Michael O'Callaghan, MD
NPI 1033256318ActiveIndividual· Anesthesiology· Denver, CO
Anesthesiology (MD) in Denver, Colorado, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2006). Medicare paid $10,248 for services to 45 patients in 2024. Becton, Dickinson and Company reported $18.77 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033256318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | Aug 12, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 52481 | 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 - Anesthesiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 55 across 31 procedure codes |
| Paid by Medicare | $10,248 |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Anesthesiology |
Medical group
- US Anesthesia Partners of Colorado IncGreenwood Village, CO · 461 clinicians
Hospital affiliations
- HCA Healthone RoseDenver, CO
- HCA Healthone Presbyterian St. LukesDenver, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$18.77 · 1 payment from 1 company
- 2024$36.36 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Becton, Dickinson and Company | $18.77 | 1 |
What the 2025 payments were for
- Food and Beverage$18.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 255 anesthesiologists in Denver · All anesthesiologists in Colorado