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WILLIAM GAY MD
NPI 1164494159
Pediatrics - Pediatric Cardiology in Roanoke, VA

Active since February 03, 2006PECOS Enrolled
4348 ELECTRIC RD, ROANOKE, VA 24018(540) 769-0976(540) 857-5387 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 15, 2026, Jun 24, 2024, Oct 12, 2021 (3 updates tracked since 2021).

About William Gay Md NPPES

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

WILLIAM GAY MD (NPI 1164494159) is an individual pediatric cardiology provider in Roanoke, Virginia, licensed in Virginia (0101036383) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164494159
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameWILLIAM GAYCredential: MD
Location Address4348 ELECTRIC RDRoanoke, VA 24018-0720
Mailing Address213 S Jefferson St Ste 1006Roanoke, VA 24011-1713 · (540) 224-5516
Phone(540) 769-0976
Fax(540) 857-5387
Sole ProprietorNo
Enumeration DateFebruary 3, 2006
Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1164494159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in VA · 0101036383✔ Licensed in VA · 0101-036383
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License 0101-036383 (VA)
4348 ELECTRIC RD, Roanoke, VA 24018
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Other Identifiers 7

Medicaid6725066VA
Medicaid6705677VA
Medicaid6736645VA
Medicaid6736785VA
Medicaid6739831VA
Medicaid6736793VA
Medicaid6712126VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Gay Md 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

4

Medicare enrollment records show William Gay reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carilion Medical Center
2.2 mi
Dental
2017 JEFFERSON ST SW
Roanoke, VA 24014
  • Reassigned Medicare billing, Virginia enrollment
  • 1,207 clinicians in this Medicare group
NPI 1114399276 (540) 981-7128
Carilion Giles Community Hospital
10.0 mi
Rural Health
22890 VIRGIL GOODE HWY.
Boones Mill, VA 24065
  • Reassigned Medicare billing, Virginia enrollment
  • Also billed through NPI 1023663267 (Virginia)
  • 608 clinicians in this Medicare group
NPI 1154948271 (540) 334-5511
Carilion Rockbridge Community Hospital
25 mi
Rural Health
18080 MAIN ST
Buchanan, VA 24066
  • Reassigned Medicare billing, Virginia enrollment
  • Also billed through NPI 1942854427 (Virginia)
  • 507 clinicians in this Medicare group
NPI 1144848003 (540) 254-1239
Carilion Tazewell Community Hospital
84 mi
General Acute Care Hospital
388 BEN BOLT AVE
Tazewell, VA 24651
  • Reassigned Medicare billing, Virginia enrollment
  • 118 clinicians in this Medicare group
NPI 1427040328 (276) 988-8700

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

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.

ALISON ENSOR DUNN MD
Pediatrics
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
JOSEPH TAMEZ MD
Pediatrics (Pediatric Pulmonology)
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
DR. MELISSA NICOLE MUNROE M.D.
Pediatrics
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
ABBEY STONE
Dietitian, Registered
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
IBELITZE MARGARITA MADIGAN
Student in an Organized Health Care Education/Training Program
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
DR. ERINN E HOKANSON NP
Pediatrics
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0975
MICHAEL MEYER MD
Pediatrics
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0976
ZARA ZAHID DDS
Dentist (Pediatric Dentistry)
4348 ELECTRIC RD
ROANOKE, VA 24018
Roanoke County (540) 769-0600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Gay's NPI number?

The NPI number for William Gay is 1164494159. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Where is William Gay located?

William Gay practices at 4348 Electric Rd, Roanoke, VA 24018. The listed phone number is (540) 769-0976.

What is William Gay's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is William Gay enrolled in Medicare?

Yes. William Gay is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Gay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gay reassigns Medicare benefits to 4 organizations: Carilion Medical Center (Roanoke, VA), Carilion Giles Community Hospital (Boones Mill, VA), Carilion Rockbridge Community Hospital (Buchanan, VA) and Carilion Tazewell Community Hospital (Tazewell, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Gay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Gay was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.