Doctor profile · Federal record
Dr. William Kellogg, MD
Hematology & Oncology Physician · Sumter, SC
- NPI 1265490643
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1105 N Lafayette Dr, Suite A
Sumter, SC 291502913
(803) 934-8833
fax (803) 934-0787 - Mailing address
-
Po Box 1244
Sumter, SC 291511244
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 3, 2014
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- South Carolina #17231
- Medicaid
- SC #172315
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265490643. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
240,647
Distinct HCPCS
10
Medicare allowed
$2,157,187
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q0138 |
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 60,180 | 37 | $1 | |
J9299 |
Injection, nivolumab, 1 mg | 38,060 | 12 | $30 | |
J9263 |
Injection, oxaliplatin, 0.5 mg | 28,150 | 13 | $0 | |
J1453 |
Injection, fosaprepitant, 1 mg | 26,250 | 31 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 19,980 | 41 | $21 | |
J9267 |
Injection, paclitaxel, 1 mg | 16,048 | 19 | $0 | |
J2405 |
Injection, ondansetron hydrochloride, per 1 mg | 7,184 | 67 | $0 | |
J0185 |
Injection, aprepitant, 1 mg | 6,370 | 14 | $2 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 6,183 | 70 | $0 | |
Q5106 |
Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 5,120 | 12 | $8 |
In context: peer comparison
Among 1 peers in Sumter Hematology & Oncology Physician, average services per provider: 4,718. This provider delivers 51× the peer median.Open Payments
Industry payments received
All-time total
$1,086
Transactions
36
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 7 | $137.25 | |
| Novartis Pharmaceuticals Corporation | 4 | $96.37 | |
| Pfizer INC. | 4 | $86.34 | |
| Astellas Pharma US INC | 2 | $54.31 | |
| Genmab U.S., INC. | 2 | $48.98 | |
| Jazz Pharmaceuticals INC. | 2 | $43.31 | |
| Incyte Corporation | 2 | $42.96 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $42.93 | |
| Abbvie INC. | 2 | $42.34 | |
| Asd Specialty Healthcare, LLC | 1 | $42.21 | |
| Lilly USA, LLC | 2 | $40.52 | |
| GlaxoSmithKline, LLC. | 2 | $39.51 | |
| Merck Sharp & Dohme LLC | 1 | $31.42 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $30.45 | |
| PharmaEssentia USA Corporation | 1 | $29.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,194
Patients
644
Total drug cost
$856,945
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 573 | 158 | $20,897 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 211 | 39 | $7,943 |
| Prednisone | Generic | 190 | 60 | $1,029 |
| Tamoxifen Citrate | Generic | 158 | 52 | $6,641 |
| Ondansetron Hcl | Generic | 133 | 75 | $1,660 |
| Potassium Chloride | Generic | 131 | 41 | $3,836 |
| Letrozole | Generic | 121 | 30 | $5,005 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 117 | 30 | $3,127 |
| Oxycodone Hcl | Generic | 115 | 33 | $3,105 |
| Levofloxacin | Generic | 111 | 54 | $1,844 |
Frequently asked questions
What is Dr. William Kellogg's medical specialty?
Dr. William Kellogg practices Hematology & Oncology Physician in Sumter, SC.
Where does Dr. William Kellogg practice?
Dr. William Kellogg practices at 1105 N Lafayette Dr, Sumter, SC 291502913. Office phone: 8039348833.
What is Dr. William Kellogg's NPI?
Dr. William Kellogg's National Provider Identifier (NPI) is 1265490643, issued by NPPES.
What procedures does Dr. William Kellogg commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, nivolumab, 1 mg (HCPCS J9299); Injection, oxaliplatin, 0.5 mg (HCPCS J9263). Source: CMS Medicare Physician & Other Practitioners file.