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Clinical Psychologist

William Somerville

Sees patients in Ridgewood, NY · New York

Summary

William Somerville (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Ridgewood, NY. NPI 1891181368. Medicare data says the clinician accepts Medicare assignment. 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 Somerville, 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

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)

Quick answers

Where does William Somerville see patients?
Medicare's clinician data lists 1 practice location in Ridgewood, NY. Call before your visit to confirm the address.
What is William Somerville's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does William Somerville accept Medicare assignment?
Yes. Medicare's clinician data says William Somerville accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for William Somerville?
(718) 971-9731, as listed in official Medicare / NPI Registry data.
What is William Somerville's NPI number?
1891181368. 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 Somerville is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Psychologist, New York →

Other clinical psychologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All clinical psychologists in New York →

Clinician information

Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891181368
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