Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM A INCATASCIATO MD
NPI 1992785331
Pediatrics in Herndon, VA

Q: What is William Incatasciato's NPI number?

The NPI number for William Incatasciato is 1992785331. It was assigned to this individual provider in the NPPES registry on January 20, 2006.

Q: What is William Incatasciato's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since January 20, 2006

505 HUNTMAR PARK DR STE 100, HERNDON, VA 20170(703) 359-5100(844) 271-8010 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William A Incatasciato Md NPPES

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

DR. WILLIAM A INCATASCIATO MD (NPI 1992785331) is an individual pediatrics provider in Herndon, Virginia, licensed in Virginia (010105012) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1992785331

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. WILLIAM A INCATASCIATOCredential: MD

Location Address505 HUNTMAR PARK DR STE 100Herndon, VA 20170-5141

Mailing Address505 Huntmar Park Dr Ste 100Herndon, VA 20170-5141 · (703) 359-5100 · Fax (844) 271-8010

Phone(703) 359-5100

Fax(844) 271-8010

Sole ProprietorNo

Enumeration DateJanuary 20, 2006

Last NPPES UpdateJuly 31, 2026

NPPES CertifiedJuly 31, 2026

✔ NPI 1992785331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in VA · 010105012

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

505 HUNTMAR PARK DR STE 100, Herndon, VA 20170

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Other Identifiers 1

Medicaid006730337VA

Other Providers at the Same Location NPPES 2

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

NAIR MAYA M.D.

Pediatrics

505 HUNTMAR PARK DR STE 100
HERNDON, VA 20170

Fairfax County (703) 359-5100

THOMAS ARTHUR SADDINGTON FNP-C

Nurse Practitioner (Family)

505 HUNTMAR PARK DR STE 100
HERNDON, VA 20170

Fairfax County (703) 478-5350

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 Incatasciato's NPI number?

The NPI number for William Incatasciato is 1992785331. It was assigned to this individual provider in the NPPES registry on January 20, 2006.

Where is William Incatasciato located?

William Incatasciato practices at 505 Huntmar Park Dr Ste 100, Herndon, VA 20170. The listed phone number is (703) 359-5100.

What is William Incatasciato's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for William Incatasciato was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.