Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stuart E Katz, M.D.

Q: What is the NPI number for Stuart Katz?

The National Provider Identifier (NPI) for Stuart Katz is 1912050840, a Type 1 (individual) record in the CMS NPPES registry.

Urology Physician in Falls Church, VA · enumerated 2007.

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

National Provider Identifier

1912050840

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Registry record

Entity type Individual (Type 1)

Name Dr. Stuart E Katz

Credential M.D.

Sex Male

Practice address 201 N Washington St, Falls Church, VA, 22046

Phone (703) 237-4020

Fax (703) 536-1395

Enumeration date Jan 22, 2007

Last updated in NPPES Nov 29, 2011

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 0101037291 (VA) Primary

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

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

What is the NPI number for Stuart Katz?

The National Provider Identifier (NPI) for Stuart Katz is 1912050840, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stuart Katz practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-29.