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BARNUM INTERNAL MEDICINE
NPI 1316437643
Internal Medicine in Natchitoches, LA

Active since May 11, 2018CLIA 19D0908266 · Waiver
1029 KEYSER AVE STE H, NATCHITOCHES, LA 71457(318) 238-9880 Get Directions Write a Review

NPPES record last updated: May 11, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Barnum Internal Medicine NPPES

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

BARNUM INTERNAL MEDICINE (NPI 1316437643) is a healthcare organization registered as an internal medicine in Natchitoches, Louisiana and active in the NPI registry since May 2018. The organization holds a CLIA Waiver certificate valid through November 1, 2027 and lists Otis Barnum, Owner/md, as its authorized official.

NPPES Registry Identity

NPI1316437643
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameBARNUM INTERNAL MEDICINE
Location Address1029 KEYSER AVE STE HNatchitoches, LA 71457-6215
Mailing AddressPo Box 7318Natchitoches, LA 71457-0318 · (318) 352-9880
Phone(318) 238-9880
Organization SubpartNo
Authorized OfficialOtis BarnumOwner/md · (318) 352-9880
Enumeration DateMay 11, 2018
✔ NPI 1316437643 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.
1029 KEYSER AVE STE H, Natchitoches, LA 71457
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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 Blue Cross and Blue Shield of Louisiana, HMO Louisiana.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 19D0908266

Barnum Internal Medicine, LLC · Natchitoches, LA
Active · expires Nov 1, 2027
CLIA Number19D0908266
Laboratory TypePhysician Office
Certificate Effective DateNovember 2, 2025
Certificate Expiration DateNovember 1, 2027
Laboratory DirectorOtis R. Barnum
Laboratory Phone(318) 352-9880
Laboratory LocationBarnum Internal Medicine, LLC617 Bienville Street, Suite A, Natchitoches, LA 71457
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Barnum Internal Medicine's NPI number?

The NPI number for Barnum Internal Medicine is 1316437643. It was assigned to this organization in the NPPES registry on May 11, 2018.

Where is Barnum Internal Medicine located?

Barnum Internal Medicine is located at 1029 Keyser Ave Ste H, Natchitoches, LA 71457. The listed phone number is (318) 238-9880.

What is Barnum Internal Medicine's specialty?

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

Does Barnum Internal Medicine hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 19D0908266) is associated with this NPI, valid through November 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Barnum Internal Medicine accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Barnum 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 Barnum Internal Medicine was last updated on May 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.