Dr. Marcellus Ellis Lahaye, MD
- Medicare services, 2024
- 4,776
- Medicare patients, 2024
- 845
- Part D claims, 2024
- 5,855
- MIPS score, 2024
- 93
- Hospital affiliations
- 5
- Practice address
- 120 Rue Louis Xiv, Lafayette, LA 70508
- Practice phone
- Call (337) 769-7779
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern Urology
Lafayette, Louisiana
Find Dr. Lahaye's professional email, personal email and mobile number
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Dr. Marcellus Ellis Lahaye is a urologist in Lafayette, Louisiana
Dr. Lahaye practices at Southern Urology in Lafayette, Louisiana.
Dr. Lahaye's NPI, 1073584744, was assigned on January 30, 2006. Dr. Lahaye graduated from Louisiana State University School of Medicine in Shreveport in 1989. Dr. Lahaye holds Louisiana license 20487.
- NPI
- 1073584744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092710871
- NPI enumeration date
- January 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 769-7779
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marcellus Ellis Lahaye practices at Southern Urology in Lafayette, Louisiana
Dr. Lahaye's primary practice is Southern Urology, at 120 Rue Louis Xiv, Lafayette, LA 70508 in Lafayette Parish. The practice phone is (337) 769-7779.
- Southern Urology120 Rue Louis Xiv, Lafayette, LA 70508 · Lafayette ParishPhone(337) 769-7779
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marcellus Ellis Lahaye is affiliated with 7 sites of care and 1 medical group
Dr. Lahaye's primary practice is Southern Urology in Lafayette, Louisiana. Dr. Lahaye is also affiliated with Opelousas General Health System. The medical group on file is Southern Urology. Dmand AI also links Dr. Lahaye to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marcellus Ellis Lahaye's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lahaye practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern Urology | 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. Marcellus Ellis Lahaye is one of 179 urologists in Louisiana
Urology is Dr. Lahaye's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Lahaye is licensed in Louisiana.
Specialties and state licenses
- Urology, LouisianaPrimary
Urologists near Dr. Lahaye
Counts of urologists 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. Marcellus Ellis Lahaye billed Medicare for 4,776 services in 2024
CMS data shows 4,776 Medicare services from Dr. Lahaye across 20 procedure codes in 2024, for 845 Medicare patients. Medicare paid $181,431 for them.
Dr. Lahaye's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8902024: 1,8661%
- Lab and pathology
- 2023: 1,4852024: 1,6048%
- Other services
- 2023: 02024: 910
- Surgery
- 2023: 4212024: 33520%
- Imaging
- 2023: 1502024: 6159%
- Drugs given in the office
- 2023: 1142024: 0100%
- Tests and treatments
- 2023: 202024: 0100%
Where Dr. Lahaye's Medicare services took place, 2024
- In an office4,73499%
- In a facility421%
Dr. Lahaye compared with the Louisiana median for urologists, 2024
- Dr. Lahaye
- Louisiana median
- Medicare services
- 4,776vs 9565.0 times
- Medicare patients
- 845vs 3062.8 times
- Part D claims
- 5,771vs 1,1215.1 times
Medians across 182 urologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Lahaye'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. Lahaye and other urologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marcellus Ellis Lahaye treated 845 Medicare patients in 2024, average age 74
CMS counts 845 Medicare patients who saw Dr. Lahaye in 2024. The largest group is 65 to 74, with 379 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lahaye's median patient age at 71, with 23% women.
Dr. Lahaye's Medicare patients by age, 2024
Dr. Lahaye's Medicare patients by sex, 2024
- Women20925%
- Men63675%
Chronic conditions among Dr. Lahaye's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease37%
- Diabetes36%
- Anxiety33%
- Mood disorders30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lahaye's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women23%
- Men77%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marcellus Ellis Lahaye wrote 5,855 Medicare Part D claims in 2024
In 2024, Dr. Lahaye wrote 5,855 Medicare Part D claims for 799 patients. 90% of them were for generic drugs. CMS names the drug for 5,771 of them, across 33 drugs with 11 or more claims each, at $301,347 in total drug cost. In 2023, CMS named 5,359 claims across 32 drugs.
Dr. Lahaye's Part D claims by kind of drug, 2024
- Generic5,294 claims90%
- Brand-name561 claims10%
Dr. Lahaye'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. Lahaye's Part D claims, 2024
- Antibiotics20%1,150 of 5,855 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: 5,3592024: 5,7718%
Drugs named by CMS: 33 in 2024, 32 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. Marcellus Ellis Lahaye scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Lahaye for performance year 2024, reported as part of a group. Dr. Lahaye accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lahaye's MIPS scores, performance year 2024
- 93of 100Final score
- 92of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Prostate resection: 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. Marcellus Ellis Lahaye received $4,113 in industry payments from 2016 to 2025
CMS Open Payments shows 230 general payments to Dr. Lahaye from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Sumitomo Pharma America, Inc. paid the most, $642.
General payments to Dr. Lahaye by program year, 2016 to 2025
General payments to Dr. Lahaye by kind, 2016 to 2025
- Food and beverage$3,53786%
- Education$43511%
- Travel and lodging$1423%
Companies that paid Dr. Lahaye 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. Marcellus Ellis Lahaye graduated from Louisiana State University School of Medicine in Shreveport
Dr. Lahaye graduated from Louisiana State University School of Medicine in Shreveport in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marcellus Ellis Lahaye'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Marcellus Ellis Lahaye
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. Marcellus Ellis Lahaye's NPI number?
Dr. Marcellus Ellis Lahaye's NPI number is 1073584744. It was assigned on January 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcellus Ellis Lahaye?
Dr. Marcellus Ellis Lahaye is a urologist in Lafayette, Louisiana. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Marcellus Ellis Lahaye practice?
Dr. Lahaye practices at 120 Rue Louis Xiv, Lafayette, LA 70508. Dr. Lahaye's primary practice is Southern Urology in Lafayette, Louisiana. Dmand AI also links Dr. Lahaye to 4 hospitals and 1 group practice or clinic.
What is Dr. Marcellus Ellis Lahaye's office phone number?
The practice phone on file for Dr. Lahaye is (337) 769-7779.
What is Dr. Marcellus Ellis Lahaye's medical license number?
Dr. Lahaye holds Louisiana license 20487.
Which hospitals is Dr. Marcellus Ellis Lahaye affiliated with?
Dr. Lahaye is affiliated with Opelousas General Health System. Dmand AI links Dr. Lahaye to 4 more hospitals.
What medical group is Dr. Marcellus Ellis Lahaye part of?
Dr. Lahaye is linked to Southern Urology.
Does Dr. Marcellus Ellis Lahaye accept Medicare?
Yes. CMS data shows Dr. Lahaye billed Medicare for 4,776 services in 2024, and Dr. Lahaye accepts Medicare assignment.
What is Dr. Marcellus Ellis Lahaye's MIPS score?
Dr. Lahaye's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Marcellus Ellis Lahaye see?
CMS counts 845 Medicare patients who saw Dr. Lahaye in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Marcellus Ellis Lahaye bill to Medicare?
In 2024, Dr. Lahaye's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and lab and pathology test (81003).
Where did Dr. Marcellus Ellis Lahaye go to medical school?
Dr. Lahaye graduated from Louisiana State University School of Medicine in Shreveport in 1989.
What drugs does Dr. Marcellus Ellis Lahaye prescribe most?
In 2024 Medicare Part D data, Dr. Lahaye's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Nitrofurantoin.
Has Dr. Marcellus Ellis Lahaye received payments from drug or device companies?
CMS Open Payments shows $4,113 in general payments to Dr. Lahaye from 45 companies from 2016 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Dr. Marcellus Ellis Lahaye been practicing?
Dr. Lahaye graduated from medical school in 1989, 37 years ago.
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