JEFFREY R MCLAREN M.D.
NPI 1093057242
Anesthesiology in Seattle, WA
About Jeffrey R Mclaren M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY R MCLAREN M.D. (NPI 1093057242) is an individual anesthesiology provider in Seattle, Washington, licensed in Massachusetts (000000) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Jeffrey R Mclaren M.d. 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 Jeffrey Mclaren reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 233 clinicians in this Medicare group
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Bremerton, WA 98310
- Reassigned Medicare billing, Washington enrollment
- 1,526 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.
St Joseph Medical Center
Acute Care Hospitals · Tacoma, WAMedicare 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.
SEATTLE, WA 98112
SEATTLE, WA 98112
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 Jeffrey Mclaren's NPI number?
The NPI number for Jeffrey Mclaren is 1093057242. It was assigned to this individual provider in the NPPES registry on March 25, 2013.
Where is Jeffrey Mclaren located?
Jeffrey Mclaren practices at 201 16th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.
What is Jeffrey Mclaren's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jeffrey Mclaren enrolled in Medicare?
Yes. Jeffrey Mclaren 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 Jeffrey Mclaren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Mclaren reassigns Medicare benefits to 3 organizations: Physicians Anesthesia Service PLLC (Seattle, WA), Kaiser Foundation Health Plan Of Washington (Seattle, WA) and Franciscan Medical Group (Bremerton, 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 Jeffrey Mclaren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffrey Mclaren accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Jeffrey Mclaren 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 Jeffrey Mclaren affiliated with any hospitals?
According to CMS data, Jeffrey Mclaren is affiliated with St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Jeffrey Mclaren was last updated on April 27, 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.
# Jeffrey R Mclaren, M.D. · NPI 1093057242
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 25, 2013.
## Identity
- **NPI:** 1093057242 (Entity type: Individual)
- **Enumerated:** March 25, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 000000 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 16TH AVE E, Seattle, WA 98112-5226
- **Phone:** (206) 326-3000
## 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): Physicians Anesthesia Service PLLC (NPI 1417962200, Seattle, WA); Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA); Franciscan Medical Group (NPI 1154564649, Bremerton, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** April 27, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1093057242) · Data from the CMS NPPES public registry.