Doctor profile · Federal record

Dr. Thomas Williamson, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Winston Salem, NC

  • NPI 1023429941
  • Accepts Medicare
  • MIPS 98.8 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Medical Center Blvd
Winston Salem, NC 271570001
(336) 716-6777
Mailing address
1227 N State St Ste 101
Jackson, MS 392022002

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
September 14, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Mississippi #24656

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023429941. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178,262
Distinct HCPCS
10
Medicare allowed
$2,998,230
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 54,000 38 $1
J9271 Injection, pembrolizumab, 1 mg 22,400 32 $47
J0185 Injection, aprepitant, 1 mg 19,890 47 $2
J9299 Injection, nivolumab, 1 mg 18,160 12 $30
J0897 Injection, denosumab, 1 mg 12,240 42 $23
J9263 Injection, oxaliplatin, 0.5 mg 9,800 11 $0
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 6,030 14 $42
J9267 Injection, paclitaxel, 1 mg 4,980 13 $0
J9041 Injection, bortezomib, 0.1 mg 4,900 14 $5
J9311 Injection, rituximab 10 mg and hyaluronidase 4,260 11 $37

In context: peer comparison

Among 23 peers in this city , average services per provider: 1,007. This provider delivers 177× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,198
Transactions
83
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 7 $217.14
Gilead Sciences, Inc. 7 $208.74
Celgene Corporation 9 $168.35
Janssen Biotech, Inc. 10 $167.28
Takeda Pharmaceuticals U.S.A., Inc. 6 $127.77
Merck Sharp & Dohme LLC 6 $109.54
Genentech USA, Inc. 6 $103.31
AstraZeneca Pharmaceuticals LP 6 $95.95
PFIZER INC. 7 $93.78
Pharmacosmos Therapeutics Inc. 3 $73.59
Lilly USA, LLC 3 $67.65
Novartis Pharmaceuticals Corporation 4 $63.51
GENZYME CORPORATION 3 $63.28
Incyte Corporation 3 $61.81
Deciphera Pharmaceuticals Inc. 3 $55.25

By nature of payment

Food and Beverage
$2,098
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
853
Patients
217
Total drug cost
$1,679,506
Drug Type Claims Patients Total cost
Letrozole Generic 121 40 $2,893
Dexamethasone Generic 85 26 $1,914
Hydroxyurea Generic 79 18 $2,403
Gabapentin Generic 74 18 $896
Eliquis (Apixaban) Brand 72 12 $53,058
Imbruvica (Ibrutinib) Brand 70 0 $864,424
Potassium Chloride Generic 57 20 $834
Ondansetron Odt (Ondansetron) Brand 55 36 $1,478
Acyclovir Generic 45 23 $566
Anastrozole Generic 37 0 $398

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Williamson's medical specialty?
Dr. Thomas Williamson practices Hematology & Oncology Physician in Winston Salem, NC.
Where does Dr. Thomas Williamson practice?
Dr. Thomas Williamson practices at 1 Medical Center Blvd, Winston Salem, NC 271570001. Office phone: 3367166777.
What is Dr. Thomas Williamson's NPI?
Dr. Thomas Williamson's National Provider Identifier (NPI) is 1023429941, issued by NPPES.
Does Dr. Thomas Williamson accept Medicare assignment?
Yes. Dr. Thomas Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Williamson commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, aprepitant, 1 mg (HCPCS J0185). Source: CMS Medicare Physician & Other Practitioners file.