Doctor profile · Federal record
Dr. Casey Williamson, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Student in an Organized Health Care Education/Training Program · Portland, OR
- NPI 1437683570
- Accepts Medicare
- MIPS 90.5 / 100 · 2023
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(818) 364-1555
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- November 29, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Oregon #MD209995
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437683570. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
881
Distinct HCPCS
10
Medicare allowed
$75,518
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 418 | 125 | $46 | |
77300 |
Calculation of radiation therapy dose | 65 | 22 | $33 | |
77427 |
Radiation treatment management, 5 treatment sessions | 60 | 29 | $194 | |
77334 |
Design and construction of complex radiation treatment device | 44 | 36 | $62 | |
77332 |
Design and construction of simple radiation treatment device | 43 | 12 | $24 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $181 | |
77263 |
Complex radiation therapy planning | 32 | 31 | $171 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 25 | $66 | |
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 | 27 | 24 | $84 | |
77301 |
High precision radiation therapy planning | 21 | 19 | $428 |
In context: peer comparison
Among 17 peers in Portland Radiation Oncology Physician, average services per provider: 52. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$40
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $39.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
56
Patients
14
Total drug cost
$1,327
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 56 | 14 | $1,327 |
Frequently asked questions
What is Dr. Casey Williamson's medical specialty?
Dr. Casey Williamson practices Radiation Oncology Physician in Portland, OR.
Where does Dr. Casey Williamson practice?
Dr. Casey Williamson practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 8183641555.
What is Dr. Casey Williamson's NPI?
Dr. Casey Williamson's National Provider Identifier (NPI) is 1437683570, issued by NPPES.
Does Dr. Casey Williamson accept Medicare assignment?
Yes. Dr. Casey Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Casey Williamson commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.