Dr. Matias Javier Nauts, DO

  • Lake Charles, LA
  • General surgeon
NPI1154616936PAC ID6507174364
Medicare services, 2024
116
Medicare patients, 2024
119
Part D claims, 2024
150
Hospital affiliations
4
Industry payments
$133,850
Practice address
524 Dr Michael Debakey Drive, Lake Charles, LA 70601
Practice phone
Call (337) 436-2511
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHRISTUS Ochsner St. Patrick Hospital

Hospital · Lake Charles, Louisiana

See all 8 affiliations

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Dr. Matias Javier Nauts is a general surgeon in Lake Charles, Louisiana

Dr. Nauts practices at CHRISTUS Ochsner St. Patrick Hospital in Lake Charles, Louisiana, part of CHRISTUS Health.

Dr. Nauts' NPI, 1154616936, was assigned on June 9, 2011. Dr. Nauts graduated from Lake Erie College of Osteopathic Medicine, Erie in 2010. Dr. Nauts holds Louisiana license DO.000459.

NPI and contact details
Medicare PAC ID
6507174364
NPI enumeration date
June 9, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(337) 436-2511
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Matias Javier Nauts practices at CHRISTUS Ochsner St. Patrick Hospital in Lake Charles, Louisiana

Dr. Nauts' primary practice is CHRISTUS Ochsner St. Patrick Hospital, at 524 Dr Michael Debakey Drive, Lake Charles, LA 70601 in Calcasieu Parish. The practice phone is (337) 436-2511.

Source: Dmand AI Affiliation Data

Dr. Matias Javier Nauts is affiliated with 6 sites of care and 2 medical groups

Dr. Nauts' primary practice is CHRISTUS Ochsner St. Patrick Hospital in Lake Charles, Louisiana, part of CHRISTUS Health. Dr. Nauts is also affiliated with Lake Charles Memorial Hospital. The medical group on file is Ochsner Health. Dmand AI also links Dr. Nauts to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Nauts

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Matias Javier Nauts' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nauts practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CHRISTUS Ochsner St. Patrick HospitalAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Matias Javier Nauts is one of 377 general surgeons in Louisiana

Surgery is Dr. Nauts' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nauts is licensed in Louisiana.

Specialties and state licenses

  • Surgery, LouisianaPrimaryLicense DO.000459 · taxonomy 208600000X

General surgeons near Dr. Nauts

Counts of general surgeons 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. Matias Javier Nauts billed Medicare for 116 services in 2024

CMS data shows 116 Medicare services from Dr. Nauts across 5 procedure codes in 2024, for 119 Medicare patients. Medicare paid $17,823 for them.

Medicare services, 2024116
Medicare patients119
Paid by Medicare$17,823
Procedure codes5

Dr. Nauts' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1322024: 8833%
Surgery
2023: 02024: 15
Other services
2023: 02024: 13

Where Dr. Nauts' Medicare services took place, 2024

  • In an office3934%
  • In a facility7766%

Dr. Nauts compared with the Louisiana median for general surgeons, 2024

  • Dr. Nauts
  • Louisiana median
Medicare services
116vs 14419% below
Medicare patients
119vs 1099% above
Part D claims
104vs 472.2 times

Medians across 364 general surgeons in Louisiana with Dmand AI profiles that report each measure.

Dr. Nauts' 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.

See all procedures by Dr. Nauts

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Matias Javier Nauts treated 119 Medicare patients in 2024, average age 71

CMS counts 119 Medicare patients who saw Dr. Nauts in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.85, 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. Nauts' median patient age at 55, with 52% women.

Medicare patients, 2024119
Average age71
Average risk score1.85
Also on Medicaid21%

Dr. Nauts' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nauts' Medicare patients by sex, 2024

  • Women5445%
  • Men6555%

Chronic conditions among Dr. Nauts' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease40%
  5. Anxiety39%
  6. Mood disorders38%
  7. Depression36%
  8. Diabetes33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nauts' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Matias Javier Nauts wrote 150 Medicare Part D claims in 2024

In 2024, Dr. Nauts wrote 150 Medicare Part D claims for 122 patients. 77% of them were for generic drugs. CMS names the drug for 104 of them, across 4 drugs with 11 or more claims each, at $2,880 in total drug cost. In 2023, CMS named 136 claims across 6 drugs.

Part D claims, 2024150
Drugs named by CMS4
Total drug cost$2,880
Part D patients122

Dr. Nauts' Part D claims by kind of drug, 2024

  • Generic115 claims77%
  • Brand-name35 claims23%

Dr. Nauts' 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. Nauts' Part D claims, 2024

  • Opioids33%49 of 150 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: 1362024: 10424%

Drugs named by CMS: 4 in 2024, 6 in 2023.

See all prescribing by Dr. Nauts

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. Matias Javier Nauts ranks in the 50th percentile for colonoscopy in Medicare

Dr. Nauts accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of colonoscopy by Dr. Nauts, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Nauts ranks in Medicare procedure volume

Colonoscopy
50th percentile23 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Matias Javier Nauts received $133,850 in industry payments from 2016 to 2025

CMS Open Payments shows 175 general payments to Dr. Nauts from 12 drug and device companies from 2016 to 2025. Education make up the largest share, 87% of the total. Intuitive Surgical, Inc. paid the most, $132,647.

General payments to Dr. Nauts by program year, 2016 to 2025

General payments to Dr. Nauts by kind, 2016 to 2025

$133.9Kin total
  • Education$117,05787%
  • Food and beverage$11,9509%
  • Travel and lodging$3,2592%
  • Speaker and faculty fees$1,5001%
  • Gifts$840%

Companies that paid Dr. Nauts the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nauts

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Matias Javier Nauts graduated from Lake Erie College of Osteopathic Medicine, Erie

Dr. Nauts graduated from Lake Erie College of Osteopathic Medicine, Erie in 2010.

  1. Medical schoolLake Erie College of Osteopathic Medicine, Erie

Source: Dmand AI Professional Profile Data

Sources for Dr. Matias Javier Nauts's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Matias Javier Nauts

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. Matias Javier Nauts' NPI number?

Dr. Matias Javier Nauts' NPI number is 1154616936. It was assigned on June 9, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Matias Javier Nauts?

Dr. Matias Javier Nauts is a general surgeon in Lake Charles, Louisiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Matias Javier Nauts practice?

Dr. Nauts practices at 524 Dr Michael Debakey Drive, Lake Charles, LA 70601. Dr. Nauts' primary practice is CHRISTUS Ochsner St. Patrick Hospital in Lake Charles, Louisiana, part of CHRISTUS Health. Dmand AI also links Dr. Nauts to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Matias Javier Nauts' office phone number?

The practice phone on file for Dr. Nauts is (337) 436-2511.

What is Dr. Matias Javier Nauts' medical license number?

Dr. Nauts holds Louisiana license DO.000459.

Which hospitals is Dr. Matias Javier Nauts affiliated with?

Dr. Nauts practices at CHRISTUS Ochsner St. Patrick Hospital in Lake Charles, Louisiana. Dr. Nauts is also affiliated with Lake Charles Memorial Hospital. Dmand AI links Dr. Nauts to 2 more hospitals.

What medical group is Dr. Matias Javier Nauts part of?

Dr. Nauts is linked to Ochsner Health. Dmand AI links Dr. Nauts to 1 more medical group.

Does Dr. Matias Javier Nauts accept Medicare?

Yes. CMS data shows Dr. Nauts billed Medicare for 116 services in 2024, and Dr. Nauts accepts Medicare assignment.

How many Medicare patients does Dr. Matias Javier Nauts see?

CMS counts 119 Medicare patients who saw Dr. Nauts in 2024, with an average age of 71.

What services does Dr. Matias Javier Nauts bill to Medicare?

In 2024, Dr. Nauts' most billed Medicare services were hospital inpatient care (99222), office visit, new patient (99204) and office visit, established patient (99214).

Show 4 more questionsShow fewer questions

Where did Dr. Matias Javier Nauts go to medical school?

Dr. Nauts graduated from Lake Erie College of Osteopathic Medicine, Erie in 2010.

What drugs does Dr. Matias Javier Nauts prescribe most?

In 2024 Medicare Part D data, Dr. Nauts' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Gavilyte-G and Peg-3350 And Electrolytes.

Has Dr. Matias Javier Nauts received payments from drug or device companies?

CMS Open Payments shows $133,850 in general payments to Dr. Nauts from 12 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Matias Javier Nauts been practicing?

Dr. Nauts graduated from medical school in 2010, 16 years ago.

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