Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. David Jon Landy, MD

Q: What is the NPI number for David Landy?

The National Provider Identifier (NPI) for David Landy is 1003861816, a Type 1 (individual) record in the CMS NPPES registry.

Gastroenterology Physician in Birmingham, AL · enumerated 2006.

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

National Provider Identifier

1003861816

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Registry record

Entity type Individual (Type 1)

Name Mr. David Jon Landy

Credential MD

Sex Male

Practice address 1 Independence Plaza, Suite 900, Birmingham, AL, 35209

Phone (205) 271-8000

Fax (205) 879-0548

Enumeration date May 23, 2006

Last updated in NPPES Oct 5, 2010

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 00023233 (AL) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 23233 (AL) 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
51093462	Other	AL	BLUE CROSS PROVIDER NUMBE
538800240	Medicaid	AL	-
000093462	Medicaid	AL	-
2911000	Other	AL	UNITED HEALTHCARE PROVIDE
23233	Other	-	MEDICAL STATE LICENSE
G01858	Other	AL	HEALTHSPRINGS PROVIDER NU

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 David Landy?

The National Provider Identifier (NPI) for David Landy is 1003861816, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Landy practice?

The practice location on file with NPPES is in Birmingham, AL. 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 2010-10-05.