Doctor profile · Federal record
Dr. David Marshall, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Charleston, SC
- NPI 1083669527
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
171 Ashley Ave
Charleston, SC 294250001
(843) 792-1414 - Mailing address
-
Po Box 751461
Charlotte, NC 282751461
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 14, 2020
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- South Carolina #27463
- Medicaid
- SC #274633
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083669527. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,529
Distinct HCPCS
10
Medicare allowed
$126,909
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 314 | 34 | $43 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 263 | 24 | $20 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 187 | 17 | $43 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 154 | 127 | $93 | |
77427 |
Radiation treatment management, 5 treatment sessions | 116 | 37 | $181 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 81 | 75 | $63 | |
77300 |
Calculation of radiation therapy dose | 79 | 23 | $31 | |
77427 |
Radiation treatment management, 5 treatment sessions | 45 | 14 | $181 | |
77300 |
Calculation of radiation therapy dose | 37 | 13 | $31 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $171 |
In context: peer comparison
Among 9 peers in Charleston Radiation Oncology Physician, average services per provider: 90. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$28
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $27.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
275
Patients
60
Total drug cost
$143,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 135 | 49 | $2,472 |
| Orgovyx (Relugolix) | Brand | 52 | 11 | $136,866 |
| Celecoxib | Generic | 28 | 0 | $1,062 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 23 | 0 | $394 |
| Tolterodine Tartrate ER (Tolterodine Tartrate) | Brand | 21 | 0 | $2,503 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 16 | 0 | $514 |
Frequently asked questions
What is Dr. David Marshall's medical specialty?
Dr. David Marshall practices Radiation Oncology Physician in Charleston, SC.
Where does Dr. David Marshall practice?
Dr. David Marshall practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437921414.
What is Dr. David Marshall's NPI?
Dr. David Marshall's National Provider Identifier (NPI) is 1083669527, issued by NPPES.
Does Dr. David Marshall accept Medicare assignment?
Yes. Dr. David Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Marshall commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); 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). Source: CMS Medicare Physician & Other Practitioners file.