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Family Practice

William T. Hancock, MD

Sees patients in Tamuning, GU · Guam

Summary

William T. Hancock, MD (Family Practice) is enrolled with Medicare at 2 practice locations in Tamuning, GU. NPI 1205175718. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William T. Hancock, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
May acceptAccepts Medicare assignment
23Years since medical school (graduated 2003)
MaleGender (as listed)

Quick answers

Where does William T. Hancock see patients?
Medicare's clinician data lists 2 practice locations, including Tamuning, GU. Call before your visit to confirm the address.
What is William T. Hancock's specialty?
Medicare lists Family Practice as the primary specialty.
Does William T. Hancock accept Medicare assignment?
Medicare's clinician data says William T. Hancock may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is William T. Hancock's NPI number?
1205175718. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where William T. Hancock is enrolled with Medicare (CMS data updated 2026-10-02).

  • 548 S Marine Corps DrTamuning, GU 96913
  • PO Box, Suite 6578Tamuning, GU 96931

Specialties

Find other Family Practice doctors in Guam →

Other family doctors in Tamuning

Clinicians with the same Medicare primary specialty in Tamuning, GU — not a recommendation.

All family doctors in Tamuning →

Clinician information

CredentialMD
Graduation year2003
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1205175718
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians