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Internal Medicine

William C. Denney, MD

Works at hospitals in Flowood, MS · Jackson, MS · Mississippi

Summary

William C. Denney, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Flowood, MS and Jackson, MS. NPI 1366888505. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William C. Denney, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of Mississippi School Of MedicineMedical school
MaleGender (as listed)
St. Dominic Medical Associates LLCGroup practice (+1 more)

Quick answers

Which hospitals does William C. Denney work at?
Medicare's official clinician data lists William C. Denney at 3 hospitals: Merit Health River Oaks, Mississippi Baptist Medical Center and St Dominic-Jackson Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William C. Denney see patients?
Medicare's clinician data lists 2 practice locations, including Jackson, MS. Call before your visit to confirm the address.
What is William C. Denney's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pulmonary Disease.
Does William C. Denney accept Medicare assignment?
Yes. Medicare's clinician data says William C. Denney 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 C. Denney?
(601) 200-4860, as listed in official Medicare / NPI Registry data.
What is William C. Denney's NPI number?
1366888505. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William C. Denney works

Medicare's Facility Affiliation Data lists William C. Denney at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

Medicare enrollment lists William C. Denney as a member of these groups (CMS data updated 2026-10-02).

  • St. Dominic Medical Associates LLC132 clinicians in the group
  • Jackson Pulmonary Associates, PA33 clinicians in the group

Specialties

Find other Internal Medicine doctors in Mississippi →

Other internal medicine doctors in Jackson

Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.

All internal medicine doctors in Jackson →

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366888505
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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