Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Psychiatry

William R. Cannon, MD

Sees patients in Raleigh, NC · North Carolina

Summary

Dr. William R. Cannon, MD is a psychiatrist at 2501 Atrium Dr, Suite 250, Raleigh, NC 27607. Phone: (919) 845-1555. May accept Medicare assignment. In 2024, William R. Cannon had 17 Original Medicare patients and 612 services. NPI 1164764759. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 2501 Atrium Dr, Suite 250, Raleigh, NC 27607 · Directions
  • Phone: (919) 845‑1555
  • Medicare: May accept Medicare assignment
  • Group practice: Triangle Psychiatric Services PA
  • Medical school: Eastern Virginia Medical School · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about William R. Cannon, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does William R. Cannon accept Medicare assignment?
Medicare's clinician data says William R. Cannon may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does William R. Cannon see?
In 2024, CMS data shows 17 Original Medicare patients and 612 services for William R. Cannon. This counts Original Medicare only and measures volume, not quality.
What is William R. Cannon's NPI number?
1164764759. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for William R. Cannon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare612
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)206 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)123 services
  3. Psychotherapy with evaluation and management visit, 30 minutes (90833)119 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Depression75%
  • Anxiety75%
  • High cholesterol71%

Practice locations

Addresses where William R. Cannon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William R. Cannon as a member of this group (CMS data updated October 2, 2026).

  • Triangle Psychiatric Services PA3 clinicians in the group

Specialties

Find other Psychiatry doctors in North Carolina →

Other psychiatrists in Raleigh

Clinicians with the same Medicare primary specialty in Raleigh, NC — not a recommendation.

All psychiatrists in Raleigh →

Other clinicians in Triangle Psychiatric Services PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1164764759
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians