Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Natalie A Sikka, MD

Pediatric Gastroenterology Physician in Fairfax, VA · enumerated 2006.

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

National Provider Identifier

1851322424

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Registry record

Entity type Individual (Type 1)

Name Dr. Natalie A Sikka

Credential MD

Sex Female

Practice address 8505 Arlington Blvd, Suite 400, Fairfax, VA, 22031

Phone (571) 226-5600

Enumeration date Jul 5, 2006

Last updated in NPPES Dec 25, 2009

Taxonomy & licenses

2080P0206X Pediatric Gastroenterology Physician Allopathic & Osteopathic Physicians · License 235975 (NY) 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
02695114	Medicaid	NY	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Natalie Sikka's NPI record?

Cross-check NPI 1851322424 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1851322424 active?

Yes, as of the latest NPPES snapshot, NPI 1851322424 is active (record last updated 2009-12-25).

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F. Joseph Hallal Cardiovascular Disease Physician · Fairfax, VA NPI 1467459404 Northern Virginia Cardiology Associates, PC Cardiovascular Disease Physician · Fairfax, VA NPI 1063419927 Christine Bussey Cardiovascular Disease Physician · Fairfax, VA NPI 1598763146 Robert Murphy Retina Specialist (Ophthalmology) Physician · Fairfax, VA NPI 1942274808 A. Pilkerton Ophthalmology Physician · Fairfax, VA NPI 1750355905 Cardiac Diagnostic Services of Va Nuclear Imaging & Therapy Physician · Fairfax, VA NPI 1760457691 Manfred Vonfricken Ophthalmology Physician · Fairfax, VA NPI 1457311839 Christopher Marrow Physical Therapist · Fairfax, VA NPI 1609831510

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-25.