Dr. Arnold E. Barz, MD

  • Shreveport, LA
  • Nephrologist
NPI1710972559PAC ID5193731321
Medicare services, 2024
4,671
Medicare patients, 2024
903
Part D claims, 2024
1,016
MIPS score, 2024
88
Hospital affiliations
5
Practice address
1800 Buckner St, Shreveport, LA 71101
Practice phone
Call (318) 746-4818
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Medical Care North Bossier

Shreveport, Louisiana

See all 11 affiliations

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Dr. Arnold E. Barz is a nephrologist in Shreveport, Louisiana

Dr. Barz practices at Fresenius Medical Care North Bossier in Shreveport, Louisiana.

Dr. Barz's NPI, 1710972559, was assigned on September 19, 2005. Dr. Barz graduated from Louisiana State University School of Medicine in Shreveport in 1997. Dr. Barz holds Louisiana license 024080.

NPI and contact details
Medicare PAC ID
5193731321
NPI enumeration date
September 19, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(318) 746-4818
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. Arnold E. Barz practices at Fresenius Medical Care North Bossier in Shreveport, Louisiana

Dr. Barz's primary practice is Fresenius Medical Care North Bossier, at 1800 Buckner St, Shreveport, LA 71101 in Caddo Parish. The practice phone is (318) 746-4818.

  • Fresenius Medical Care North Bossier
    1800 Buckner St, Shreveport, LA 71101 · Caddo ParishPhone(318) 746-4818

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Arnold E. Barz is affiliated with 10 sites of care and 1 medical group

Dr. Barz's primary practice is Fresenius Medical Care North Bossier in Shreveport, Louisiana. Dr. Barz is also affiliated with Willis Knighton North. The medical group on file is Northwest Louisiana Nephrology. Dmand AI also links Dr. Barz to 4 more hospitals, 3 dialysis centers and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Barz

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Arnold E. Barz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barz practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Medical Care North BossierAvailable with a free account
+9 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Arnold E. Barz is one of 196 nephrologists in Louisiana

Nephrology is Dr. Barz's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Barz is licensed in Louisiana.

Specialties and state licenses

  • Nephrology, LouisianaPrimaryLicense 024080 · taxonomy 207RN0300X

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, hypercalcemia and parathyroid gland disorder among the conditions Dr. Barz treats.

Nephrologists near Dr. Barz

Counts of nephrologists 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. Arnold E. Barz billed Medicare for 4,671 services in 2024

CMS data shows 4,671 Medicare services from Dr. Barz across 20 procedure codes in 2024, for 903 Medicare patients. Medicare paid $269,231 for them.

Medicare services, 20244,671
Medicare patients903
Paid by Medicare$269,231
Procedure codes20

Dr. Barz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 2,6362024: 2,00824%
Office and hospital visits
2023: 1,9072024: 1,7767%
Tests and treatments
2023: 5942024: 50914%
Surgery
2023: 5102024: 37826%
Other services
2023: 1,2802024: 0100%

Where Dr. Barz's Medicare services took place, 2024

  • In an office3,21969%
  • In a facility1,45231%

Dr. Barz compared with the Louisiana median for nephrologists, 2024

  • Dr. Barz
  • Louisiana median
Medicare services
4,671vs 6167.6 times
Medicare patients
903vs 2124.3 times
Part D claims
776vs 769Close to median

Medians across 192 nephrologists in Louisiana with Dmand AI profiles that report each measure.

Dr. Barz'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.

See all procedures by Dr. Barz

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

Dr. Arnold E. Barz treated 903 Medicare patients in 2024, average age 73

CMS counts 903 Medicare patients who saw Dr. Barz in 2024. The largest group is 65 to 74, with 341 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 3.90, 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. Barz's median patient age at 71, with 49% women.

Medicare patients, 2024903
Average age73
Average risk score3.90
Also on Medicaid23%

Dr. Barz's Medicare patients by age, 2024

Dr. Barz's Medicare patients by sex, 2024

  • Women41846%
  • Men48554%

Chronic conditions among Dr. Barz's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes61%
  5. Arthritis56%
  6. Ischemic heart disease54%
  7. Heart failure47%
  8. Atrial fibrillation33%

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

Dr. Barz'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

  • Women49%
  • Men48%

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

Dr. Arnold E. Barz wrote 1,016 Medicare Part D claims in 2024

In 2024, Dr. Barz wrote 1,016 Medicare Part D claims for 193 patients. 88% of them were for generic drugs. CMS names the drug for 776 of them, across 22 drugs with 11 or more claims each, at $187,621 in total drug cost. In 2023, CMS named 918 claims across 27 drugs.

Part D claims, 20241,016
Drugs named by CMS22
Total drug cost$187,621
Part D patients193

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

  • Generic891 claims88%
  • Brand-name125 claims12%

Dr. Barz'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9182024: 77615%

Drugs named by CMS: 22 in 2024, 27 in 2023.

See all prescribing by Dr. Barz

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. Arnold E. Barz scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Barz for performance year 2024, reported as part of a group. Dr. Barz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Barz's MIPS scores, performance year 2024

  • 88of 100Final score
  • 66.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Arnold E. Barz received $8,673 in industry payments from 2016 to 2025

CMS Open Payments shows 453 general payments to Dr. Barz from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Fresenius USA Marketing, Inc. paid the most, $1,708.

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

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

$8.7Kin total
  • Food and beverage$8,24395%
  • Education$4305%

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

Share is of all general payments to this clinician.

See all payments to Dr. Barz

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

Dr. Arnold E. Barz graduated from Louisiana State University School of Medicine in Shreveport

Dr. Barz graduated from Louisiana State University School of Medicine in Shreveport in 1997.

  1. Medical schoolLouisiana State University School of Medicine in Shreveport

Source: Dmand AI Professional Profile Data

Dr. Arnold E. Barz accepts plans from 17 insurance carriers

Dr. Barz is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +9 more carriersWith a free account

Plan types Dr. Barz accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO7
  4. POS6
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Arnold E. Barz'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Arnold E. Barz

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. Arnold E. Barz's NPI number?

Dr. Arnold E. Barz's NPI number is 1710972559. It was assigned on September 19, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Arnold E. Barz?

Dr. Arnold E. Barz is a nephrologist in Shreveport, Louisiana. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Arnold E. Barz practice?

Dr. Barz practices at 1800 Buckner St, Shreveport, LA 71101. Dr. Barz's primary practice is Fresenius Medical Care North Bossier in Shreveport, Louisiana. Dmand AI also links Dr. Barz to 4 hospitals, 3 dialysis centers and 1 group practice or clinic.

What is Dr. Arnold E. Barz's office phone number?

The practice phone on file for Dr. Barz is (318) 746-4818.

What is Dr. Arnold E. Barz's medical license number?

Dr. Barz holds Louisiana license 024080.

Which hospitals is Dr. Arnold E. Barz affiliated with?

Dr. Barz is affiliated with Willis Knighton North. Dmand AI links Dr. Barz to 4 more hospitals.

What medical group is Dr. Arnold E. Barz part of?

Dr. Barz is linked to Northwest Louisiana Nephrology.

Does Dr. Arnold E. Barz accept Medicare?

Yes. CMS data shows Dr. Barz billed Medicare for 4,671 services in 2024, and Dr. Barz accepts Medicare assignment.

What is Dr. Arnold E. Barz's MIPS score?

Dr. Barz's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Arnold E. Barz see?

CMS counts 903 Medicare patients who saw Dr. Barz in 2024, with an average age of 73.

Show 6 more questionsShow fewer questions

What services does Dr. Arnold E. Barz bill to Medicare?

In 2024, Dr. Barz's most billed Medicare services were hospital inpatient care (99232), surgery: heart and blood vessels (36415) and lab and pathology test (83735).

Where did Dr. Arnold E. Barz go to medical school?

Dr. Barz graduated from Louisiana State University School of Medicine in Shreveport in 1997.

What drugs does Dr. Arnold E. Barz prescribe most?

In 2024 Medicare Part D data, Dr. Barz's most prescribed drugs by claims were Hydralazine HCl, Sevelamer Carbonate and Nifedipine ER.

Has Dr. Arnold E. Barz received payments from drug or device companies?

CMS Open Payments shows $8,673 in general payments to Dr. Barz from 34 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.

How long has Dr. Arnold E. Barz been practicing?

Dr. Barz graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Arnold E. Barz accept?

Dr. Barz is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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