Otis Barnum, DO
NPI 1245224559 · Internal Medicine Physician · Natchitoches, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Otis Barnum, DO is a Internal Medicine Physician provider in Natchitoches, LA (NPI 1245224559).
Provider details
- NPI number
- 1245224559
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 018855 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,972 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 813 | $118 |
| Advance Care Planning, First 30 Minutes99497 | 261 | $77 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 250 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 247 | $119 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 146 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 153 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 306 | 50 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 300 | 63 |
| Atorvastatin Calcium | 265 | 55 |
| Omeprazole | 257 | 62 |
| Tramadol Hcl | 233 | 45 |
| Amlodipine Besylate | 223 | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$230 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-01
- Last updated
- 2021-08-16
- Certified
- 2021-08-16
Frequently asked questions
- What is Otis Barnum's NPI number?
- Otis Barnum's National Provider Identifier (NPI) is 1245224559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Otis Barnum's specialty?
- Otis Barnum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Otis Barnum located?
- Otis Barnum's practice location on file with NPPES is 617 Bienville St, Natchitoches, LA 71457-5739.
- What is Otis Barnum's phone number?
- The practice phone number listed in the NPPES registry for Otis Barnum is (318) 352-9880.
- Does Otis Barnum accept Medicare?
- Otis Barnum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Otis Barnum's NPI active?
- Yes — Otis Barnum's NPI (1245224559) is active in the NPPES registry as of the last update on 2021-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.