Arnold Barz, MD
NPI 1710972559 · Nephrology Physician · Shreveport, LA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnold Barz, MD is a Nephrology Physician provider in Shreveport, LA (NPI 1710972559).
Provider details
- NPI number
- 1710972559
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 024080 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,671 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,291 | $74 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 378 | $5 |
| Magnesium Level83735 | 364 | $7 |
| Kidney Function Blood Test Panel80069 | 362 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 300 | $118 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 296 | $330 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydralazine Hcl | 122 | 33 |
| Sevelamer Carbonate | 86 | 34 |
| Nifedipinebrand: Nifedipine Er | 64 | 17 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 53 | 15 |
| Amlodipine Besylate | 51 | 17 |
| Calcitriol | 44 | 12 |
| Bumetanide | 42 | 17 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,308 across 69 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-19
- Last updated
- 2010-07-01
Frequently asked questions
- What is Arnold Barz's NPI number?
- Arnold Barz's National Provider Identifier (NPI) is 1710972559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Barz's specialty?
- Arnold Barz is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Arnold Barz located?
- Arnold Barz's practice location on file with NPPES is 1800 Buckner St, Shreveport, LA 71101-4440.
- What is Arnold Barz's phone number?
- The practice phone number listed in the NPPES registry for Arnold Barz is (318) 227-8899.
- Does Arnold Barz accept Medicare?
- Arnold Barz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnold Barz's NPI active?
- Yes — Arnold Barz's NPI (1710972559) is active in the NPPES registry as of the last update on 2010-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.