DR. WILLIAM DAVID BYARS M.D.
NPI 1336110147
Family Medicine in Greer, SC

Q: What is William Byars's NPI number?

The NPI number for William Byars is 1336110147. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Q: What is William Byars's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for William Byars was last updated on June 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 January 30, 2006PECOS Enrolled

406 MEMORIAL DRIVE EXT, GREER, SC 29651(864) 877-9066(864) 848-3291 Get Directions Write a Review

NPPES record last updated: June 21, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. William David Byars M.d. NPPES

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

DR. WILLIAM DAVID BYARS M.D. (NPI 1336110147) is an individual family medicine provider in Greer, South Carolina, licensed in South Carolina (9201) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336110147

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. WILLIAM DAVID BYARSCredential: M.D.

Location Address406 MEMORIAL DRIVE EXTGreer, SC 29651-1818

Mailing Address1 Independence Pt, Suite 212Greenville, SC 29615-4545 · (864) 797-6044

Phone(864) 877-9066

Fax(864) 848-3291

Sole ProprietorNo

Enumeration DateJanuary 30, 2006

Last NPPES UpdateJune 21, 2012

✔ NPI 1336110147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in SC · 9201

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

406 MEMORIAL DRIVE EXT, Greer, SC 29651

Open in Google Maps ↗

Other Identifiers 9

Other21698SC · Medcost

Medicaid092018SC

Medicare PINB919397951SC

Medicare PINB91939SC

OtherP00792867SC · Rr Medicare

Other4556629SC · Aetna

Medicare UPINB91939SC

Medicare PINP00065301SC

Medicare PINB919396634SC

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William David Byars M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 William Byars reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prisma Health University Medical Group

6.1 mi

Pediatrics

4501 OLD SPARTANBURG RD STE 9
Taylors, SC 29687

Reassigned Medicare billing, South Carolina enrollment
3,281 clinicians in this Medicare group

NPI 1801524392 (864) 292-8868

Greenville Health System

8.5 mi

General Acute Care Hospital

200 PATEWOOD DR, SUITE C 300
Greenville, SC 29615

Reassigned Medicare billing, South Carolina enrollment
735 clinicians in this Medicare group

NPI 1184049041 (864) 454-8272

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29651 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

$83.18 typical visit price

range $53.57 – $163.84

Typical copayment $20.79 (range $13.39 – $40.96)

Most-billed visit code 99203

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

Most-billed visit code 99214

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

Other Providers at the Same Location NPPES 9

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

JOHN HUNTER LEIGH D.O.

Family Medicine