Doctor profile · Federal record
Dr. William Merritt, MD
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Columbia, SC
- NPI 1609070143
- Accepts Medicare
- MIPS 95.3 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
166 Stoneridge Dr
Columbia, SC 292108239
(803) 461-3000 - Mailing address
-
Po Box 2046
West Columbia, SC 291712046
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- August 5, 2009
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State license (1)
- Texas #M6290
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609070143. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
135,747
Distinct HCPCS
10
Medicare allowed
$1,435,118
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9267 |
Injection, paclitaxel, 1 mg | 51,244 | 46 | $0 | |
J0185 |
Injection, aprepitant, 1 mg | 17,680 | 46 | $2 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 15,220 | 100 | $0 | |
J1627 |
Injection, granisetron, extended-release, 0.1 mg | 8,800 | 36 | $6 | |
J9271 |
Injection, pembrolizumab, 1 mg | 7,600 | 11 | $54 | |
J9263 |
Injection, oxaliplatin, 0.5 mg | 7,400 | 11 | $0 | |
Q5126 |
Injection, bevacizumab-maly, biosimilar, (alymsys), 10 mg | 5,170 | 13 | $66 | |
J1449 |
Injection, eflapegrastim-xnst, 0.1 mg | 5,016 | 18 | $31 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,975 | 68 | $0 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 1,350 | 29 | $1 |
In context: peer comparison
Among 1 peers in Columbia Gynecologic Oncology Physician, average services per provider: 2,828. This provider delivers 48× the peer median.Open Payments
Industry payments received
All-time total
$1,649
Transactions
58
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 7 | $168.16 | |
| Takeda Pharmaceuticals U.S.A., INC. | 6 | $161.73 | |
| Pfizer INC. | 9 | $157.03 | |
| Eagle Pharmaceuticals, INC. | 2 | $154.99 | |
| AstraZeneca Pharmaceuticals Lp | 8 | $137.30 | |
| Janssen Biotech, INC. | 5 | $116.59 | |
| Spectrum Pharmaceuticals INC. | 3 | $54.86 | |
| Eisai INC. | 2 | $52.89 | |
| Daiichi Sankyo INC. | 2 | $45.14 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $43.85 | |
| Array Biopharma INC | 4 | $43.80 | |
| Merck Sharp & Dohme LLC | 2 | $38.54 | |
| Sobi, INC | 2 | $38.53 | |
| Emd Serono, INC. | 2 | $38.40 | |
| BeiGene USA, INC. | 2 | $35.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
475
Patients
210
Total drug cost
$1,110,949
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 54 | 48 | $118 |
| Ondansetron Odt (Ondansetron) | Brand | 47 | 30 | $486 |
| Zejula (Niraparib Tosylate) | Brand | 47 | 0 | $644,016 |
| Eliquis (Apixaban) | Brand | 45 | 11 | $28,123 |
| Letrozole | Generic | 45 | 12 | $813 |
| Dexamethasone | Generic | 36 | 29 | $508 |
| Megestrol Acetate | Generic | 35 | 0 | $1,904 |
| Prochlorperazine Maleate | Generic | 32 | 23 | $330 |
| Rubraca (Rucaparib Camsylate) | Brand | 27 | 0 | $237,872 |
| Ondansetron Hcl | Generic | 21 | 14 | $268 |
Hospital affiliations
Frequently asked questions
What is Dr. William Merritt's medical specialty?
Dr. William Merritt practices Gynecologic Oncology Physician in Columbia, SC.
Where does Dr. William Merritt practice?
Dr. William Merritt practices at 166 Stoneridge Dr, Columbia, SC 292108239. Office phone: 8034613000.
What is Dr. William Merritt's NPI?
Dr. William Merritt's National Provider Identifier (NPI) is 1609070143, issued by NPPES.
Does Dr. William Merritt accept Medicare assignment?
Yes. Dr. William Merritt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Merritt commonly perform?
Top Medicare-reported procedures in 2023: Injection, paclitaxel, 1 mg (HCPCS J9267); Injection, aprepitant, 1 mg (HCPCS J0185); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967). Source: CMS Medicare Physician & Other Practitioners file.