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

Pulmonary Disease

Demondes Haynes, MD

Works at hospitals in Jackson, MS · Mississippi

Summary

Demondes Haynes, MD (Pulmonary Disease) is listed by Medicare at 1 hospital in Jackson, MS. NPI 1699716837. 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 Demondes Haynes, 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

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Mississippi School Of MedicineMedical school
MaleGender (as listed)
State of Mississippi - University of Mississippi Medical CenterGroup practice

Quick answers

Which hospitals does Demondes Haynes work at?
Medicare's official clinician data lists Demondes Haynes at 1 hospital: University of Mississippi Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Demondes Haynes see patients?
Medicare's clinician data lists 1 practice location in Jackson, MS. Call before your visit to confirm the address.
What is Demondes Haynes's specialty?
Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
Does Demondes Haynes accept Medicare assignment?
Yes. Medicare's clinician data says Demondes Haynes 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 Demondes Haynes?
(601) 898-4404, as listed in official Medicare / NPI Registry data.
What is Demondes Haynes's NPI number?
1699716837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Demondes Haynes works

Medicare's Facility Affiliation Data lists Demondes Haynes 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 Demondes Haynes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Demondes Haynes as a member of this group (CMS data updated 2026-10-02).

  • State of Mississippi - University of Mississippi Medical Center965 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Mississippi →

Other pulmonologists in Jackson

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

All pulmonologists in Jackson →

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699716837
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