James Field, MD
NPI 1255386942 · Cardiovascular Disease Physician · Caldwell, ID
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Field, MD is a Cardiovascular Disease Physician provider in Caldwell, ID (NPI 1255386942).
Provider details
- NPI number
- 1255386942
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M7474 (ID)
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
2,827 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,440 | $7 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 336 | $63 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 134 | $65 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days93248 | 122 | $24 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 106 | $20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 125 | 50 |
| Atorvastatin Calcium | 124 | 52 |
| Warfarin Sodium | 113 | 44 |
| Metoprolol Succinate | 108 | 45 |
| Furosemide | 65 | 27 |
| Losartan Potassium | 35 | 18 |
| Carvedilol | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 2 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
- 2006-05-23
- Last updated
- 2011-11-16
Frequently asked questions
- What is James Field's NPI number?
- James Field's National Provider Identifier (NPI) is 1255386942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Field's specialty?
- James Field is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Field located?
- James Field's practice location on file with NPPES is 315 E Elm St, Caldwell, ID 83605.
- What is James Field's phone number?
- The practice phone number listed in the NPPES registry for James Field is (208) 454-6363.
- Does James Field accept Medicare?
- James Field is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Field's NPI active?
- Yes — James Field's NPI (1255386942) is active in the NPPES registry as of the last update on 2011-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.