Carter Schwartz, DO
NPI 1578050407 · Nephrology Physician · Natchitoches, LA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carter Schwartz, DO is a Nephrology Physician provider in Natchitoches, LA (NPI 1578050407).
Provider details
- NPI number
- 1578050407
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 333745 (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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,456 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 | 831 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 446 | $111 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 240 | $5 |
| Kidney Function Blood Test Panel80069 | 226 | $8 |
| Magnesium Level83735 | 226 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 181 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nifedipinebrand: Nifedipine Er | 48 | 24 |
| Semaglutidebrand: Rybelsus | 37 | 16 |
| Losartan Potassium | 37 | 16 |
| Sevelamer Carbonate | 33 | 14 |
| Empagliflozinbrand: Jardiance | 28 | 11 |
| Semaglutidebrand: Ozempic | 22 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,589 across 67 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
Additional practice locations (1)
- 1800 Buckner St Ste C120Shreveport, LA 71101-4453Phone: (318) 227-8899Fax: (318) 698-0089
Registry dates
- Enumerated
- 2018-04-17
- Last updated
- 2025-09-21
- Certified
- 2025-09-21
Frequently asked questions
- What is Carter Schwartz's NPI number?
- Carter Schwartz's National Provider Identifier (NPI) is 1578050407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carter Schwartz's specialty?
- Carter Schwartz is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Carter Schwartz located?
- Carter Schwartz's practice location on file with NPPES is 617 Bienville St Ste a, Natchitoches, LA 71457-5740.
- What is Carter Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Carter Schwartz is (318) 238-4604.
- Does Carter Schwartz accept Medicare?
- Carter Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carter Schwartz's NPI active?
- Yes — Carter Schwartz's NPI (1578050407) is active in the NPPES registry as of the last update on 2025-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.