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Rheumatology

Ladislas Lazaro Iv, MD

Works at hospitals in New Iberia, LA · Lafayette, LA · Breaux Bridge, LA … · Louisiana

Summary

Dr. Ladislas Lazaro Iv, MD is a rheumatologist at 913 S College, Suite 110, Lafayette, LA 70503. Phone: (337) 237-5008. Accepts Medicare assignment. In 2024, Ladislas Lazaro Iv had 587 Original Medicare patients and 115,355 services. NPI 1336137215. 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 Ladislas Lazaro Iv, 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 Ladislas Lazaro Iv accept Medicare assignment?
Yes. Medicare's clinician data says Ladislas Lazaro Iv 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 Ladislas Lazaro Iv see?
In 2024, CMS data shows 587 Original Medicare patients and 115,355 services for Ladislas Lazaro Iv. This counts Original Medicare only and measures volume, not quality.
What is Ladislas Lazaro Iv's NPI number?
1336137215. 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 Ladislas Lazaro Iv, 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 patients587
Services billed to Medicare115,355
Different services or procedures42
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, golimumab, 1 mg, for intravenous use (J1602)33,846 services
  2. Injection, methylprednisolone acetate, 1 mg (J1010)17,891 services
  3. Injection, methylprednisolone sodium succinate, 5 mg (J2919)2,565 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,170 services
  5. Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)816 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%
  • Arthritis75%
  • Osteoporosis38%
  • Ischemic heart disease31%
  • Anxiety29%

Hospitals where Ladislas Lazaro Iv works

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

Specialties

Find other Rheumatology doctors in Louisiana →

Other rheumatologists in Lafayette

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

All rheumatologists in Lafayette →

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In Shreveport
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336137215
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