NPPES file of Aug 9, 2026

Mark William Douglass, LPC

Professional Counselor · Clackamas, OR

Mark William Douglass, LPC is a professional counselor with a practice address in Clackamas, Oregon, and NPI 1023283660, issued on Apr 24, 2008. Check the license (Oregon C2839, as entered in NPPES) with the Oregon 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
1023283660
Name
Mark William Douglass
Credential
LPC
Primary taxonomy
Professional Counselor 101YP2500X
License numbers
C2839 OR
18-03-14 OR
Self-reported in NPPES; status is on the state search
Practice location
10180 SE Sunnyside RD, Clackamas, OR 97015
Phone
(503) 517-0878
Enumerated
Apr 24, 2008
Record last updated
Nov 24, 2023
Fax
(503) 517-0866
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 professional counselor records → All 2,558 in Oregon → Look up another NPI →

Also registered at 10180 SE Sunnyside RD

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

  1. Aaron Abajian, MDDiagnostic Radiology Physician1942732300
  2. Samer Abufadil, MDInternal Medicine Physician1750437653
  3. Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
  4. Alejandro Aguilar, PA-CPhysician Assistant1740940006
  5. Usman Ahmad, D.O.Internal Medicine Physician1326288697
  6. Hyun Jung AhnPhysical Therapist1245014703

Verify Mark William Douglass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license C2839    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 Oregon 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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Mark William Douglass among 2,558 professional counselor records in Oregon

Mark William Douglass, LPC is one of 2,558 professional counselor records with a practice address in Oregon. 13% 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 17% of them.

  • NPI issued2008 · 17% of these records are older, 78% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2023 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Professional Counselor providers in Oregon

There are 2,558 professional counselor records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,558 in Oregon → Every provider in Clackamas → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Mihretu DessalegneClackamas, OR 970151962851212
  2. Kimberly Frazier, MS, LPC, CGACIIClackamas, OR 970151902190614
  3. Nicole GiustoClackamas, OR 970151558149138
  4. Timothy HammClackamas, OR 970151972817229
  5. Stacie Larson, LPCClackamas, OR 970151518005206
  6. Lindsay Miller, M.A.Clackamas, OR 970151982983987
  7. Laura Oswald, LPCClackamas, OR 970151083034904
  8. Matthew Preuitt, LPCClackamas, OR 970151922730365

Common questions

What is Mark William Douglass, LPC's NPI number?

Mark William Douglass, LPC's National Provider Identifier (NPI) is 1023283660, issued on Apr 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark William Douglass, LPC located?

The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (503) 517-0878. Providers update this record themselves, so call before visiting.

How can I verify Mark William Douglass, LPC's license?

NPPES lists Oregon license number C2839, as entered by the provider. Search the Oregon 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.