MS. KAREN LOUISE SIMMS MA, LMHC
NPI 1871642777
Counselor - Mental Health in Mountlake Terrace, WA
About Ms. Karen Louise Simms Ma, Lmhc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN LOUISE SIMMS MA, LMHC (NPI 1871642777) is an individual mental health provider in Mountlake Terrace, Washington, licensed in Washington (LH 00011100) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS 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. Karen Louise Simms Ma, Lmhc 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 Reassignment
Medicare enrollment records show Karen Simms reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountlake Terrace, WA 98043
- Reassigned Medicare billing, Washington enrollment
- 777 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.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNTLAKE TERRACE, WA 98043
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 Karen Simms's NPI number?
The NPI number for Karen Simms is 1871642777. It was assigned to this individual provider in the NPPES registry on January 9, 2007.
Where is Karen Simms located?
Karen Simms practices at 21907 64th Ave W Suite 200, Mountlake Terrace, WA 98043. The listed phone number is (206) 890-0814.
What is Karen Simms's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Karen Simms enrolled in Medicare?
Yes. Karen Simms 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 organization bills Medicare for Karen Simms's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Simms reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, WA). The 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 Karen Simms's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Simms accept?
Health plans from Ambetter Health, BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc. and PacificSource Health Plans and 3 other insurers list Karen Simms 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.
When was this NPI record last updated?
The NPPES record for Karen Simms was last updated on April 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Karen Louise Simms, MA, LMHC · NPI 1871642777
Mental Health provider in Mountlake Terrace, Washington. Individual provider, active in the CMS NPPES registry since January 9, 2007.
## Identity
- **NPI:** 1871642777 (Entity type: Individual)
- **Enumerated:** January 9, 2007
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** LH 00011100 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 21907 64TH AVE W, SUITE 200, Mountlake Terrace, WA 98043-2200
- **Phone:** (206) 890-0814
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mindful Therapy Group PC (NPI 1316238678, Mountlake Terrace, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** April 28, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1871642777) · Data from the CMS NPPES public registry.