James Sim, MD
NPI 1578678405 · Nephrology Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Sim, MD is a Nephrology Physician provider in Baton Rouge, LA (NPI 1578678405).
Provider details
- NPI number
- 1578678405
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD.206715 (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
19 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
1,124 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 223 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $96 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 146 | $58 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 145 | $343 |
| 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 | 92 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 157 | 57 |
| Empagliflozinbrand: Jardiance | 136 | 25 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 110 | 31 |
| Sevelamer Carbonate | 85 | 27 |
| Amlodipine Besylate | 79 | 28 |
| Furosemide | 61 | 20 |
| Ferric Citratebrand: Auryxia | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$642 across 28 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
- 2006-08-20
- Last updated
- 2022-06-29
- Certified
- 2022-06-29
Frequently asked questions
- What is James Sim's NPI number?
- James Sim's National Provider Identifier (NPI) is 1578678405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Sim's specialty?
- James Sim is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Sim located?
- James Sim's practice location on file with NPPES is 5131 Odonovan Dr Ste 100, Baton Rouge, LA 70808-4791.
- What is James Sim's phone number?
- The practice phone number listed in the NPPES registry for James Sim is (225) 767-4893.
- Does James Sim accept Medicare?
- James Sim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Sim's NPI active?
- Yes — James Sim's NPI (1578678405) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.