David Mark Houston, LCSW
Mental Health Counselor · Portland, OR
David Mark Houston, LCSW is a mental health counselor with a practice address in Portland, Oregon, and NPI 1982788717, issued on Oct 25, 2006. Check the license (Oregon 2834, 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.
- Name
- David Mark Houston
- Credential
- LCSW
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 2834 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2106 NE 40TH Ave, Portland, OR 97212
- Phone
- (503) 422-4110
- Enumerated
- Oct 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 15,190 in Oregon → Look up another NPI →
Also registered at 2106 NE 40TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachael Berkeley, LCSWClinical Social Worker1639214372
- Graham BorgmanMental Health Counselor1982072997
- Maureen O'Donnell, LPCMental Health Counselor1629271994
- Kelly Reams, M.S.W.Clinical Social Worker1669500914
- Redmond Reams, PH.D.Clinical Child & Adolescent Psychologist1518904457
Verify David Mark Houston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 2834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Mark Houston among 15,190 mental health counselor records in Oregon
David Mark Houston, LCSW is one of 15,190 mental health counselor records with a practice address in Oregon. 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 98% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,724 mental health counselor records list a practice address in Portland
They are 3,724 of the 42,088 NPPES records with a practice address in Portland, and 15,190 mental health counselor records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 15,190 in Oregon → Every provider in Portland → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Wade Belknap, QMHPPortland, OR 972121053436634
- Royce Bowlin, QMHP, M.S. PSYPortland, OR 972121891888475
- Grace Cantor, M.A.Portland, OR 972121295984441
- Allison Fraser, QMHPPortland, OR 972121235204165
- Christina Irvine, PSY.D.Portland, OR 972121558553164
- Miranda May, LPCPortland, OR 972121962651562
- Faisal MutuaPortland, OR 972121467530790
- Briant Nierstedt, MAPortland, OR 972121023226032
Common questions
What is David Mark Houston, LCSW's NPI number?
David Mark Houston, LCSW's National Provider Identifier (NPI) is 1982788717, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Mark Houston, LCSW located?
The NPPES record lists a practice address at 2106 NE 40TH Ave, Portland, OR, 97212. Phone: (503) 422-4110. Providers update this record themselves, so call before visiting.
How can I verify David Mark Houston, LCSW's license?
NPPES lists Oregon license number 2834, 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.
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.