Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Irvin Kilby, MD

Pediatrics Physician in Harrisonburg, VA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1487650990

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Registry record

Entity type Individual (Type 1)

Name Dr. William Irvin Kilby

Credential MD

Sex Male

Practice address 3302 Albert Long Dr, Harrisonburg, VA, 22801

Phone (540) 434-0898

Fax (540) 433-9268

Enumeration date Jun 21, 2005

Last updated in NPPES Aug 21, 2012

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 010135377 (VA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0112596000	Other	VA	WEST VA MEDICAID
08120000000	Other	VA	SOUTHERN HEALTH
28110	Other	VA	OPTIMA
006775799	Medicaid	VA	-
541258300	Other	VA	VALLEY CHILDRENS CLINIC
700101768	Other	VA	CIGNA
013346	Other	VA	ANTHEM

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for William Kilby?

The National Provider Identifier (NPI) for William Kilby is 1487650990, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Kilby practice?

The practice location on file with NPPES is in Harrisonburg, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Susan Newsome Pediatrics Physician · Harrisonburg, VA NPI 1831195338 Lynn Lambert Pediatrics Physician · Harrisonburg, VA NPI 1912903428 Valley Children'S Clinic Pediatrics Physician · Harrisonburg, VA NPI 1689671224 Saied Asfa Plastic and Reconstructive Surgery Physician · Rockingham, VA NPI 1780609602 Mary Moster Pediatric Nurse Practitioner · Harrisonburg, VA NPI 1194831875 Monica Compagnari Family Nurse Practitioner · Harrisonburg, VA NPI 1508972282 Asfa Plastic Surgery, Inc. Plastic and Reconstructive Surgery Physician · Rockingham, VA NPI 1104078799 Stone Spring Pediatrics, LLC Pediatrics Physician · Rockingham, VA NPI 1407320336

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-21.