BYRON R WILLIAMS JR. MD
NPI 1336159797
Internal Medicine - Cardiovascular Disease in Atlanta, GA

Q: What is Byron Williams's NPI number?

The NPI number for Byron Williams is 1336159797. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Q: What is Byron Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Byron Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 09, 2006PECOS Enrolled

92.26/100

CMS Quality Rating

550 PEACHTREE ST NE, ATLANTA, GA 30308(404) 686-7878 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Byron R Williams Jr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BYRON R WILLIAMS JR. MD (NPI 1336159797) is an individual cardiovascular disease provider in Atlanta, Georgia, licensed in Georgia (018974) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Tanner Medical Center - Carrollton, and is a graduate of University Of Florida College Of Medicine (1974).

NPPES Registry Identity

NPI1336159797

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameBYRON R WILLIAMS JR.Credential: MD

Location Address550 PEACHTREE ST NEAtlanta, GA 30308-2247

Mailing Address550 Peachtree St NeAtlanta, GA 30308-2247 · (404) 686-7878

Phone(404) 686-7878

Sole ProprietorNo

Medical School CMSUniversity Of Florida College Of MedicineGraduated 1974

Enumeration DateAugust 9, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1336159797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in GA · 018974

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

550 PEACHTREE ST NE, Atlanta, GA 30308

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Other Identifiers 1

Medicare UPIND42058GA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Byron R Williams Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6608922737

PECOS Enrollment IDI20090915000454

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Byron Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Emory Clinic Inc

4.1 mi

Internal Medicine

1365 CLIFTON RD NE
Atlanta, GA 30322

Reassigned Medicare billing, Georgia enrollment
4,840 clinicians in this Medicare group

NPI 1396798229 (404) 778-2144

Tanner Medical Group Inc

43 mi

Cardiovascular Disease

100 GREENWAY BLVD FL 2
Carrollton, GA 30117

Reassigned Medicare billing, Georgia enrollment
232 clinicians in this Medicare group

NPI 1396979787 (770) 838-8710

Chatuge Regional Hospital Inc

67 mi

Family Medicine

56 FIREWATER LN
Suches, GA 30572

Reassigned Medicare billing, Georgia enrollment
35 clinicians in this Medicare group

NPI 1558811943 (706) 747-1036

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

750 services473 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

145 services98 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

69 services68 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

68 services33 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

50 services50 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

34 services33 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tanner Medical Center - Carrollton

Acute Care Hospitals · Carrollton, GA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110011

Location705 Dixie StreetCarrollton, GA 30117 · Carroll County

Birthing friendly

Tanner Medical Center Villa Rica

Acute Care Hospitals · Villa Rica, GA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110015

Location601 Dallas HighwayVilla Rica, GA 30180 · Carroll County

Emergency services Birthing friendly

Higgins General Hospital

Critical Access Hospitals · Bremen, GA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number111320

Location200 Allen Memorial DriveBremen, GA 30110 · Haralson County

Emergency services

Chatuge Regional Hospital

Critical Access Hospitals · Hiawassee, GA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number111324

Location110 S Main StreetHiawassee, GA 30546 · Towns County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.64 typical visit price

range $56.84 – $172.43

Typical copayment $32.66 (range $14.21 – $43.10)

Most-billed visit code 99204

Established Patient

$70.85 typical visit price

range $18.22 – $140.40

Typical copayment $17.71 (range $4.55 – $35.10)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

73.83

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers11 claims13 services$17.52 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers11 claims13 services$95.10 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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