Brian Williams, MD
NPI 1093166548 · Family Medicine Physician · Rock Hill, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Williams, MD is a Family Medicine Physician provider in Rock Hill, SC (NPI 1093166548).
Provider details
- NPI number
- 1093166548
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39560 (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
9 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
2,788 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 989 | $122 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 370 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 278 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 271 | $126 |
| Hemoglobin A1c Level83036 | 241 | $10 |
| Manual Urinalysis Test With Examination Using Microscope, Automated |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 176 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 609 | 194 |
| Omeprazole | 490 | 159 |
| Amlodipine Besylate | 443 | 161 |
| Levothyroxine Sodium | 405 | 109 |
| Lisinopril | 333 | 101 |
| Losartan Potassium | 316 | 98 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$203 across 2 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
- 2016-06-27
- Last updated
- 2024-07-15
Frequently asked questions
- What is Brian Williams's NPI number?
- Brian Williams's National Provider Identifier (NPI) is 1093166548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Williams's specialty?
- Brian Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Williams located?
- Brian Williams's practice location on file with NPPES is 1656 Riverchase Blvd, Rock Hill, SC 29732-2084.
- What is Brian Williams's phone number?
- The practice phone number listed in the NPPES registry for Brian Williams is (803) 329-5131.
- Does Brian Williams accept Medicare?
- Brian Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Williams's NPI active?
- Yes — Brian Williams's NPI (1093166548) is active in the NPPES registry as of the last update on 2024-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.