MS. CHRISTINE MCMAHON LCSW; LICSW
NPI 1144500182
Social Worker - Clinical in Lacey, WA
About Ms. Christine Mcmahon Lcsw; Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CHRISTINE MCMAHON LCSW; LICSW (NPI 1144500182) is an individual clinical provider in Lacey, Washington, licensed in New York (078008) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, is affiliated with Cayuga Medical Center At Ithaca, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Christine Mcmahon Lcsw; Licsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Christine Mcmahon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tukwila, WA 98188
- Reassigned Medicare billing, Washington enrollment
- 43 clinicians in this Medicare group
Plainfield, IL 60585
- Reassigned Medicare billing, New York and Washington enrollments
- 25 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cayuga Medical Center At Ithaca
Acute Care Hospitals · Ithaca, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Christine Mcmahon's NPI number?
The NPI number for Christine Mcmahon is 1144500182. It was assigned to this individual provider in the NPPES registry on August 22, 2011.
Where is Christine Mcmahon located?
Christine Mcmahon practices at 7031 Mullen Rd SE, Lacey, WA 98503. The listed phone number is (516) 312-9939.
What is Christine Mcmahon's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Christine Mcmahon enrolled in Medicare?
Yes. Christine Mcmahon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Christine Mcmahon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Mcmahon reassigns Medicare benefits to 2 organizations: Harbor Youth And Family Counseling (Tukwila, WA) and Bmsc Az LLC (Plainfield, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christine Mcmahon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christine Mcmahon accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Christine Mcmahon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Christine Mcmahon affiliated with any hospitals?
According to CMS data, Christine Mcmahon is affiliated with Cayuga Medical Center At Ithaca.
When was this NPI record last updated?
The NPPES record for Christine Mcmahon was last updated on July 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Christine Mcmahon, LCSW; LICSW · NPI 1144500182
Clinical provider in Lacey, Washington. Individual provider, active in the CMS NPPES registry since August 22, 2011.
## Identity
- **NPI:** 1144500182 (Entity type: Individual)
- **Enumerated:** August 22, 2011
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 078008 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7031 MULLEN RD SE, Lacey, WA 98503-4580
- **Phone:** (516) 312-9939
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Harbor Youth And Family Counseling (NPI 1205466265, Tukwila, WA); Bmsc Az LLC (NPI 1497201875, Plainfield, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** July 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1144500182) · Data from the CMS NPPES public registry.