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

Cardiovascular Disease (Cardiology)

Caroline Zahm, MD

Works at hospitals in Lafayette, LA · Louisiana

Summary

Dr. Caroline Zahm, MD is a cardiologist at 1214 Coolidge Blvd, Lafayette, LA 70503. Phone: (337) 289-7991. Accepts Medicare assignment. In 2024, Caroline Zahm had 506 Original Medicare patients and 863 services. NPI 1033593827. 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 Caroline Zahm, 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 Caroline Zahm accept Medicare assignment?
Yes. Medicare's clinician data says Caroline Zahm 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 Caroline Zahm see?
In 2024, CMS data shows 506 Original Medicare patients and 863 services for Caroline Zahm. This counts Original Medicare only and measures volume, not quality.
What is Caroline Zahm's NPI number?
1033593827. 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 Caroline Zahm, 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 patients506
Services billed to Medicare863
Different services or procedures32
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)354 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)128 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)78 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)59 services
  5. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)46 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%
  • Ischemic heart disease54%
  • Chronic kidney disease45%
  • Diabetes43%
  • Heart failure43%

Hospitals where Caroline Zahm works

Medicare's Facility Affiliation Data lists Caroline Zahm 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 Caroline Zahm is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Caroline Zahm as a member of these groups (CMS data updated October 2, 2026).

  • Lsuhn Billing LLC206 clinicians in the group
  • Cardiovascular Institute of the South, LLC146 clinicians in the group
  • Lafayette General Medical Center Inc81 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Louisiana →

Other cardiologists in Lafayette

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

All cardiologists in Lafayette →

Other clinicians in Lsuhn Billing LLC

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)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033593827
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