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Dr. David H. Johnson, MD

Internal Medicine (Internal Medicine Physician)

1401 Jefferson Hwy
New Orleans, LA 70121

Who else practices at this address →

Jefferson Parish includes primary care (18% of residents) shortage areas. About shortage areas

Call (504) 842-4747

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2016
Medicare patients seen, 2024
387

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2016Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Internal Medicine Physician primary
    LA license 349002
  • Family Medicine Physician
    FL license ME182688 · IN license 01097867A · MN license 80895 · PA license MD4651167 · VA license 0101287907

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Internal Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
387
Services billed
561
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes169161
Established patient office or other outpatient visit, 20-29 minutes142139
X-ray of chest, 2 views9796
Automated urinalysis test3939
New patient office or other outpatient visit, 30-44 minutes2222
Routine electrocardiogram (ecg) using at least 12 leads with tracing2120
X-ray of wrist, minimum of 3 views2020
X-ray of ribs on side of body, minimum of 3 views1818
X-ray of ankle, minimum of 3 views1414
X-ray of foot, minimum of 3 views1313

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Internal Medicine clinicians in New Orleans

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 9, 2026), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1598111882. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.