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Family Practice

John Dewaard, DO

Works at hospitals in Baton Rouge, LA · Louisiana

Summary

John Dewaard, DO (Family Practice) is listed by Medicare at 1 hospital in Baton Rouge, LA. NPI 1629647805. 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 John Dewaard, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Ochsner Clinic LLCGroup practice

Quick answers

Which hospitals does John Dewaard work at?
Medicare's official clinician data lists John Dewaard at 1 hospital: Ochsner Medical Center - Baton Rouge. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Dewaard see patients?
Medicare's clinician data lists 1 practice location in Baton Rouge, LA. Call before your visit to confirm the address.
What is John Dewaard's specialty?
Medicare lists Family Practice as the primary specialty.
Does John Dewaard accept Medicare assignment?
Yes. Medicare's clinician data says John Dewaard 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 John Dewaard?
(225) 761-5200, as listed in official Medicare / NPI Registry data.
What is John Dewaard's NPI number?
1629647805. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Dewaard works

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

Group practices

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

  • Ochsner Clinic LLC2,864 clinicians in the group

Specialties

Find other Family Practice doctors in Louisiana →

Other family doctors in Baton Rouge

Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.

All family doctors in Baton Rouge →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629647805
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