NPI Portal NPI Lookup & Verification

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

David Allen Butler, D.O.

Family Medicine Physician in Port Charlotte, FL · enumerated 2006.

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

National Provider Identifier

1639127996

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name David Allen Butler
Credential D.O.
Sex Male
Practice address Port Charlotte, FL, 33948
Phone (941) 629-3500
Fax (941) 979-9694
Enumeration date May 5, 2006
Last updated in NPPES May 7, 2026

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License OS10915 (FL) Primary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 2057 (WV) Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License OS10915 (FL) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
2516325 Medicaid OH -
3810001614 Medicaid WV -
001859054 Other - BLUE CROSS/BLUE SHIELD

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 Butler?
The National Provider Identifier (NPI) for David Butler is 1639127996, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Butler practice?
The practice location on file with NPPES is in Port Charlotte, FL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-07.