BENJAMIN WAYNE HANCOCK MD
NPI 1649776378
Anesthesiology in Seattle, WA
About Benjamin Wayne Hancock Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN WAYNE HANCOCK MD (NPI 1649776378) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD70065355) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Hospital Center, and is a graduate of Indiana University School Of Medicine (2018).
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
Benjamin Wayne Hancock Md 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 Benjamin Hancock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Elmhurst Hospital Center
Acute Care Hospitals · Elmhurst, NYVirginia Mason Medical Center
Acute Care Hospitals · Seattle, 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.
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 Benjamin Hancock's NPI number?
The NPI number for Benjamin Hancock is 1649776378. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Benjamin Hancock located?
Benjamin Hancock practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6980.
What is Benjamin Hancock's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Benjamin Hancock enrolled in Medicare?
Yes. Benjamin Hancock 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 Benjamin Hancock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Hancock reassigns Medicare benefits to 2 organizations: Virginia Mason Medical Center (Seattle, WA) and Icahn School Of Medicine At Mount Sinai (Elmhurst, NY). 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 Benjamin Hancock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Hancock accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Benjamin Hancock 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 Benjamin Hancock affiliated with any hospitals?
According to CMS data, Benjamin Hancock is affiliated with Elmhurst Hospital Center and Virginia Mason Medical Center.
When was this NPI record last updated?
The NPPES record for Benjamin Hancock was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Benjamin Wayne Hancock, MD · NPI 1649776378
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1649776378 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD70065355 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 9TH AVE, Seattle, WA 98101-2756
- **Phone:** (206) 223-6980 · **Fax:** (206) 223-6982
## 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): Virginia Mason Medical Center (NPI 1003970989, Seattle, WA); Icahn School Of Medicine At Mount Sinai (NPI 1063766038, Elmhurst, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** February 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649776378) · Data from the CMS NPPES public registry.