Physician Profile
William M. Merritt, MD
Unclaimed ProfileAbout Dr. Merritt
Based in Columbia, SC, William M. Merritt, MD is listed in the NPI registry under gynecologic oncology. William graduated from University of South Carolina School of Medicine in 2001. Medicare claims data shows William provided 160,602 services to 1,955 patients. The services billed most often include injection, paclitaxel, 1 mg, injection, aprepitant, 1 mg, and injection, granisetron, extended-release, 0.1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (803) 461-3000
- Email not available
Practice Locations
166 STONERIDGE DR
Columbia, SC 29210
Procedures Most Often Billed to Medicare
160,602 services · 1,955 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,118 | More than most peers in Gynecologic Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
758 | More than most peers in Gynecologic Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
495 | More than most peers in Gynecologic Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
368 | More than most peers in Gynecologic Oncology |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
341 | Too few peers to compare |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
300 | More often than most peers in Gynecologic Oncology |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
55,574 | More than most peers in Gynecologic Oncology |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
25,220 | Too few peers to compare |
| Injection, granisetron, extended-release, 0.1 mg | Drug given | J1627 |
15,300 | Too few peers to compare |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
12,800 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gynecologic oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of South Carolina School of Medicine 3
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2001 at University of South Carolina School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in SC who bill this service to Medicare most often.
Common questions
What does Dr. Merritt specialize in?
Dr. Merritt is a gynecologic oncology in Columbia, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Merritt located?
Dr. Merritt is listed at 166 Stoneridge Dr, Columbia, SC 29210. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Merritt's phone number?
The number on file is (803) 461-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Merritt?
Dr. Merritt's National Provider Identifier is 1609070143. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Merritt go to medical school?
Dr. Merritt attended University of South Carolina School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Merritt have?
Dr. Merritt has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Merritt do most often?
According to Medicare billing data, Dr. Merritt performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Merritt's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merritt. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.