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Dr. Benjamin Wayne Hancock , MD

Anesthesiology β€’ Seattle, WA

Active NPI 1649776378 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

1100 9th Ave
Seattle, WA 981012756

Call 2062236980 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1100 9th Ave

Seattle, WA 981012756

Telephone 2062236980
Fax 2062236982
Organization at the Same NPPES Address or Phone
Virginia Mason Medical Center Facility NPI 1376607234

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 2 distinct group names: Icahn School Of Medicine At Mount Sinai; Virginia Mason Medical Center. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

Indiana University School Of Medicine

Graduation Year

2018

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

Years since graduation

8 years (graduated 2018)

CMS Doctors and Clinicians data list 2018 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2018

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Hancock has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Hancock as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Seattle and Washington

694 active clinicians are listed under Anesthesiology with a practice address in Seattle, WA (1,701 in Washington).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Seattle

1.6% of these 694 clinicians have the CMS telehealth indicator.

69% of these 694 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-02-26
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

License # reported to NPPES WA MD70065355

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

License # reported to NPPES NY 315855

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Washington State Department of Health Provider Lookup.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - ANESTHESIOLOGY

Medicare Enrollment ID

I20260108004227

Enrollment State Jurisdiction

WA

PECOS Control ID

7012253974

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Virginia Mason Medical Center

1100 9th Ave, Seattle, WA 981012756

Phone: 2062236600

Icahn School Of Medicine At Mount Sinai

7901 Broadway, Elmhurst, NY 113731329

Phone: 7183344952

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
Ava Alamdari , BMBS

Anesthesiology

NPI 1649513623
Jessica Alleman , CRNA

Nurse Anesthetist, Certified Registered

NPI 1255901484

Certified Registered Nurse Anesthetist

Julia Anderson , CRNA

Nurse Anesthetist, Certified Registered

NPI 1215376009

Certified Registered Nurse Anesthetist

Dr. Sarah Bain , MD

Anesthesiology

NPI 1467612390

Doctor of Medicine (M.D.)

NPI 1265790018

Doctor of Medicine (M.D.)

Dr. Mark Bomann , MD

Anesthesiology

NPI 1578592937

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

11 Historical Events
πŸ“
Updated Practice Location February 26, 2026

Registered at 1100 9TH AVE, SEATTLE, WA 981012756 (Tel: 2062236980)

πŸ“
Updated Business Mailing Address February 26, 2026

Registered at PO BOX 741515, LOS ANGELES, CA 900741515 (Tel: 2062236980)

πŸ“
Updated Practice Location November 15, 2022

Registered at 7901 BROADWAY, ELMHURST, NY 113731329 (Tel: 7183344000)

πŸ“
Updated Business Mailing Address November 15, 2022

Registered at 7901 BROADWAY, ELMHURST, NY 113731329

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) November 15, 2022

Anesthesiology (license number reported to NPPES: NY 315855)

βœ…
NPI Profile Active April 02, 2018

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) April 02, 2018

Registered at 1 GUSTAVE L LEVY PL, NEW YORK, NY 100296504 (Tel: 2122416500)

πŸ“
Business Mailing Address (Initial Record) April 02, 2018

Registered at 1 GUSTAVE L LEVY PL, NEW YORK, NY 100296504 (Tel: 2122416500)

πŸ‘€
Provider Name / Credentials (Initial Record) April 02, 2018

Recorded as BENJAMIN HANCOCK, MD

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) April 02, 2018

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration April 02, 2018

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1649776378
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 02, 2018
Last Update: February 26, 2026
Sole Proprietor: No

Other Anesthesiology Specialists in Seattle

All Anesthesiology Specialists in Seattle

Mailing Address

Po Box 741515

Los Angeles, CA 900741515

Phone: 2062236980

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.