James Westerfield, M.D.
NPI 1649271511 · Internal Medicine Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Westerfield, M.D. is a Internal Medicine Physician provider in Baton Rouge, LA (NPI 1649271511).
Provider details
- NPI number
- 1649271511
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 025540 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
301 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 | 117 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 69 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 66 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 49 | $162 |
Typical Medicare-allowed amounts for these services range $73–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 60 | 30 |
| Ondansetronbrand: Ondansetron Odt | 44 | 44 |
| Prednisone | 41 | 31 |
| Metoprolol Tartrate | 26 | 18 |
| Furosemide | 24 | 15 |
| Levofloxacin | 20 | 20 |
| Amlodipine Besylate | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2005-08-02
- Last updated
- 2015-03-27
Frequently asked questions
- What is James Westerfield's NPI number?
- James Westerfield's National Provider Identifier (NPI) is 1649271511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Westerfield's specialty?
- James Westerfield is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Westerfield located?
- James Westerfield's practice location on file with NPPES is 5000 Hennessy Blvd, Baton Rouge, LA 70808-4375.
- What is James Westerfield's phone number?
- The practice phone number listed in the NPPES registry for James Westerfield is (225) 765-4050.
- Does James Westerfield accept Medicare?
- James Westerfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Westerfield's NPI active?
- Yes — James Westerfield's NPI (1649271511) is active in the NPPES registry as of the last update on 2015-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.