Doctor profile · Federal record
Dr. Christopher Loiselle, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Seattle, WA
- NPI 1225259187
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1221 Madison St, 1St Floor
Seattle, WA 981043589
(206) 386-2323
fax (206) 386-2393 - Additional location
-
550 17Th Ave Ste A10
Seattle, WA 981225789
(206) 320-7130
fax (206) 320-7137 - Mailing address
-
Po Box 749730
Los Angeles, CA 900749730
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- May 24, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Washington #MD60101794
- Medicaid
- WA #8448193
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225259187. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,476
Distinct HCPCS
10
Medicare allowed
$151,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77300 |
Calculation of radiation therapy dose | 612 | 57 | $35 | |
77334 |
Design and construction of complex radiation treatment device | 254 | 58 | $65 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 68 | $103 | |
77295 |
3d radiation therapy planning | 70 | 57 | $243 | |
77263 |
Complex radiation therapy planning | 60 | 56 | $181 | |
77290 |
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 60 | 55 | $89 | |
77470 |
Special radiation treatment | 58 | 54 | $115 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 53 | 49 | $41 | |
77435 |
Management of cranial lesion surgery using radiation over multiple sessions | 48 | 44 | $690 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 41 | 41 | $192 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 74. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$8,377
Transactions
18
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Accuray Incorporated | 7 | $5,000.00 | |
| Brainlab, Inc. | 7 | $3,223.20 | |
| Siemens Medical Solutions USA, Inc. | 1 | $77.81 | |
| Elekta, Inc. | 3 | $75.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
0
Total drug cost
$275
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexamethasone | Generic | 14 | 0 | $275 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Loiselle's medical specialty?
Dr. Christopher Loiselle practices Radiation Oncology Physician in Seattle, WA.
Where does Dr. Christopher Loiselle practice?
Dr. Christopher Loiselle practices at 1221 Madison St, Seattle, WA 981043589. Office phone: 2063862323.
What is Dr. Christopher Loiselle's NPI?
Dr. Christopher Loiselle's National Provider Identifier (NPI) is 1225259187, issued by NPPES.
Does Dr. Christopher Loiselle accept Medicare assignment?
Yes. Dr. Christopher Loiselle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Loiselle commonly perform?
Top Medicare-reported procedures in 2023: Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.