Internal Medicine, Hematology & Oncology · Winston Salem, NC
NPI
1023429941
Since 2014
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
1 Medical Center Blvd
Winston Salem, NC, 27157
Phone (336) 716-6777
Groups this clinician bills Medicare through
Medicare paid, 2024
$4.4M
211,995 services
Medicare patients, 2024
854
Average age 75
Drug cost, 2024
$6.0M
1,756 prescriptions
Company payments, 2025
$1,971
From 32 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Thomas C Williamson Jr. was code J9271 (injection, pembrolizumab, 1 mg), 27,400 times for 32 patients. In total Thomas C Williamson Jr. billed 211,995 services in 165 codes, and Medicare paid $4.4M.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-09-14.
| Code |
|---|
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J9271 Injection, pembrolizumab, 1 mg | Office | 27,400 | 32 | $39.81 | $1.1M |
| J9299 Injection, nivolumab, 1 mg | Office | 24,000 | 12 | $24.62 | $591K |
| J0185 Injection, aprepitant, 1 mg | Office | 13,520 | 37 | $1.17 | $16K |
| J1449 Injection, eflapegrastim-xnst, 0.1 mg | Office | 11,484 | 45 | $20.47 | $235K |
| J0897 Injection, denosumab, 1 mg | Office | 9,600 | 44 | $20.49 | $197K |
| J1437 Injection, ferric derisomaltose, 10 mg | Office | 5,600 | 46 | $16.04 | $90K |
| J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Office | 4,910 | 15 | $37.03 | $182K |
| J9267 Injection, paclitaxel, 1 mg | Office | 4,250 | 11 | $0.08 | $342 |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 3,215 | 83 | $0.08 | $253 |
| J9041 Injection, bortezomib, 0.1 mg | Office | 3,106 | 14 | $1.44 | $4,467 |
| J2469 Injection, palonosetron hcl, 25 mcg | Office | 1,850 | 64 | $0.61 | $1,126 |
| 85025 Blood Count | Office | 1,636 | 498 | $7.38 | $12K |
| 80053 Clinical Chemistry | Office | 1,544 | 510 | $10.02 | $15K |
| 36415 Venipuncture Blood Collection | Office | 1,463 | 473 | $8.38 | $12K |
| J0640 Injection, leucovorin calcium, per 50 mg | Office | 896 | 16 | $2.98 | $2,670 |
By year: 2022 $3.4M for 249,355 services; 2023 $4.0M for 246,820 services; 2024 $4.4M for 211,995 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 1,636 | 498 | $7.38 | $12K |
| 80053 Clinical Chemistry | 1,544 | 510 | $10.02 | $15K |
| 36415 Venipuncture Blood Collection | 1,463 | 473 | $8.38 | $12K |
| 82728 Clinical Chemistry | 342 | 167 | $13.17 | $4,505 |
| 83521 Immunoassay | 278 | 67 | $16.73 | $4,651 |
| 83540 Clinical Chemistry | 258 | 138 | $6.22 | $1,605 |
| 83550 Clinical Chemistry | 258 | 138 | $8.42 | $2,171 |
| 84443 Clinical Chemistry | 179 | 37 | $16.46 | $2,946 |
| 84439 Clinical Chemistry | 171 | 32 | $8.24 | $1,408 |
| 85055 Blood Count | 164 | 84 | $34.42 | $5,645 |
Medicare prescription drug claims, 2024
In 2024, the drug Thomas C Williamson Jr. prescribed most often to Medicare patients was Letrozole, with 168 prescriptions and refills. In total Thomas C Williamson Jr. wrote 1,756 Medicare prescriptions that cost $6.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Letrozole Generic | 168 | 362 | 50 | $2,906 |
| Gabapentin Generic | 97 | 114 | 22 | $1,021 |
| Eliquis Apixaban | 77 | 83 | 11 | $47K |
| Imbruvica Ibrutinib | 75 | 75 | Under 11 | $917K |
| Dexamethasone Generic | 71 | 97 | 17 | $1,587 |
| Acyclovir Generic | 63 | 66 | 15 | $721 |
| Lenalidomide Generic | 59 | 59 | 12 | $755K |
| Hydroxyurea Generic | 59 | 131 | 17 | $1,571 |
| Potassium Chloride Generic | 51 | 68 | 15 | $357 |
| Anastrozole Generic | 48 | 76 | Under 11 | $472 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 48 | 48 | 28 | $941 |
| Ondansetron Odt Ondansetron | 45 | 45 | 37 | $1,039 |
| Imatinib Mesylate Generic | 42 | 42 | Under 11 | $74K |
| Tamoxifen Citrate Generic | 42 | 95 | 13 | $1,231 |
| Brukinsa Zanubrutinib | 35 | 35 | Under 11 | $465K |
Brand drugs: 452 claims; generic drugs: 1,304 claims; opioid claims: 73.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Thomas C Williamson Jr. $1,971 ($1,971 in general payments such as food, travel and fees) from 32 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $249.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 11 | $249 |
| Merck Sharp & Dohme LLC MRK | 7 | $154 |
| Novartis Pharmaceuticals Corporation NVS | 10 | $150 |
| Genentech USA, Inc. ROG.SW | 6 | $125 |
| Gilead Sciences, Inc. GILD | 4 | $118 |
| Array Biopharma Inc PFE | 6 | $106 |
| Daiichi Sankyo Inc. 4568.T | 4 | $102 |
| Pfizer Inc. PFE | 6 | $101 |
| Incyte Corporation INCY | 5 | $94.77 |
| Abbvie Inc. ABBV | 4 | $92.38 |
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.