated
Apr 11, 2012
Record last updated
Apr 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(303) 436-5157
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 777 Bannock St Unit 9

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

  1. Adam Cabrera, CAC IIIAddiction (Substance Use Disorder) Counselor1346507696
  2. Hope CarrancoAddiction (Substance Use Disorder) Counselor1427291319
  3. Michael Goodman, CACAddiction (Substance Use Disorder) Counselor1609133768
  4. Frank Hernandez, CACIIIAddiction (Substance Use Disorder) Counselor1336405638
  5. Doris Hsu, BA, CAC IIIAddiction (Substance Use Disorder) Counselor1558513051
  6. Charlene Raby, ASCACIIIAddiction (Substance Use Disorder) Counselor1144587163

Verify Michael Warren Buffum 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 1599    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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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 353 in Denver → All 1,876 in Colorado → Every provider in Denver →

Other addiction (substance use disorder) counselor records in Colorado

  1. Tajmah AbdulrahmaanWheat Ridge, CO1225808124
  2. Carlos Abel, CASLeadville, CO1033405808
  3. Clifford Abeyta, CAS, MSWFort Collins, CO1669489779
  4. Emory AbeytaPueblo, CO1457986010
  5. James Abrams, LPC, LACDenver, CO1871945915
  6. Marina AcostaDenver, CO1881127801
  7. Carly Acuna, LSWDenver, CO1831784917
  8. Alexis AdamsLafayette, CO1497422950
  9. Brian Adams, MSW, LAC, SWCColorado Springs, CO1811873359
  10. Danelle Adams, MA, CAC IIIWheat Ridge, CO1316373699

Common questions

What is Michael Warren Buffum, CAC's NPI number?

Michael Warren Buffum, CAC's National Provider Identifier (NPI) is 1699031922, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Michael Warren Buffum, CAC located?

The NPPES record lists a practice address at 777 Bannock St Unit 9, Denver, CO, 80204. Phone: (303) 436-5708. Providers update this record themselves, so call before visiting.

How can I verify Michael Warren Buffum, CAC's license?

NPPES lists Colorado license number 1599, 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.