Doctor profile · Federal record
Dr. William Largen, MD
Infectious Disease Physician (CMS: Infectious Disease) · Summerville, SC
- NPI 1336435205
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1520 Old Trolley RD, Ste 101
Summerville, SC 294855292
(843) 402-0227
fax (843) 402-0232 - Additional location
-
1481 Tobias Gadson Blvd Ste 1A
Charleston, SC 294074879
(843) 402-3093
fax (843) 402-3094 - Mailing address
-
1938 Charlie Hall Blvd Unit B
Charleston, SC 294146099
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- February 12, 2019
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- South Carolina #33860
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336435205. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,029
Distinct HCPCS
6
Medicare allowed
$209,301
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,014 | 363 | $75 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 371 | 217 | $112 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 329 | 304 | $123 | |
99291 |
Critical care, first 30-74 minutes | 203 | 59 | $203 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 96 | 62 | $85 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $156 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 338. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$657
Transactions
23
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 5 | $185.26 | |
| Paratek Pharmaceuticals, Inc. | 5 | $162.26 | |
| ViiV Healthcare Company | 5 | $141.27 | |
| Merck Sharp & Dohme LLC | 3 | $54.03 | |
| Shionogi Inc | 2 | $49.74 | |
| Astellas Pharma US Inc | 1 | $27.51 | |
| Insmed, Inc. | 1 | $20.97 | |
| Melinta Therapeutics, LLC | 1 | $15.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
233
Patients
32
Total drug cost
$33,237
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Vancomycin Hcl | Generic | 64 | 20 | $12,807 |
| Cefazolin Sodium | Generic | 43 | 0 | $1,939 |
| Cefepime Hcl | Generic | 31 | 0 | $10,586 |
| Doxycycline Hyclate | Generic | 29 | 0 | $1,486 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 25 | 0 | $1,067 |
| Ciprofloxacin Hcl | Generic | 15 | 12 | $205 |
| Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) | Brand | 15 | 0 | $4,267 |
| Fluconazole | Generic | 11 | 0 | $879 |
Hospital affiliations
Frequently asked questions
What is Dr. William Largen's medical specialty?
Dr. William Largen practices Infectious Disease Physician in Summerville, SC.
Where does Dr. William Largen practice?
Dr. William Largen practices at 1520 Old Trolley RD, Summerville, SC 294855292. Office phone: 8434020227.
What is Dr. William Largen's NPI?
Dr. William Largen's National Provider Identifier (NPI) is 1336435205, issued by NPPES.
Does Dr. William Largen accept Medicare assignment?
Yes. Dr. William Largen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Largen 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); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.