WARREN SHER
NPI 1912391467
Emergency Medicine in Burien, WA
About Warren Sher NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WARREN SHER (NPI 1912391467) is an individual emergency medicine provider in Burien, Washington, licensed in Washington (MD61521329) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Highline Medical Center, and is a graduate of New York Medical College (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
Warren Sher 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
3Medicare enrollment records show Warren Sher reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burien, WA 98166
- Reassigned Medicare billing, Washington enrollment
- 30 clinicians in this Medicare group
Snoqualmie, WA 98065
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1144432634 (Washington)
- 144 clinicians in this Medicare group
Yulee, FL 32097
- Reassigned Medicare billing, Florida enrollment
- 573 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Highline Medical Center
Acute Care Hospitals · Burien, WASnoqualmie Valley Hospital
Critical Access Hospitals · Snoqualmie, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98166 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Warren Sher's NPI number?
The NPI number for Warren Sher is 1912391467. It was assigned to this individual provider in the NPPES registry on March 23, 2015.
Where is Warren Sher located?
Warren Sher practices at 16251 Sylvester Rd SW, Burien, WA 98166. The listed phone number is (206) 244-9970.
What is Warren Sher's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Warren Sher enrolled in Medicare?
Yes. Warren Sher 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 Warren Sher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Sher reassigns Medicare benefits to 3 organizations: Highline Emergency Physicians PLLC (Burien, WA), Public Hospital District No 4 King County Washington (Snoqualmie, WA) and University Of Florida Jacksonville Physicians Inc (Yulee, FL). 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 Warren Sher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Warren Sher accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Warren Sher 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 Warren Sher affiliated with any hospitals?
According to CMS data, Warren Sher is affiliated with Highline Medical Center and Snoqualmie Valley Hospital.
When was this NPI record last updated?
The NPPES record for Warren Sher was last updated on October 29, 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.
# Warren Sher · NPI 1912391467
Emergency Medicine physician in Burien, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2015.
## Identity
- **NPI:** 1912391467 (Entity type: Individual)
- **Enumerated:** March 23, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD61521329 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 16251 SYLVESTER RD SW, Burien, WA 98166
- **Phone:** (206) 244-9970
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Highline Emergency Physicians PLLC (NPI 1669757290, Burien, WA); Public Hospital District No 4 King County Washington (NPI 1902846546, Snoqualmie, WA); University Of Florida Jacksonville Physicians Inc (NPI 1740836048, Yulee, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2015
## Record status
- **NPPES last updated:** October 29, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1912391467) · Data from the CMS NPPES public registry.