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WK BOSSIER INTERNAL MEDICINE
NPI 1356522452
Internal Medicine in Bossier City, LA

Active since November 16, 2007
2400 HOSPITAL DR, SUITE 420, BOSSIER CITY, LA 71111(318) 212-7910(318) 752-7915 Get Directions Write a Review

NPPES record last updated: December 16, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Wk Bossier Internal Medicine NPPES

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

WK BOSSIER INTERNAL MEDICINE (NPI 1356522452) is a healthcare organization registered as an internal medicine in Bossier City, Louisiana and active in the NPI registry since November 2007. The organization lists Greg J. Gavin, Network Administrator, as its authorized official.

NPPES Registry Identity

NPI1356522452
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameWK BOSSIER INTERNAL MEDICINE
Location Address2400 HOSPITAL DR, SUITE 420Bossier City, LA 71111-2385
Mailing Address2400 Hospital Dr, Suite 420Bossier City, LA 71111-2385 · (318) 212-7910 · Fax (318) 752-7915
Phone(318) 212-7910
Fax(318) 752-7915
Organization SubpartNo
Authorized OfficialGreg J. GavinNetwork Administrator · (318) 212-4232
Enumeration DateNovember 16, 2007
Last NPPES UpdateDecember 16, 2009
✔ NPI 1356522452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2400 HOSPITAL DR, Bossier City, LA 71111
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Other Identifiers 2

Medicaid1025445LA
Medicare PIN5DB42LA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wk Bossier Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Wk Bossier Internal Medicine, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Attila Balogh, MD
Internal Medicine
NPI 1558310680
2400 HOSPITAL DR SUITE 420
Bossier City, LA 71111
(318) 752-7820
✔ PECOS✔ Accepts Medicare0.6 mi
Jonathan Gray, MD
Internal Medicine
NPI 1881047199
2400 HOSPITAL DR STE 420
Bossier City, LA 71111
(318) 212-7910
✔ PECOS✔ Accepts Medicare0.6 mi
Diana Lim, MD
Internal Medicine
NPI 1023047420
2400 HOSPITAL DR SUITE 420
Bossier City, LA 71111
(318) 212-7910
✔ PECOS✔ Accepts Medicare0.6 mi
Kennedy Lim, MD
Internal Medicine
NPI 1801825211
2400 HOSPITAL DR SUITE 420
Bossier City, LA 71111
(318) 212-7910
✔ PECOS✔ Accepts Medicare0.6 mi
Ariel Ton, M.D.
Internal Medicine
NPI 1134120355
104 MORRIS CIR
Homer, LA 71040
(318) 927-1110
✔ PECOS✔ Accepts Medicare43 mi

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

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 Wk Bossier Internal Medicine's NPI number?

The NPI number for Wk Bossier Internal Medicine is 1356522452. It was assigned to this organization in the NPPES registry on November 16, 2007.

Where is Wk Bossier Internal Medicine located?

Wk Bossier Internal Medicine is located at 2400 Hospital Dr Suite 420, Bossier City, LA 71111. The listed phone number is (318) 212-7910.

What is Wk Bossier Internal Medicine's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wk Bossier Internal Medicine enrolled in Medicare?

Yes. Wk Bossier Internal Medicine is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Wk Bossier Internal Medicine?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Internal Medicine, reassign their Medicare billing to Wk Bossier Internal Medicine. A 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 the clinician's services. Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Wk Bossier Internal Medicine 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 Wk Bossier Internal Medicine 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.

When was this NPI record last updated?

The NPPES record for Wk Bossier Internal Medicine was last updated on December 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.