SHANNON ROSE LEMASTER
NPI 1649553645
Nurse Practitioner - Psychiatric/Mental Health in Seattle, WA
About Shannon Rose Lemaster NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON ROSE LEMASTER (NPI 1649553645) is an individual psychiatric/mental health provider in Seattle, Washington, licensed in Washington (AP60251150) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS.
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 (PECOS)
Shannon Rose Lemaster is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Shannon Lemaster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Emily Program P C
- 41 clinicians in this Medicare group
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Seattle Childrens Hospital
- 912 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Shannon Lemaster's NPI number?
The NPI number for Shannon Lemaster is 1649553645. It was assigned to this individual provider in the NPPES registry on September 26, 2011.
Where is Shannon Lemaster located?
Shannon Lemaster practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3000.
What is Shannon Lemaster's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Shannon Lemaster enrolled in Medicare?
Yes. Shannon Lemaster is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shannon Lemaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Lemaster reassigns Medicare benefits to 2 organizations: Emily Program PC (Seattle, WA) and Seattle Children's Hospital (Seattle, 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 Shannon Lemaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannon Lemaster accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Shannon Lemaster 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 Shannon Lemaster was last updated on April 4, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Shannon Rose Lemaster · NPI 1649553645
Psychiatric/Mental Health physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since September 26, 2011.
## Identity
- **NPI:** 1649553645 (Entity type: Individual)
- **Enumerated:** September 26, 2011
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** AP60251150 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 744-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Emily Program PC (NPI 1154696698, Seattle, WA); Seattle Children's Hospital (NPI 1003319500, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 4, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1649553645) · Data from the CMS NPPES public registry.