Byron Williams, MD
NPI 1336159797 · Cardiovascular Disease Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Byron Williams, MD is a Cardiovascular Disease Physician provider in Atlanta, GA (NPI 1336159797).
Provider details
- NPI number
- 1336159797
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 018974 (GA)
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
1,135 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 750 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 145 | $86 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 69 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 68 | $77 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 50 | $66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 94 | 31 |
| Metoprolol Succinate | 78 | 32 |
| Rosuvastatin Calcium | 57 | 25 |
| Atorvastatin Calcium | 50 | 26 |
| Potassium Chloride | 49 | 19 |
| Carvedilol | 44 | 15 |
| Ezetimibe | 40 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Byron Williams's NPI number?
- Byron Williams's National Provider Identifier (NPI) is 1336159797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Byron Williams's specialty?
- Byron Williams is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Byron Williams located?
- Byron Williams's practice location on file with NPPES is 550 Peachtree St Ne, Atlanta, GA 30308-2247.
- What is Byron Williams's phone number?
- The practice phone number listed in the NPPES registry for Byron Williams is (404) 686-7878.
- Does Byron Williams accept Medicare?
- Byron Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Byron Williams's NPI active?
- Yes — Byron Williams's NPI (1336159797) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.