Doctor profile · Federal record
Dr. Spencer Ashton, M.D
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · St George, UT
- NPI 1063678514
- Accepts Medicare
- 20 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
600 S Medical Center Dr
St George, UT 847908723
(435) 688-4175 - Additional location
-
401 W Poplar St, Radiation Oncology
Walla Walla, WA 993622846
(509) 522-5700
fax (509) 522-5515 - Mailing address
-
Po Box 27128
Salt Lake City, UT 841270128
Credentials & registration
- NPI registered
- August 2008 — 18 yrs on file
- Profile last updated
- April 9, 2026
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Utah #8602188-1205 · Washington #MD60226451
- Medicaid (2)
- WA #1063678514 · OR #500636850
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063678514. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,465
Distinct HCPCS
10
Medicare allowed
$192,634
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 505 | 50 | $20 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 360 | 53 | $43 | |
77300 |
Calculation of radiation therapy dose | 312 | 86 | $31 | |
77334 |
Design and construction of complex radiation treatment device | 275 | 91 | $58 | |
77427 |
Radiation treatment management, 5 treatment sessions | 210 | 74 | $183 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 163 | 107 | $63 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 103 | 81 | $34 | |
77263 |
Complex radiation therapy planning | 96 | 90 | $162 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 77 | 77 | $173 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 59 | 55 | $216 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 136. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Siemens Medical Solutions USA, Inc. | 1 | $54.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
0
Total drug cost
$477
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 29 | 0 | $252 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 0 | $225 |
Hospital affiliations
Frequently asked questions
What is Dr. Spencer Ashton's medical specialty?
Dr. Spencer Ashton practices Radiation Oncology Physician in St George, UT.
Where does Dr. Spencer Ashton practice?
Dr. Spencer Ashton practices at 600 S Medical Center Dr, St George, UT 847908723. Office phone: 4356884175.
What is Dr. Spencer Ashton's NPI?
Dr. Spencer Ashton's National Provider Identifier (NPI) is 1063678514, issued by NPPES.
Does Dr. Spencer Ashton accept Medicare assignment?
Yes. Dr. Spencer Ashton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Ashton commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.