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Internal Medicine

Alain L. Chesnut, MD

Works at hospitals in Raceland, LA · Houma, LA · Thibodaux, LA · Louisiana

Summary

Dr. Alain L. Chesnut, MD is an internal medicine doctor at 8120 Main St, Suite 403, Houma, LA 70360. Phone: (985) 868-9960. Accepts Medicare assignment. In 2024, Alain L. Chesnut had 300 Original Medicare patients and 1,281 services. NPI 1548521693. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Alain L. Chesnut, 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 Alain L. Chesnut accept Medicare assignment?
Yes. Medicare's clinician data says Alain L. Chesnut 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 Alain L. Chesnut see?
In 2024, CMS data shows 300 Original Medicare patients and 1,281 services for Alain L. Chesnut. This counts Original Medicare only and measures volume, not quality.
What is Alain L. Chesnut's NPI number?
1548521693. 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 Alain L. Chesnut, 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 patients300
Services billed to Medicare1,281
Different services or procedures27
Participating Medicare providerYes
Average age of these patients74

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)562 services
  2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)170 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)140 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)58 services
  5. Advance care planning, first 30 minutes (99497)56 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 cholesterol73%
  • Ischemic heart disease46%
  • Arthritis39%
  • Diabetes37%
  • Anxiety29%

Hospitals where Alain L. Chesnut works

Medicare's Facility Affiliation Data lists Alain L. Chesnut at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Alain L. Chesnut is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alain L. Chesnut as a member of this group (CMS data updated October 2, 2026).

  • Physician Practice Partners80 clinicians in the group

Specialties

Find other Internal Medicine doctors in Louisiana →

Other internal medicine doctors in Houma

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

All internal medicine doctors in Houma →

Other clinicians in Physician Practice Partners

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

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548521693
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians