James Williams, MD
NPI 1528040854 · Gynecologic Oncology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Gynecological Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Williams, MD is a Gynecologic Oncology Physician provider in Columbia, SC (NPI 1528040854).
Provider details
- NPI number
- 1528040854
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14607 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,283 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,173 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,093 | $8 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 1,074 | $8 |
| Liver Function Blood Test Panel80076 | 771 | $8 |
| Immunologic Analysis for Detection of Tumor Antigen, Quantitative; Ca 12586304 | 622 | $20 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 571 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 87 | 21 |
| Megestrol Acetate | 58 | 14 |
| Dexamethasone | 52 | 37 |
| Ondansetronbrand: Ondansetron Odt | 49 | 44 |
| Apixabanbrand: Eliquis | 42 | — |
| Promethazine Hcl | 33 | 23 |
| Dicyclomine Hcl | 28 | 27 |
| Prochlorperazine Maleate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,561 across 67 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2007-09-16
Frequently asked questions
- What is James Williams's NPI number?
- James Williams's National Provider Identifier (NPI) is 1528040854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Williams's specialty?
- James Williams is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Williams located?
- James Williams's practice location on file with NPPES is 166 Stoneridge Dr, Columbia, SC 29210-8239.
- What is James Williams's phone number?
- The practice phone number listed in the NPPES registry for James Williams is (803) 461-3000.
- Does James Williams accept Medicare?
- James Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Williams's NPI active?
- Yes — James Williams's NPI (1528040854) is active in the NPPES registry as of the last update on 2007-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.