LEAH LANDSEM
NPI 1154741320
Anesthesiology in Seattle, WA
About Leah Landsem NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH LANDSEM (NPI 1154741320) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD60871484) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Seattle Children's Hospital, and is a graduate of Medical College Of Wisconsin (2014).
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
Leah Landsem 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 Leah Landsem reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- 1,443 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
Seattle Children's Hospital
Childrens · Seattle, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Leah Landsem's NPI number?
The NPI number for Leah Landsem is 1154741320. It was assigned to this individual provider in the NPPES registry on April 25, 2014.
Where is Leah Landsem located?
Leah Landsem practices at 1959 NE Pacific St Box 356540, Seattle, WA 98195. The listed phone number is (206) 543-2773.
What is Leah Landsem's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Leah Landsem enrolled in Medicare?
Yes. Leah Landsem 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 Leah Landsem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Landsem reassigns Medicare benefits to 2 organizations: The Association Of Chrmc And University Physicians (Seattle, WA) and The Association Of University Physicians (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 Leah Landsem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah Landsem accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Leah Landsem 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 Leah Landsem affiliated with any hospitals?
According to CMS data, Leah Landsem is affiliated with Seattle Children's Hospital.
When was this NPI record last updated?
The NPPES record for Leah Landsem was last updated on February 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Leah Landsem · NPI 1154741320
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 25, 2014.
## Identity
- **NPI:** 1154741320 (Entity type: Individual)
- **Enumerated:** April 25, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD60871484 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1959 NE PACIFIC ST, BOX 356540, Seattle, WA 98195-6540
- **Phone:** (206) 543-2773
## 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): The Association Of Chrmc And University Physicians (NPI 1255449963, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2014
## Record status
- **NPPES last updated:** February 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1154741320) · Data from the CMS NPPES public registry.