CARTER VINCENT SCHWARTZ DO
NPI 1578050407
Internal Medicine - Nephrology in Natchitoches, LA

Q: What is Carter Schwartz's NPI number?

The NPI number for Carter Schwartz is 1578050407. It was assigned to this individual provider in the NPPES registry on April 17, 2018.

Q: What is Carter Schwartz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Carter Schwartz was last updated on September 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 17, 2018PECOS EnrolledAccepts Medicare Assignment

617 BIENVILLE ST STE A, NATCHITOCHES, LA 71457(318) 238-4604(318) 238-4605 Get Directions Write a Review

NPPES record last updated: September 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 21, 2025, Apr 18, 2024, Jun 5, 2023 and 2 more (5 updates tracked since 2018).

On this page

About Carter Vincent Schwartz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARTER VINCENT SCHWARTZ DO (NPI 1578050407) is an individual nephrology provider in Natchitoches, Louisiana, licensed in Louisiana (333745) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Natchitoches Regional Medical Center, and maintains a secondary practice location in Shreveport.

NPPES Registry Identity

NPI1578050407

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameCARTER VINCENT SCHWARTZCredential: DO

Location Address617 BIENVILLE ST STE ANatchitoches, LA 71457-5740

Mailing Address107a South DrNatchitoches, LA 71457-5039 · (318) 228-8127 · Fax (318) 228-8147

Phone(318) 238-4604

Fax(318) 238-4605

Sole ProprietorYes

Medical School CMSLake Erie College Of Osteopathic Medicine, BradentonGraduated 2018

Enumeration DateApril 17, 2018

Last NPPES UpdateSeptember 21, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 21, 2025

✔ NPI 1578050407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in LA · 333745

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

617 BIENVILLE ST STE A, Natchitoches, LA 71457

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Secondary Practice Location 1

Location 11800 Buckner St Ste C120Shreveport, LA 71101-4453 · Phone (318) 227-8899 · Fax (318) 698-0089

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carter Vincent Schwartz Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022415405

PECOS Enrollment IDI20230224002619, I20230613000500

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Carter Schwartz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Natchitoches Nephrology And Hypertension LLC

Same address

Nephrology

617 BIENVILLE ST STE A
Natchitoches, LA 71457

Reassigned Medicare billing, Louisiana enrollment

NPI 1437047032 (318) 238-4604

Christus Health Central Louisiana

24 mi

Critical Access Hospital

1633 MARVEL STREET
Coushatta, LA 71019

Reassigned Medicare billing, Louisiana enrollment
16 clinicians in this Medicare group

NPI 1871584722 (318) 932-2081

Northwest Louisiana Nephrology, LLC

65 mi

Nephrology

1800 BUCKNER ST, SUITE C120
Shreveport, LA 71101

Reassigned Medicare billing, Louisiana enrollment
27 clinicians in this Medicare group

NPI 1669416491 (318) 227-8899

Northeast Louisiana Physicians, LLC

67 mi

Internal Medicine

2531 VIKING DR
Bossier City, LA 71111

Reassigned Medicare billing, Louisiana enrollment
104 clinicians in this Medicare group

NPI 1407637671 (318) 681-7000

Hospitalist Medicine Physicians Of Texas, PLLC

178 mi

Internal Medicine

18951 N MEMORIAL DR
Humble, TX 77338

Reassigned Medicare billing, Louisiana enrollment
169 clinicians in this Medicare group

NPI 1629307095 (281) 540-7700

Cogent Healthcare Of Texas, PA

229 mi

Internal Medicine

8200 WALNUT HILL LN
Dallas, TX 75231

Reassigned Medicare billing, Louisiana enrollment
92 clinicians in this Medicare group

NPI 1992722953 (214) 345-7585

Mittal Kidney And Dialysis PC

300 mi

Nephrology

300 S WALNUT BEND RD STE 12
Cordova, TN 38018

Reassigned Medicare billing, Mississippi and Tennessee enrollments
7 clinicians in this Medicare group

NPI 1831201466 (901) 767-0101

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

831 services316 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

446 services174 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

240 services210 patients

Kidney function blood test panel 80069

A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.

226 services199 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

226 services199 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

181 services111 patients

Total protein level, urine 84156

The Total Protein Level in urine test measures the amount of protein present in your urine. This helps to check kidney health as high levels may indicate a problem. It's a simple, non-invasive procedure involving a urine sample.

173 services159 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

172 services159 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

158 services144 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

148 services73 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

122 services119 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

115 services53 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

93 services88 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

77 services74 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

76 services73 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

70 services70 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

35 services35 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

12 services12 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

12 services12 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Natchitoches Regional Medical Center

Acute Care Hospitals · Natchitoches, LA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190007

Location501 Keyser AveNatchitoches, LA 71457 · Natchitoches County

Emergency services Birthing friendly

Christus St Frances Cabrini Hospital

Acute Care Hospitals · Alexandria, LA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190019

Location3330 Masonic DriveAlexandria, LA 71301 · Rapides County

Emergency services Birthing friendly

Christus Shreveport-Bossier Health System

Acute Care Hospitals · Shreveport, LA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190041

Location1453 E Bert Kouns Industrial LoopShreveport, LA 71105 · Caddo County

Emergency services Birthing friendly

Willis Knighton Medical Center

Acute Care Hospitals · Shreveport, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190111

Location2600 Greenwood RoadShreveport, LA 71103 · Caddo County

Emergency services Birthing friendly

Sabine Medical Center

Acute Care Hospitals · Many, LA

OwnershipProprietary

CMS Certification Number190218

Location240 Highland DriveMany, LA 71449 · Sabine County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71457 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NATCHITOCHES NEPHROLOGY AND HYPERTENSION LLC

Internal Medicine (Nephrology)

617 BIENVILLE ST STE A
NATCHITOCHES, LA 71457

Natchitoches Parish (318) 238-4604

LINDSAY E LAPRARIE PA

Physician Assistant (Medical)

617 BIENVILLE ST STE A
NATCHITOCHES, LA 71457

Natchitoches Parish (318) 238-4604

SUHAIB FARAH MUFADI AL-SAWAJNEH M.D

Internal Medicine (Nephrology)

617 BIENVILLE ST STE A
NATCHITOCHES, LA 71457

Natchitoches Parish (318) 238-4604

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carter Schwartz's NPI number?

The NPI number for Carter Schwartz is 1578050407. It was assigned to this individual provider in the NPPES registry on April 17, 2018.

Where is Carter Schwartz located?

Carter Schwartz practices at 617 Bienville St Ste A, Natchitoches, LA 71457. The listed phone number is (318) 238-4604.

What is Carter Schwartz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Carter Schwartz enrolled in Medicare?

Yes. Carter Schwartz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carter Schwartz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carter Schwartz reassigns Medicare benefits to 7 organizations: Natchitoches Nephrology And Hypertension LLC (Natchitoches, LA), Christus Health Central Louisiana (Coushatta, LA), Northwest Louisiana Nephrology, LLC (Shreveport, LA), Northeast Louisiana Physicians, LLC (Bossier City, LA), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carter Schwartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carter Schwartz accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 1 other insurer list Carter Schwartz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Carter Schwartz affiliated with any hospitals?

According to CMS data, Carter Schwartz is affiliated with Natchitoches Regional Medical Center, Christus St Frances Cabrini Hospital, Christus Shreveport-Bossier Health System, Willis Knighton Medical Center and Sabine Medical Center.

When was this NPI record last updated?

The NPPES record for Carter Schwartz was last updated on September 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.