Doctor profile · Federal record
Dr. William Ashwander, M.D.
Vascular Surgery Physician (CMS: Vascular Surgery) · North Charleston, SC
- NPI 1649414970
- Accepts Medicare
- MIPS 89.3 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2575 Elms Center RD Ste 200
North Charleston, SC 294069875
(843) 724-1950 - Mailing address
-
Po Box 751649
Charlotte, NC 282751649
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- February 12, 2024
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 2086S0129X — NUCC code
- State license (1)
- South Carolina #39815
- Medicaid
- SC #398153
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649414970. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,556
Distinct HCPCS
10
Medicare allowed
$250,603
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 410 | 311 | $85 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 119 | 118 | $20 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 103 | 103 | $105 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 101 | 101 | $158 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 88 | 88 | $37 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 85 | 84 | $32 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 83 | 68 | $120 | |
93922 |
Ultrasound study of arm and leg arteries | 74 | 73 | $66 | |
36475 |
Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | 63 | 44 | $1,017 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 50 | 50 | $175 |
In context: peer comparison
Among 2 peers in North Charleston Vascular Surgery Physician, average services per provider: 71. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$482
Transactions
14
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| W. L. Gore & Associates, INC. | 2 | $177.82 | |
| Medtronic, INC. | 5 | $146.22 | |
| Boston Scientific Corporation | 2 | $34.89 | |
| Solventum Corporation | 1 | $31.12 | |
| Inari Medical, INC. | 1 | $27.32 | |
| LeMaitre Vascular, INC. | 1 | $23.92 | |
| Silk Road Medical, INC. | 1 | $20.50 | |
| Tactile Systems Technology INC | 1 | $19.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
176
Patients
77
Total drug cost
$17,351
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 53 | 17 | $721 |
| Diazepam | Generic | 39 | 35 | $28 |
| Atorvastatin Calcium | Generic | 33 | 14 | $458 |
| Eliquis (Apixaban) | Brand | 25 | 0 | $16,056 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 11 | $57 |
| Tramadol Hcl | Generic | 12 | 0 | $30 |
Hospital affiliations
Frequently asked questions
What is Dr. William Ashwander's medical specialty?
Dr. William Ashwander practices Vascular Surgery Physician in North Charleston, SC.
Where does Dr. William Ashwander practice?
Dr. William Ashwander practices at 2575 Elms Center RD Ste 200, North Charleston, SC 294069875. Office phone: 8437241950.
What is Dr. William Ashwander's NPI?
Dr. William Ashwander's National Provider Identifier (NPI) is 1649414970, issued by NPPES.
Does Dr. William Ashwander accept Medicare assignment?
Yes. Dr. William Ashwander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ashwander commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.