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Emergency Medicine

Charles J. Haase, MD

Sees patients in Prairieville, LA · Louisiana

Summary

Dr. Charles J. Haase, MD is an emergency medicine doctor at 14350 Hwy 73, Prairieville, LA 70769. Phone: (225) 313-3930. Accepts Medicare assignment. In 2024, Charles J. Haase had 100 Original Medicare patients and 209 services. NPI 1619310828. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 14350 Hwy 73, Prairieville, LA 70769 · Directions
  • Phone: (225) 313‑3930
  • Medicare: Accepts Medicare assignment
  • Group practice: Lake Urgent Care Ascension LLC
  • Medical school: Louisiana State University School Of Medicine In New Orleans · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Charles J. Haase, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Charles J. Haase accept Medicare assignment?
Yes. Medicare's clinician data says Charles J. Haase accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Charles J. Haase see?
In 2024, CMS data shows 100 Original Medicare patients and 209 services for Charles J. Haase. This counts Original Medicare only and measures volume, not quality.
What is Charles J. Haase's NPI number?
1619310828. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Charles J. Haase, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients100
Services billed to Medicare209
Different services or procedures27
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
  2. Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)36 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
  4. Detection test by immunoassay with direct visual observation for influenza virus (87804)26 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis51%
  • Diabetes28%
  • Depression25%
  • Anxiety25%

Practice locations

Addresses where Charles J. Haase is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Charles J. Haase as a member of this group (CMS data updated October 2, 2026).

  • Lake Urgent Care Ascension LLC22 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Louisiana →

Other emergency medicine doctors in Prairieville

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

All emergency medicine doctors in Prairieville →

Other clinicians in Lake Urgent Care Ascension LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In New Orleans
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619310828
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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