Quick answers
- Which hospitals does David N. Hayes work at?
- Medicare's official clinician data lists David N. Hayes at 2 hospitals: Methodist Hospitals of Memphis and Regional One Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David N. Hayes see patients?
- Medicare's clinician data lists 1 practice location in Memphis, TN. Call before your visit to confirm the address.
- What is David N. Hayes's specialty?
- Medicare lists Medical Oncology as the primary specialty.
- Does David N. Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says David N. Hayes 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 David N. Hayes?
- (901) 545-8999, as listed in official Medicare / NPI Registry data.
- What is David N. Hayes's NPI number?
- 1558436337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David N. Hayes works
Medicare's Facility Affiliation Data lists David N. Hayes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · CCN 440049
- Regional One HealthMemphis, TN · Acute Care Hospital · CCN 440152
Practice locations
Addresses where David N. Hayes is enrolled with Medicare (CMS data updated 2026-10-02).
- 890 Madison AveMemphis, TN 38103 (901) 545‑8999
Group practices
Medicare enrollment lists David N. Hayes as a member of this group (CMS data updated 2026-10-02).
- UT Regional One Physicians Inc324 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Memphis
Clinicians with the same Medicare primary specialty in Memphis, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558436337 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians