Internal Medicine, Infectious Disease · Summerville, SC
NPI
1336435205
Since 2011
Specialty
Internal Medicine, Infectious Disease
Code 207RI0200X
Group practices
3
Medicare group memberships
Hospitals
5
Hospital affiliations
1520 Old Trolley Rd, Ste 101
Summerville, SC, 29485
Phone (843) 402-0227
Groups this clinician bills Medicare through
Medicare paid, 2024
$193K
4,779 services
Medicare patients, 2024
576
Average age 76
Drug cost, 2024
$618K
715 prescriptions
Company payments, 2025
$660
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William D Largen was code 99232 (hospital e&m - subsequent), 872 times for 343 patients. In total William D Largen billed 4,779 services in 22 codes, and Medicare paid $193K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2019-02-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 872 | 343 | $58.15 | $51K |
| 99233 Hospital E&M - Subsequent | Facility | 640 | 308 | $88.29 | $57K |
| 99222 Hospital E&M - Initial | Facility | 278 | 264 | $91.72 | $25K |
| 99291 Critical Care E&M | Facility | 188 | 66 | $158.47 | $30K |
| 99213 Office E&M - Established | Office | 106 | 60 | $64.59 | $6,846 |
| 99204 Office E&M - New | Office | 16 | 16 | $114.47 | $1,832 |
By year: 2022 $157K for 6,188 services; 2023 $194K for 9,726 services; 2024 $193K for 4,779 services.
Medicare prescription drug claims, 2024
In 2024, the drug William D Largen prescribed most often to Medicare patients was Ceftriaxone (Ceftriaxone Sodium), with 86 prescriptions and refills. In total William D Largen wrote 715 Medicare prescriptions that cost $618K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ceftriaxone Ceftriaxone Sodium | 86 | 86 | 13 | $3,890 |
| Vancomycin Hcl Generic | 81 | 81 | 22 | $9,630 |
| Cefoxitin Cefoxitin Sodium | 65 | 65 | Under 11 | $20K |
| Doxycycline Hyclate Generic | 44 | 50 | 16 | $1,403 |
| Biktarvy Bictegrav/Emtricit/Tenofov Ala | 33 | 33 | Under 11 | $133K |
| Cefepime Hcl Generic | 28 | 28 | Under 11 | $4,716 |
| Azithromycin Generic | 27 | 43 | Under 11 | $442 |
| Ciprofloxacin Hcl Generic | 24 | 24 | 15 | $244 |
| Rifampin Generic | 21 | 32 | Under 11 | $1,983 |
| Ethambutol Hcl Generic | 20 | 22 | Under 11 | $918 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 18 | 18 | 11 | $542 |
| Daptomycin Generic | 16 | 16 | Under 11 | $5,977 |
| Genvoya Elviteg/Cob/Emtri/Tenof Alafen | 14 | 16 | Under 11 | $60K |
| Piperacillin-Tazobactam Piperacillin Sodium/Tazobactam | 13 | 13 | Under 11 | $3,823 |
| Ertapenem Ertapenem Sodium | 12 | 12 | Under 11 | $5,735 |
Brand drugs: 98 claims; generic drugs: 617 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William D Largen $660 ($660 in general payments such as food, travel and fees) from 10 companies. The largest payer was Shionogi Inc with $187.
| Company | Payments | Amount |
|---|---|---|
| Shionogi Inc 4507.T | 3 | $187 |
| Aimmune Therapeutics, Inc. | 3 | $121 |
| Merck Sharp & Dohme LLC MRK | 3 | $71.51 |
| Insmed, Inc. INSM | 2 | $66.87 |
| ViiV Healthcare Company GSK | 3 | $66.07 |
| Cumberland Pharmaceuticals, Inc. CPIX | 2 | $47.22 |
| Gilead Sciences, Inc. GILD | 1 | $31.78 |
| CorMedix Inc. CRMD | 1 | $28.65 |
| Melinta Therapeutics, LLC | 1 | $23.28 |
| Paratek Pharmaceuticals, Inc. | 1 | $15.46 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.