Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Ronald Derr, MD

Diagnostic Radiology Physician in Madison, MS · enumerated 2006.

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

National Provider Identifier

1487683991

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Registry record

Entity type Individual (Type 1)

Name Dr. David Ronald Derr

Credential MD

Sex Male

Practice address 807 Steels Pointe, Madison, MS, 39110

Phone (601) 331-5934

Fax (601) 815-1854

Enumeration date Jun 30, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 44204 (TN) Primary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 18738 (MS) Secondary

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
P00261751	Other	MS	RAILROAD MEDICARE
01536317	Medicaid	MS	-
512G700003	Other	MS	MS MEDCIARE - GROUP

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

Is NPI 1487683991 active?

Yes, as of the latest NPPES snapshot, NPI 1487683991 is active (record last updated 2022-07-21).

How do I verify David Derr's NPI record?

Cross-check NPI 1487683991 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.