Dr. Louis Howard Nix, MD
- Medicare services, 2024
- 2,802
- Medicare patients, 2024
- 967
- Part D claims, 2024
- 10,140
- Hospital affiliations
- 2
- Industry payments
- $14,103
- Practice address
- 539 East Prudhomme Street, Opelousas, LA 70570
- Practice phone
- Call (337) 948-3011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nix's professional email, personal email and mobile number
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Dr. Louis Howard Nix is an internist in Opelousas, Louisiana
Dr. Nix practices at Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government.
Dr. Nix's NPI, 1306801576, was assigned on April 19, 2006. Dr. Nix graduated from Louisiana State University School of Medicine in New Orleans in 1980. Dr. Nix holds Louisiana license 015719.
- NPI
- 1306801576NPI Registry (opens in a new tab)
- NPI enumeration date
- April 19, 2006
- NPI status
- Active
- Practice phone
- (337) 948-3011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Louis Howard Nix practices at Opelousas General Health System in Opelousas, Louisiana
Dr. Nix's primary practice is Opelousas General Health System, at 539 East Prudhomme Street, Opelousas, LA 70570 in St. Landry Parish. The practice phone is (337) 948-3011.
- Opelousas General Health System539 East Prudhomme Street, Opelousas, LA 70570 · St. Landry ParishPhone(337) 948-3011
Source: Dmand AI Affiliation Data
Dr. Louis Howard Nix is affiliated with 5 sites of care and 3 medical groups
Dr. Nix's primary practice is Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government. The medical group on file is Opelousas General Health System. Dmand AI also links Dr. Nix to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Louis Howard Nix's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nix practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Opelousas General Health System | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across St Landry Parish Government and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Louis Howard Nix is one of 1,571 internists in Louisiana
Internal medicine is Dr. Nix's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nix is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Nix
Counts of internists 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. Louis Howard Nix billed Medicare for 2,802 services in 2024
CMS data shows 2,802 Medicare services from Dr. Nix across 22 procedure codes in 2024, for 967 Medicare patients. Medicare paid $121,266 for them.
Dr. Nix's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,6672024: 1,40547%
- Other services
- 2023: 3332024: 729119%
- Tests and treatments
- 2023: 6782024: 52722%
- Lab and pathology
- 2023: 1662024: 14115%
Where Dr. Nix's Medicare services took place, 2024
- In an office2,02972%
- In a facility77328%
Dr. Nix compared with the Louisiana median for internists, 2024
- Dr. Nix
- Louisiana median
- Medicare services
- 2,802vs 4216.7 times
- Medicare patients
- 967vs 1606.0 times
- Part D claims
- 9,433vs 40823.1 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Nix'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.
Need commercial claims for Dr. Nix?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nix and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis Howard Nix treated 967 Medicare patients in 2024, average age 75
CMS counts 967 Medicare patients who saw Dr. Nix in 2024. The largest group is 65 to 74, with 379 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nix's median patient age at 67, with 38% women.
Dr. Nix's Medicare patients by age, 2024
Dr. Nix's Medicare patients by sex, 2024
- Women54857%
- Men41943%
Chronic conditions among Dr. Nix's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease45%
- Diabetes43%
- Anxiety39%
- Mood disorders33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nix's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis Howard Nix wrote 10,140 Medicare Part D claims in 2024
In 2024, Dr. Nix wrote 10,140 Medicare Part D claims for 330 patients. 86% of them were for generic drugs. CMS names the drug for 9,433 of them, across 170 drugs with 11 or more claims each, at $512,539 in total drug cost. In 2023, CMS named 10,858 claims across 175 drugs.
Dr. Nix's Part D claims by kind of drug, 2024
- Generic8,749 claims86%
- Brand-name1,302 claims13%
- Other89 claims1%
Dr. Nix'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. Nix's Part D claims, 2024
- Opioids2%187 of 10,140 claims
- Antibiotics2%159 of 10,140 claims
- Antipsychotics, patients 65 and over2%191 of 10,140 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: 10,8582024: 9,43313%
Drugs named by CMS: 170 in 2024, 175 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
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Dr. Louis Howard Nix received $14,103 in industry payments from 2016 to 2024
CMS Open Payments shows 861 general payments to Dr. Nix from 49 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $3,494.
General payments to Dr. Nix by program year, 2016 to 2024
Companies that paid Dr. Nix the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Louis Howard Nix graduated from Louisiana State University School of Medicine in New Orleans
Dr. Nix graduated from Louisiana State University School of Medicine in New Orleans in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Louis Howard Nix'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 DataDmand AI Org Hierarchy 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) |
| 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. Louis Howard Nix
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. Louis Howard Nix's NPI number?
Dr. Louis Howard Nix's NPI number is 1306801576. It was assigned on April 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis Howard Nix?
Dr. Louis Howard Nix is an internist in Opelousas, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Louis Howard Nix practice?
Dr. Nix practices at 539 East Prudhomme Street, Opelousas, LA 70570. Dr. Nix's primary practice is Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government. Dmand AI also links Dr. Nix to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 rural health clinic.
What is Dr. Louis Howard Nix's office phone number?
The practice phone on file for Dr. Nix is (337) 948-3011.
What is Dr. Louis Howard Nix's medical license number?
Dr. Nix holds Louisiana license 015719.
Which hospitals is Dr. Louis Howard Nix affiliated with?
Dr. Nix practices at Opelousas General Health System in Opelousas, Louisiana. Dmand AI links Dr. Nix to 1 more hospital.
What medical group is Dr. Louis Howard Nix part of?
Dr. Nix is linked to Opelousas General Health System. Dmand AI links Dr. Nix to 2 more medical groups.
Does Dr. Louis Howard Nix accept Medicare?
Yes. CMS data shows Dr. Nix billed Medicare for 2,802 services in 2024.
How many Medicare patients does Dr. Louis Howard Nix see?
CMS counts 967 Medicare patients who saw Dr. Nix in 2024, with an average age of 75.
What services does Dr. Louis Howard Nix bill to Medicare?
In 2024, Dr. Nix's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and heart test or procedure (93010).
Show 4 more questionsShow fewer questions
Where did Dr. Louis Howard Nix go to medical school?
Dr. Nix graduated from Louisiana State University School of Medicine in New Orleans in 1980.
What drugs does Dr. Louis Howard Nix prescribe most?
In 2024 Medicare Part D data, Dr. Nix's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Pantoprazole Sodium.
Has Dr. Louis Howard Nix received payments from drug or device companies?
CMS Open Payments shows $14,103 in general payments to Dr. Nix from 49 companies from 2016 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Louis Howard Nix been practicing?
Dr. Nix graduated from medical school in 1980, 46 years ago.
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