Doctor profile · Federal record
Dr. William McDermott, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Charleston, SC
- NPI 1831485838
- Accepts Medicare
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
169 Ashley Ave, Room 202 Main Hospital, MSC 333
Charleston, SC 294258905
(843) 792-2731
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- January 28, 2016
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- South Carolina #LL33918 · Tennessee #53685
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831485838. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,384
Distinct HCPCS
5
Medicare allowed
$121,715
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 967 | 191 | $75 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 247 | 101 | $113 | |
99239 |
Hospital discharge day management, more than 30 minutes | 101 | 99 | $108 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 58 | 58 | $163 | |
99238 |
Hospital discharge day management, 30 minutes or less | 11 | 11 | $76 |
In context: peer comparison
Among 74 peers in this city , average services per provider: 177. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $21.00 | |
| Merck Sharp & Dohme LLC | 1 | $17.08 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William McDermott's medical specialty?
Dr. William McDermott practices Internal Medicine Physician in Charleston, SC.
Where does Dr. William McDermott practice?
Dr. William McDermott practices at 169 Ashley Ave, Charleston, SC 294258905. Office phone: 8437922731.
What is Dr. William McDermott's NPI?
Dr. William McDermott's National Provider Identifier (NPI) is 1831485838, issued by NPPES.
Does Dr. William McDermott accept Medicare assignment?
Yes. Dr. William McDermott accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William McDermott commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.