NPPES file of Aug 9, 2026

Mark Levi Briggs, LMHCA

Counselor · Issaquah, WA

Mark Levi Briggs, LMHCA is a counselor with a practice address in Issaquah, Washington, and NPI 1598435117, issued on Sep 15, 2021. Check the license (Washington CG61099654, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598435117
Name
Mark Levi Briggs
Credential
LMHCA
Primary taxonomy
Counselor 101Y00000X
License number
CG61099654 WA
Self-reported in NPPES; status is on the state search
Practice location
PO Box 3057, Issaquah, WA 98027
Phone
(425) 835-2503
Enumerated
Sep 15, 2021
Record last updated
Jan 6, 2026
Fax
(425) 285-5436
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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Verify Mark Levi Briggs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license CG61099654
    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 Washington 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 Levi Briggs among 11,350 counselor records in Washington

Mark Levi Briggs, LMHCA 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 2021, is newer than 48% of them.

  • NPI issued2021 · 48% of these records are older, 44% 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 updated2026 · 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).

Counselor providers in Washington

There are 11,350 counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 counselor records with the nearest ZIP codes

  1. Anthony Branch, LMHCIssaquah, WA 980271255671939
  2. Andrew ChenIssaquah, WA 980271215588678
  3. Krista Gibbons, MC60701062Issaquah, WA 980271942751771
  4. Jana Grimes, LMHC, CDPIssaquah, WA 980271922303445
  5. Chris KaneIssaquah, WA 980271912323072
  6. Liana MontagueIssaquah, WA 980271063609956
  7. Carla MungerIssaquah, WA 980271518388230
  8. Ashley Schauer, SUDPIssaquah, WA 980271003555020

Common questions

What is Mark Levi Briggs, LMHCA's NPI number?

Mark Levi Briggs, LMHCA's National Provider Identifier (NPI) is 1598435117, issued on Sep 15, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark Levi Briggs, LMHCA located?

The NPPES record lists a practice address at PO Box 3057, Issaquah, WA, 98027. Phone: (425) 835-2503. Providers update this record themselves, so call before visiting.

How can I verify Mark Levi Briggs, LMHCA's license?

NPPES lists Washington license number CG61099654, 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.