Doctor profile · Federal record
Dr. Michael O'Callaghan, MD
Anesthesiology Physician (CMS: Anesthesiology) · Denver, CO
- NPI 1033256318
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
455 Sherman St, Ste 510
Denver, CO 802034400
(303) 377-6825
fax (303) 780-0787
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- August 12, 2013
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Colorado #52481
- Medicaid
- CO #10471723
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033256318. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$36
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medline Industries Lp | 1 | $22.19 | |
| Becton, Dickinson and Company | 1 | $14.17 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Michael O'Callaghan's medical specialty?
Dr. Michael O'Callaghan practices Anesthesiology Physician in Denver, CO.
Where does Dr. Michael O'Callaghan practice?
Dr. Michael O'Callaghan practices at 455 Sherman St, Denver, CO 802034400. Office phone: 3033776825.
What is Dr. Michael O'Callaghan's NPI?
Dr. Michael O'Callaghan's National Provider Identifier (NPI) is 1033256318, issued by NPPES.
Does Dr. Michael O'Callaghan accept Medicare assignment?
Yes. Dr. Michael O'Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.