James A. Birgenheier Jr., M.D.
NPI 1144232026ActiveIndividual· Anesthesiology· Greenwood Village, CO
Anesthesiology (M.D.) in Greenwood Village, Colorado, trained at University of Missouri, Kansas City, School of Medicine (class of 1991). Medicare paid $31,318 for services to 278 patients in 2024. Merck Sharp & Dohme LLC reported $20.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1144232026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 12, 2006 |
| Last updated in NPPES | Aug 6, 2021 |
| Certified by provider | Aug 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | DR.0035143 | CO |
| Anesthesiology | 207L00000X | MD2004-0111 | NM |
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 - Anesthesiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 278 |
|---|---|
| Services billed | 318 across 53 procedure codes |
| Paid by Medicare | $31,318 |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Anesthesiology |
Medical group
- Catholic Health Initiatives ColoradoLakewood, CO · 1,225 clinicians
Hospital affiliation
- Mercy Regional Medical CenterDurango, CO
Industry payments (Open Payments)
- 2025$20.05 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $20.05 | 1 |
What the 2025 payments were for
- Food and Beverage$20.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 166 anesthesiologists in Greenwood Village · All anesthesiologists in Colorado