ALEX O'BRIEN LAMBERT
NPI 1497101406
Emergency Medicine in Seattle, WA
About Alex O'brien Lambert NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX O'BRIEN LAMBERT (NPI 1497101406) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60877978) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of University Of Washington School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Alex O'brien Lambert 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 Alex Lambert reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 50 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 95 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Overlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician 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.
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 Alex Lambert's NPI number?
The NPI number for Alex Lambert is 1497101406. It was assigned to this individual provider in the NPPES registry on May 9, 2016. The provider is also known as Alex O'brien-Lambert.
Where is Alex Lambert located?
Alex Lambert practices at 325 9th Ave Box 359702, Seattle, WA 98104. The listed phone number is (206) 744-2556.
What is Alex Lambert's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alex Lambert enrolled in Medicare?
Yes. Alex Lambert 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 Alex Lambert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Lambert reassigns Medicare benefits to 2 organizations: Puget Sound Physicians PLLC (Bellevue, WA) and North Sound Emergency Medicine PC (Everett, 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 Alex Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Lambert accept?
Health plans from Ambetter Health list Alex Lambert 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 Alex Lambert affiliated with any hospitals?
According to CMS data, Alex Lambert is affiliated with Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Alex Lambert was last updated on June 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alex O'brien Lambert · NPI 1497101406
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 9, 2016.
## Identity
- **NPI:** 1497101406 (Entity type: Individual)
- **Enumerated:** May 9, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD60877978 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, BOX 359702, Seattle, WA 98104-2420
- **Phone:** (206) 744-2556
## 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): Puget Sound Physicians PLLC (NPI 1801900501, Bellevue, WA); North Sound Emergency Medicine PC (NPI 1114937919, Everett, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** June 11, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1497101406) · Data from the CMS NPPES public registry.