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MARSHALL J. BYUN-ANDERSEN MD
NPI 1265994032
Emergency Medicine in Shreveport, LA

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
1541 KINGS HIGHWAY, FAMILY MEDICINE, SHREVEPORT, LA 71130(318) 626-0014 Get Directions Write a Review

NPPES record last updated: January 10, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 10, 2023, Sep 16, 2022, Apr 2, 2019 (3 updates tracked since 2019).

About Marshall J. Byun-andersen Md NPPES

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

MARSHALL J. BYUN-ANDERSEN MD (NPI 1265994032) is an individual emergency medicine provider in Shreveport, Louisiana, licensed in Louisiana (330641) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Christus Shreveport-bossier Health System, and maintains a secondary practice location in Vivian.

NPPES Registry Identity

NPI1265994032
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARSHALL J. BYUN-ANDERSENCredential: MD
Location Address1541 KINGS HIGHWAY, FAMILY MEDICINEShreveport, LA 71130-3932
Mailing Address1541 Kings Highway, Family MedicineShreveport, LA 71130-3932 · (318) 626-0014
Phone(318) 626-0014
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateApril 2, 2019
Last NPPES UpdateJanuary 10, 20233 updates tracked since enumeration
NPPES CertifiedDecember 8, 2022
✔ NPI 1265994032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in LA · 330641
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 330641 (LA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1541 KINGS HIGHWAY, Shreveport, LA 71130
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Secondary Practice Location 1

Location 1815 S Pine StVivian, LA 71082-3314 · Phone (318) 375-3235

Other Identifiers 1

Medicaid2497995LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan, HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marshall J. Byun-andersen Md 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 ID1254660350
PECOS Enrollment IDI20220603000228
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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
128 services126 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
99 services96 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
29 services29 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
21 services21 patients

Hospital Affiliations CMS Care Compare 3

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

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

Citizens Medical Center

Acute Care Hospitals · Columbia, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190184
Location7939 U S Hwy 165 SouthColumbia, LA 71418 · Caldwell County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71130 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
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
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 7

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

KENNETH J ULICNY MD
Anesthesiology
1541 KINGS HIGHWAY, ANESTHESIOLOGY
SHREVEPORT, LA 71130
Bossier Parish (318) 626-4041
RAMI WASFI AL KHOURY MD
Internal Medicine
1541 KINGS HIGHWAY, INTERNAL MEDICINE
SHREVEPORT, LA 71130
Bossier Parish (318) 626-0436
DR. AMEY RAJAN SAVARDEKAR MD
Neurological Surgery
1541 KINGS HIGHWAY, NEUROSURGERY
SHREVEPORT, LA 71130
Bossier Parish (318) 675-6121
KASI M. ADDISON DO
Emergency Medicine
1541 KINGS HIGHWAY, EMERGENCY MEDICINE
SHREVEPORT, LA 71130
Bossier Parish (318) 626-2326
PRATHIMA ANANDI MD
Anesthesiology (Pain Medicine)
1541 KINGS HIGHWAY, ANESTHESIOLOGY
SHREVEPORT, LA 71130
Bossier Parish (318) 626-4041
DAVID RALPH JANESE MD
Family Medicine
1541 KINGS HIGHWAY, FAMILY MEDICINE
SHREVEPORT, LA 71130
Bossier Parish (318) 626-0014
SYEDA AFZAL
Pediatrics (Pediatric Critical Care Medicine)
1541 KINGS HIGHWAY, PEDIATRICS
SHREVEPORT, LA 71130
Bossier Parish (318) 626-2274

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 Marshall Byun-andersen's NPI number?

The NPI number for Marshall Byun-andersen is 1265994032. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Marshall Byun-andersen located?

Marshall Byun-andersen practices at 1541 Kings Highway Family Medicine, Shreveport, LA 71130. The listed phone number is (318) 626-0014.

What is Marshall Byun-andersen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marshall Byun-andersen enrolled in Medicare?

Yes. Marshall Byun-andersen 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.

What insurance does Marshall Byun-andersen accept?

Health plans from CHRISTUS Health Plan and HMO Louisiana list Marshall Byun-andersen 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 Marshall Byun-andersen affiliated with any hospitals?

According to CMS data, Marshall Byun-andersen is affiliated with Christus Shreveport-Bossier Health System, Willis Knighton Medical Center and Citizens Medical Center.

When was this NPI record last updated?

The NPPES record for Marshall Byun-andersen was last updated on January 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.