Barnum Internal Medicine
NPI 1316437643 · Internal Medicine Physician · Natchitoches, LA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barnum Internal Medicine is a Internal Medicine Physician organization in Natchitoches, LA (NPI 1316437643).
Provider details
- NPI number
- 1316437643
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Otis Barnum, Owner/Md(318) 352-9880
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-11
- Last updated
- 2018-05-11
Frequently asked questions
- What is Barnum Internal Medicine's NPI number?
- Barnum Internal Medicine's National Provider Identifier (NPI) is 1316437643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Barnum Internal Medicine?
- Barnum Internal Medicine is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barnum Internal Medicine located?
- Barnum Internal Medicine's practice location on file with NPPES is 1029 Keyser Ave Ste H, Natchitoches, LA 71457-6215.
- What is Barnum Internal Medicine's phone number?
- The practice phone number listed in the NPPES registry for Barnum Internal Medicine is (318) 238-9880.
- Does Barnum Internal Medicine accept Medicare?
- Barnum Internal Medicine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Barnum Internal Medicine?
- The authorized official listed on Barnum Internal Medicine's NPPES record is Otis Barnum, Owner/Md. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Barnum Internal Medicine's NPI active?
- Yes — Barnum Internal Medicine's NPI (1316437643) is active in the NPPES registry as of the last update on 2018-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.