Individual provider Active NPI

Benjamin Wayne Hancock, MD

  • Anesthesiology Physician
  • Seattle, WA
National Provider Identifier
1649776378
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD70065355 Issued in WA
Practice address
1100 9TH Ave
Seattle, WA 98101-2756
Phone
(206) 223-6980
Fax
(206) 223-6982
NPI assigned
Apr 2, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 315855 NY
Anesthesiology Physician 207L00000X MD70065355 WA Primary

Addresses

Primary practice location

1100 9TH Ave
Seattle, WA 98101-2756

Mailing address

PO Box 741515
Los Angeles, CA 90074-1515
Phone (206) 223-6980

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, WA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230728002635 NY Practitioner - Anesthesiology 7012253974 Reassigns benefits to 1 organization
I20260108004227 WA Practitioner - Anesthesiology 7012253974 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Indiana University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians

Practice addresses (Care Compare)

1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 223-6600

7901 Broadway
Elmhurst, NY 11373-1329
Phone (718) 334-4952

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD70065355WAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Icahn School of Medicine at Mount Sinai Current Accepting new patients
Virginia Mason Medical Center CurrentSince Feb 26, 2026 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Sep 6, 2023 Accepting new patients
Icahn School of Medicine at Mount Sinai Current Accepting new patients
Virginia Mason Medical Center CurrentSince Feb 26, 2026 Accepting new patients

Locations

7901 Broadway
Rm A119
Elmhurst, NY 11373
Phone (718) 334-3915

7901 Broadway
Flushing, NY 11373
Phone (718) 334-2156

380 Winslow Way E
Bainbridge Island, WA 98110
Phone (206) 842-5632

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

1100 9th Ave
Seattle, WA 98101
Phone (206) 223-6980

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: bhancock359917@nychhc.direct-ci.com

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1649776378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 741515",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900741515",
            "telephone_number": "206-223-6980",
            "fax_number": "206-223-6982"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981012756",
            "telephone_number": "206-223-6980",
            "fax_number": "206-223-6982"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HANCOCK",
        "first_name": "BENJAMIN",
        "middle_name": "WAYNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-02",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "315855",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WA",
            "license": "MD70065355",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.