NPPES file of Aug 9, 2026

Christine McMahon, LCSW; LICSW

Clinical Social Worker · Lacey, WA

Christine McMahon, LCSW; LICSW is a clinical social worker with a practice address in Lacey, Washington, and NPI 1144500182, issued on Aug 22, 2011. Check the license (Washington LW61410349, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1144500182
Name
Christine McMahon
Credential
LCSW; LICSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LW61410349 WA
078008 NY
Self-reported in NPPES; status is on the state search
Practice location
7031 Mullen RD SE, Lacey, WA 98503
Phone
(516) 312-9939
Enumerated
Aug 22, 2011
Record last updated
Jul 28, 2024
Medicare enrollment
Enrolled (PECOS I20111110000453); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Christine McMahon 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 LW61410349
    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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Bills Medicare through one group practice

  1. Bmsc AZ LLCCambria Heights, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christine McMahon among 6,382 clinical social worker records in Washington

Christine McMahon, LCSW; LICSW is one of 6,382 clinical social worker records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 27% of them.

  • NPI issued2011 · 27% of these records are older, 70% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2005 · median 2010 among the 984 with a school on file
  • Record last updated2024 · 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 1041C0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

49 clinical social worker records list a practice address in Lacey

They are 49 of the 1,559 NPPES records with a practice address in Lacey, and 6,382 clinical social worker records in Washington.

The 8 clinical social worker records with the nearest ZIP codes

  1. Jason Arnold, LICSWLacey, WA 985031174758700
  2. Toccara Barber-Hudson, LCSWLacey, WA 985031346606134
  3. Brittany Begley-Dennis, LICSWLacey, WA 985031801299342
  4. Kristina Callender, LICSWLacey, WA 985031083910590
  5. Linda CoombsLacey, WA 985031457778375
  6. Michelle Crowell, LICSWLacey, WA 985031376669671
  7. Gary Fredericksen, LICSWLacey, WA 985031700950557
  8. Sunny RussellOlympia, WA 985031497191183

Common questions

What is Christine McMahon, LCSW; LICSW's NPI number?

Christine McMahon, LCSW; LICSW's National Provider Identifier (NPI) is 1144500182, issued on Aug 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Christine McMahon, LCSW; LICSW located?

The NPPES record lists a practice address at 7031 Mullen RD SE, Lacey, WA, 98503. Phone: (516) 312-9939. Providers update this record themselves, so call before visiting.

How can I verify Christine McMahon, LCSW; LICSW's license?

NPPES lists Washington license number LW61410349, 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. Medicare files from data.cms.gov. 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.