KAREN DAVIS TOSH NP
NPI 1609386226
Nurse Practitioner - Primary Care in Centralia, WA
About Karen Davis Tosh Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN DAVIS TOSH NP (NPI 1609386226) is an individual primary care provider in Centralia, Washington, licensed in Washington (AP60865821) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS, is affiliated with Capital Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2015).
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
Karen Davis Tosh Np 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 Karen Tosh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98502
- Reassigned Medicare billing, Washington enrollment
- 220 clinicians in this Medicare group
Lakewood, WA 98499
- Reassigned Medicare billing, Washington enrollment
- 15 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Capital Medical Center
Acute Care Hospitals · Olympia, WASummit Pacific Medical Center
Critical Access Hospitals · Elma, WAMason General Hospital & Family Of Clinics
Critical Access Hospitals · Shelton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98531 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CENTRALIA, WA 98531
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 Tosh's NPI number?
The NPI number for Karen Tosh is 1609386226. It was assigned to this individual provider in the NPPES registry on October 10, 2017.
Where is Karen Tosh located?
Karen Tosh practices at 1815 Cooks Hill Rd Ste B, Centralia, WA 98531. The listed phone number is (360) 807-5029.
What is Karen Tosh's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Karen Tosh enrolled in Medicare?
Yes. Karen Tosh 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 Karen Tosh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Tosh reassigns Medicare benefits to 2 organizations: Capital Medical Center Specialty Physicians, LLC (Olympia, WA) and Mso Washington, Inc. (Lakewood, WA). 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 Karen Tosh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Tosh accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Karen Tosh 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 Karen Tosh affiliated with any hospitals?
According to CMS data, Karen Tosh is affiliated with Capital Medical Center, Summit Pacific Medical Center and Mason General Hospital & Family Of Clinics.
When was this NPI record last updated?
The NPPES record for Karen Tosh was last updated on May 22, 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.
# Karen Davis Tosh, NP · NPI 1609386226
Primary Care physician in Centralia, Washington. Individual provider, active in the CMS NPPES registry since October 10, 2017.
## Identity
- **NPI:** 1609386226 (Entity type: Individual)
- **Enumerated:** October 10, 2017
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** AP60865821 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1815 COOKS HILL RD STE B, Centralia, WA 98531-9170
- **Phone:** (360) 807-5029 · **Fax:** (360) 807-5051
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Capital Medical Center Specialty Physicians, LLC (NPI 1760785281, Olympia, WA); Mso Washington, Inc. (NPI 1891116109, Lakewood, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609386226) · Data from the CMS NPPES public registry.