Brian Williams, MD
NPI 1669484655 · Family Medicine Physician · Waynesboro, MS
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Williams, MD is a Family Medicine Physician provider in Waynesboro, MS (NPI 1669484655).
Provider details
- NPI number
- 1669484655
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 15468 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
648 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 239 | $112 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 141 | $162 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 119 | $66 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 61 | $7 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $72 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefuroxime Axetilbrand: Cefuroxime | 52 | 50 |
| Amoxicillin | 47 | 46 |
| Levofloxacin | 35 | 35 |
| Ondansetronbrand: Ondansetron Odt | 29 | 29 |
| Ketorolac Tromethamine | 24 | 24 |
| Clindamycin Hcl | 21 | 21 |
| Ibuprofen | 17 | 17 |
| Tramadol Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2010-02-01
Frequently asked questions
- What is Brian Williams's NPI number?
- Brian Williams's National Provider Identifier (NPI) is 1669484655, 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 950 Matthew Dr, Waynesboro, MS 39367-2567.
- What is Brian Williams's phone number?
- The practice phone number listed in the NPPES registry for Brian Williams is (601) 735-5151.
- 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 (1669484655) is active in the NPPES registry as of the last update on 2010-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.