Internal Medicine, Rheumatology · Greenville, SC
NPI
1447572169
Since 2010
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
50 International Dr Ste 325
Greenville, SC, 29615
Phone (864) 235-8396
Groups this clinician bills Medicare through
Medicare paid, 2024
$3.3M
347,170 services
Medicare patients, 2024
1,010
Average age 73
Drug cost, 2024
$4.8M
4,724 prescriptions
Company payments, 2025
$3,892
From 25 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Long Huynh-Duc was code J0717 (injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)), 187,200 times for 199 patients. In total Long Huynh-Duc billed 347,170 services in 52 codes, and Medicare paid $3.3M.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-31.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Office | 187,200 | 199 | $3.60 | $674K |
| J1602 Injection, golimumab, 1 mg, for intravenous use | Office | 38,700 | 134 | $8.99 | $348K |
| J3262 Injection, tocilizumab, 1 mg | Office | 34,120 | 24 | $4.69 | $160K |
| J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Office | 19,875 | 107 | $33.76 | $671K |
| J3111 Injection, romosozumab-aqqg, 1 mg | Office | 11,340 | 30 | $8.56 | $97K |
| J0491 Injection, anifrolumab-fnia, 1 mg | Office | 11,100 | 12 | $13.50 | $150K |
| J0897 Injection, denosumab, 1 mg | Office | 7,920 | 120 | $20.00 | $158K |
| J1745 Injection, infliximab, excludes biosimilar, 10 mg | Office | 7,080 | 70 | $24.24 | $172K |
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 6,581 | 77 | $0.10 | $651 |
| J3247 Injection, secukinumab, intravenous, 1 mg | Office | 6,500 | 20 | $13.27 | $86K |
| J9312 Injection, rituximab, 10 mg | Office | 4,810 | 37 | $61.20 | $294K |
| J0490 Injection, belimumab, 10 mg | Office | 4,768 | 22 | $38.19 | $182K |
| J2919 Injection, methylprednisolone sodium succinate, 5 mg | Office | 1,205 | 47 | $0.23 | $274 |
| 96401 Chemotherapy Administration | Office | 1,069 | 305 | $50.89 | $54K |
| 85025 Blood Count | Office | 938 | 492 | $7.53 | $7,059 |
By year: 2022 $3.3M for 240,579 services; 2023 $3.4M for 310,172 services; 2024 $3.3M for 347,170 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 938 | 492 | $7.53 | $7,059 |
Medicare prescription drug claims, 2024
In 2024, the drug Long Huynh-Duc prescribed most often to Medicare patients was Prednisone, with 722 prescriptions and refills. In total Long Huynh-Duc wrote 4,724 Medicare prescriptions that cost $4.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 722 | 845 | 211 | $5,007 |
| Hydroxychloroquine Sulfate Generic | 717 | 1,743 | 219 | $35K |
| Methotrexate Methotrexate Sodium | 512 | 1,227 | 172 | $19K |
| Tramadol Hcl Generic | 247 | 253 | 81 | $2,160 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 174 | 174 | 66 | $3,843 |
| Diclofenac Sodium Generic | 173 | 258 | 56 | $11K |
| Leflunomide Generic | 146 | 292 | 45 | $7,163 |
| Sulfasalazine Generic | 138 | 309 | 39 | $3,835 |
| Celecoxib Generic | 110 | 240 | 39 | $3,079 |
| Methylprednisolone Generic | 103 | 119 | 73 | $1,237 |
| Humira(Cf) Pen Adalimumab | 102 | 116 | 17 | $1.1M |
| Cyclobenzaprine Hcl Generic | 89 | 97 | 28 | $402 |
| Meloxicam Generic | 86 | 206 | 38 | $448 |
| Alendronate Sodium Generic | 83 | 195 | 26 | $809 |
| Allopurinol Generic | 77 | 229 | 29 | $795 |
Brand drugs: 653 claims; generic drugs: 4,071 claims; opioid claims: 465.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Long Huynh-Duc $3,892 ($3,892 in general payments such as food, travel and fees) from 25 companies. The largest payer was Amgen Inc. with $575.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 38 | $575 |
| Abbvie Inc. ABBV | 20 | $516 |
| GlaxoSmithKline, LLC. GSK | 10 | $320 |
| UCB, Inc. UCB.BR | 18 | $320 |
| Mallinckrodt Hospital Products Inc. | 9 | $270 |
| ANI Pharmaceuticals, Inc. ANIP | 11 | $264 |
| Janssen Biotech, Inc. JNJ | 13 | $237 |
| Novartis Pharmaceuticals Corporation NVS | 8 | $219 |
| AstraZeneca Pharmaceuticals LP AZN | 8 | $188 |
| E.R. Squibb & Sons, L.L.C. BMY | 8 | $173 |
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.