James Joseph Fenton, MD
NPI 1851395305ActiveIndividual· Internal Medicine, Pulmonary Disease· Greenwood Village, CO
Internal Medicine, Pulmonary Disease (MD) in Greenwood Village, Colorado, trained at Ohio State University College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $134,506 for 339 claims, against $77,145 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 12 companies reporting payments in 2025, $785.57 in all, mostly food and beverage.
Overview
| NPI | 1851395305 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2005 |
| Last updated in NPPES | Jun 14, 2024 |
| Certified by provider | Jun 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 36951 | CO |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 36951 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 299 |
|---|---|
| Services billed | 999 across 24 procedure codes |
| Paid by Medicare | $77,145 |
Part D prescriptions in 2024
| Prescriptions (claims) | 339 · 565 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $134,506 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Critical Care and Pulmonary Consultants, P.C.Greenwood Village, CO · 158 clinicians
Hospital affiliations
- HCA Healthone Mountain RidgeThornton, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
Other facilities
- Canyon Home CareHome health agency · Murray, UT
Industry payments (Open Payments)
- 2025$785.57 · 27 payments from 12 companies
- 2024$1,142 · 27 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $185.23 | 5 |
| Intuitive Surgical, Inc. | $141.14 | 1 |
| Astrazeneca Pharmaceuticals LP | $137.51 | 6 |
| United Therapeutics Corporation | $100.74 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $38.97 | 2 |
What the 2025 payments were for
- Food and Beverage$774.72 · 26 payments
- Education$10.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Greenwood Village
- 1861430563
- 1548492788
- 1689103186
- 1609019751
- 1417134883
- 1790098655
- 1750745915
- 1437618634
- 1124478763
- 1437240033
- 1073996385
- 1477515336
All Internal Medicine, Pulmonary Disease providers in Colorado →