Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mr. William Hancock

Individual provider Certified Registered Nurse Anesthetist · NPI 1700196359

Mr. William Hancock is registered under Certified Registered Nurse Anesthetist (CRNA) in West Haven, Connecticut. Qualified in 2010, 16 years ago. Practices with Charter Anesthesiology LLC, a 35-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
16
Licensed in
CT
In the registry since
2010
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Practice location Address checks out

950 Campbell Ave
West Haven, CT 06516-2770 Not confirmed with CMS for 16 years — call before visiting
Phone: (203) 932-5711
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence E61228 (CT)

Record details

NPI number1700196359
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 18, 2010
Last updated in NPPESOctober 18, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Charter Anesthesiology Llc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients156
Services billed 159 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Charter Anesthesiology LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 35 clinicians in the practice; 12 are shown here.

Other providers in West Haven