NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. David M Katz, M.D.

Neurology Physician in N Bethesda, MD · enumerated 2005.

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

National Provider Identifier

1740283480

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Registry record

Entity type Individual (Type 1)
Name Dr. David M Katz
Credential M.D.
Sex Male
Practice address N Bethesda, MD, 20852
Phone (301) 540-2700
Fax (866) 328-4322
Enumeration date May 26, 2005
Last updated in NPPES Dec 11, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207WX0109X Neuro-ophthalmology Physician Allopathic & Osteopathic Physicians · License MD30630 (DC) Secondary
2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License D0052447 (MD) 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.

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Frequently asked questions

What is the NPI number for David Katz?
The National Provider Identifier (NPI) for David Katz is 1740283480, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Katz practice?
The practice location on file with NPPES is in N Bethesda, MD. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-11.