NPI Portal NPI Lookup & Verification

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

Dr. Billy Lee Duke II, MD

Maternal & Fetal Medicine Physician in Indialantic, FL · enumerated 2005.

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

National Provider Identifier

1861479354

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Billy Lee Duke II
Credential MD
Sex Male
Practice address Indialantic, FL, 32903
Phone (321) 615-1744
Enumeration date Dec 27, 2005
Last updated in NPPES Feb 16, 2010

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

Taxonomy & licenses

207VM0101X Maternal & Fetal Medicine Physician Allopathic & Osteopathic Physicians · License MD35803 (TN) Primary
207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License ME102267 (FL) 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
1051926 Other TN CIGNA
4071531 Other TN BLUE CROSS/BLUE SHIELD
3878282 Medicaid TN -
4071531 Medicaid TN -
5339029 Other TN AETNA HMO/PPO

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 Billy Duke?
The National Provider Identifier (NPI) for Billy Duke is 1861479354, a Type 1 (individual) record in the CMS NPPES registry.
Where does Billy Duke practice?
The practice location on file with NPPES is in Indialantic, FL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-16.