Mark D. Houglum
Counselor · Seattle, WA
Mark D. Houglum is a counselor with a practice address in Seattle, Washington, and NPI 1477647063, issued on Oct 3, 2006. Check the license (Washington RC00036020, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark D. Houglum
- Primary taxonomy
- Counselor 101Y00000X
- License numbers
- RC00036020 WA
LF00001059 WA
Self-reported in NPPES; status is on the state search - Practice location
- 564 NE Ravenna Blvd, Seattle, WA 98115
- Phone
- (206) 527-2266
- Enumerated
- Oct 3, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (206) 527-1009
- Entity
- Type 1 · individual
8 nearest counselor records → All 11,350 in Washington → Look up another NPI →
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Verify Mark D. Houglum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license RC00036020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark D. Houglum among 11,350 counselor records in Washington
Mark D. Houglum is one of 11,350 counselor records with a practice address in Washington. under 1% 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 · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,278 counselor records list a practice address in Seattle
They are 2,278 of the 41,956 NPPES records with a practice address in Seattle, and 11,350 counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,350 in Washington → Every provider in Seattle → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Mandy AlexanderSeattle, WA 981151104190453
- John AmannSeattle, WA 981151447401914
- Catherine HogueSeattle, WA 981151982154662
- John Kanai, MBA, AACSeattle, WA 981151578908927
- Collin McShirley, MA,MFTSeattle, WA 981151861901746
- Burke Miller, MA, LMHCSeattle, WA 981151821116112
- Kathy MutchlerSeattle, WA 981151376073775
- Aura PayneSeattle, WA 981151255810024
Common questions
What is Mark D. Houglum's NPI number?
Mark D. Houglum's National Provider Identifier (NPI) is 1477647063, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Houglum located?
The NPPES record lists a practice address at 564 NE Ravenna Blvd, Seattle, WA, 98115. Phone: (206) 527-2266. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Houglum's license?
NPPES lists Washington license number RC00036020, as entered by the provider. Search the Washington 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.