Doctor profile · Federal record
Dr. Mark O'Callaghan, M.D.
Neuroradiology Physician (CMS: Diagnostic Radiology) · Tacoma, WA
- NPI 1023180890
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
209 Martin Luther King JR Way
Tacoma, WA 984054265
(253) 596-3300 - Additional location
-
1959 Ne Pacific St
Seattle, WA 981950001
(206) 598-3300 - Mailing address
-
Tacoma Medical Center, 209 Martin Luther King JR. Way
Tacoma, WA 98405
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- April 28, 2021
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 2085N0700X — NUCC code
- State license (1)
- Washington #MD00047091
- Medicaid
- WA #8469579
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023180890. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,725
Distinct HCPCS
7
Medicare allowed
$4,727
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 2,630 | 26 | $0 | |
71046 |
X-ray of chest, 2 views | 22 | 21 | $11 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 21 | 21 | $9 | |
73564 |
X-ray of knee, 4 or more views | 18 | 12 | $10 | |
70553 |
Mri scan of brain before and after contrast | 12 | 11 | $141 | |
70551 |
Mri scan of brain without contrast | 11 | 11 | $85 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 11 | 11 | $106 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 389. This provider delivers 7.0× the peer median.Frequently asked questions
What is Dr. Mark O'Callaghan's medical specialty?
Dr. Mark O'Callaghan practices Neuroradiology Physician in Tacoma, WA.
Where does Dr. Mark O'Callaghan practice?
Dr. Mark O'Callaghan practices at 209 Martin Luther King JR Way, Tacoma, WA 984054265. Office phone: 2535963300.
What is Dr. Mark O'Callaghan's NPI?
Dr. Mark O'Callaghan's National Provider Identifier (NPI) is 1023180890, issued by NPPES.
Does Dr. Mark O'Callaghan accept Medicare assignment?
Yes. Dr. Mark O'Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark O'Callaghan commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 2 views (HCPCS 71046); X-ray of lower and sacral spine, 2-3 views (HCPCS 72100). Source: CMS Medicare Physician & Other Practitioners file.