Dr. Ladislas Lazaro IV, MD
- Medicare services, 2024
- 60,407
- Medicare patients, 2024
- 587
- Part D claims, 2024
- 3,374
- Hospital affiliations
- 5
- Industry payments
- $340,915
- Practice address
- 913 S College Rd, Lafayette, LA 70503-3060
- Practice phone
- Call (337) 237-5008
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
L. Lazaro IV MD Rheumatology and Wellness
Physician office · Lafayette, Louisiana
Find Dr. Lazaro's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ladislas Lazaro IV is a rheumatologist in Lafayette, Louisiana
Dr. Lazaro practices at L. Lazaro IV MD Rheumatology and Wellness in Lafayette, Louisiana.
Dr. Lazaro's NPI, 1336137215, was assigned on October 13, 2005. Dr. Lazaro graduated from Louisiana State University School of Medicine in Shreveport in 1989. Dr. Lazaro holds Louisiana license 020490.
- NPI
- 1336137215NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729028519
- NPI enumeration date
- October 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 237-5008
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ladislas Lazaro IV practices at L. Lazaro IV MD Rheumatology and Wellness in Lafayette, Louisiana
Dr. Lazaro's primary practice is L. Lazaro IV MD Rheumatology and Wellness, at 913 S College Rd, Lafayette, LA 70503-3060. The practice phone is (337) 237-5008.
- L. Lazaro IV MD Rheumatology and Wellness913 S College Rd, Lafayette, LA 70503-3060Phone(337) 237-5008
Source: Dmand AI Affiliation Data
Dr. Ladislas Lazaro IV is affiliated with 7 sites of care
Dr. Lazaro's primary practice is L. Lazaro IV MD Rheumatology and Wellness in Lafayette, Louisiana. Dr. Lazaro is also affiliated with Ochsner Lafayette General Medical Center. Dmand AI also links Dr. Lazaro to 4 more hospitals and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ladislas Lazaro IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lazaro practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| L. Lazaro IV MD Rheumatology and Wellness | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ladislas Lazaro IV is one of 81 rheumatologists in Louisiana
Rheumatology is Dr. Lazaro's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Lazaro is licensed in Louisiana.
Specialties and state licenses
- Rheumatology, LouisianaPrimary
Rheumatologists near Dr. Lazaro
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ladislas Lazaro IV billed Medicare for 60,407 services in 2024
CMS data shows 60,407 Medicare services from Dr. Lazaro across 25 procedure codes in 2024, for 587 Medicare patients. Medicare paid $523,544 for them. Every service was in an office.
Dr. Lazaro's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 45,7962024: 57,09725%
- Office and hospital visits
- 2023: 1,6432024: 1,7949%
- Surgery
- 2023: 1,0242024: 1,1028%
- Tests and treatments
- 2023: 3792024: 3944%
- Imaging
- 2023: 282024: 2029%
- Other services
- 2023: 142024: 0100%
Dr. Lazaro compared with the Louisiana median for rheumatologists, 2024
- Dr. Lazaro
- Louisiana median
- Medicare services
- 60,407vs 67289.9 times
- Medicare patients
- 587vs 2242.6 times
- Part D claims
- 3,141vs 2,05853% above
Medians across 81 rheumatologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Lazaro's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lazaro and other rheumatologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ladislas Lazaro IV treated 587 Medicare patients in 2024, average age 73
CMS counts 587 Medicare patients who saw Dr. Lazaro in 2024. The largest group is 65 to 74, with 329 patients. 75% of them have arthritis, and 75% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lazaro's median patient age at 68, with 75% women.
Dr. Lazaro's Medicare patients by age, 2024
Dr. Lazaro's Medicare patients by sex, 2024
- Women45377%
- Men13423%
Chronic conditions among Dr. Lazaro's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis38%
- Ischemic heart disease31%
- Anxiety29%
- Diabetes28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lazaro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ladislas Lazaro IV wrote 3,374 Medicare Part D claims in 2024
In 2024, Dr. Lazaro wrote 3,374 Medicare Part D claims for 412 patients. 94% of them were for generic drugs. CMS names the drug for 3,141 of them, across 46 drugs with 11 or more claims each, at $689,063 in total drug cost. In 2023, CMS named 3,188 claims across 49 drugs.
Dr. Lazaro's Part D claims by kind of drug, 2024
- Generic3,179 claims94%
- Brand-name195 claims6%
Dr. Lazaro's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lazaro's Part D claims, 2024
- Opioids16%549 of 3,374 claims
- Antibiotics1%26 of 3,374 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,1882024: 3,1411%
Drugs named by CMS: 46 in 2024, 49 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ladislas Lazaro IV scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Lazaro for performance year 2024, reported individually. Dr. Lazaro accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lazaro's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ladislas Lazaro IV received $340,915 in industry payments from 2016 to 2025
CMS Open Payments shows 1,992 general payments to Dr. Lazaro from 45 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 73% of the total. Amgen Inc. paid the most, $287,582.
General payments to Dr. Lazaro by program year, 2016 to 2025
General payments to Dr. Lazaro by kind, 2016 to 2025
- Speaker and faculty fees$247,79473%
- Travel and lodging$47,89214%
- Food and beverage$36,04511%
- Honoraria$8,2002%
- Other$9840%
Companies that paid Dr. Lazaro the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ladislas Lazaro IV graduated from Louisiana State University School of Medicine in Shreveport
Dr. Lazaro graduated from Louisiana State University School of Medicine in Shreveport in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ladislas Lazaro IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ladislas Lazaro IV
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ladislas Lazaro IV's NPI number?
Dr. Ladislas Lazaro IV's NPI number is 1336137215. It was assigned on October 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ladislas Lazaro IV?
Dr. Ladislas Lazaro IV is a rheumatologist in Lafayette, Louisiana. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Ladislas Lazaro IV practice?
Dr. Lazaro practices at 913 S College Rd, Lafayette, LA 70503-3060. Dr. Lazaro's primary practice is L. Lazaro IV MD Rheumatology and Wellness in Lafayette, Louisiana. Dmand AI also links Dr. Lazaro to 4 hospitals and 1 home health agency.
What is Dr. Ladislas Lazaro IV's office phone number?
The practice phone on file for Dr. Lazaro is (337) 237-5008.
What is Dr. Ladislas Lazaro IV's medical license number?
Dr. Lazaro holds Louisiana license 020490.
Which hospitals is Dr. Ladislas Lazaro IV affiliated with?
Dr. Lazaro is affiliated with Ochsner Lafayette General Medical Center. Dmand AI links Dr. Lazaro to 4 more hospitals.
Does Dr. Ladislas Lazaro IV accept Medicare?
Yes. CMS data shows Dr. Lazaro billed Medicare for 60,407 services in 2024, and Dr. Lazaro accepts Medicare assignment.
What is Dr. Ladislas Lazaro IV's MIPS score?
Dr. Lazaro's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Ladislas Lazaro IV see?
CMS counts 587 Medicare patients who saw Dr. Lazaro in 2024, with an average age of 73.
What services does Dr. Ladislas Lazaro IV bill to Medicare?
In 2024, Dr. Lazaro's most billed Medicare services were injected or infused drug (J1602), injected or infused drug (J1010) and injected or infused drug (J2919).
Show 4 more questionsShow fewer questions
Where did Dr. Ladislas Lazaro IV go to medical school?
Dr. Lazaro graduated from Louisiana State University School of Medicine in Shreveport in 1989.
What drugs does Dr. Ladislas Lazaro IV prescribe most?
In 2024 Medicare Part D data, Dr. Lazaro's most prescribed drugs by claims were Tramadol HCl, Prednisone and Methotrexate.
Has Dr. Ladislas Lazaro IV received payments from drug or device companies?
CMS Open Payments shows $340,915 in general payments to Dr. Lazaro from 45 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Ladislas Lazaro IV been practicing?
Dr. Lazaro graduated from medical school in 1989, 37 years ago.
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