David M. Butler, MD

NPI 1699861518ActiveIndividual· Internal Medicine· Casper, WY

Internal Medicine (MD) in Casper, Wyoming, trained at Georgetown University School of Medicine (class of 1999). Medicare paid $11,636 for services to 53 patients in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $203.87 in all, mostly food and beverage.

Overview

NPI	1699861518
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 5, 2006
Last updated in NPPES	Sep 30, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	A90360	CA
Internal Medicine, Cardiovascular Disease	207RC0000X	ME139309	FL
Internal Medicine, Critical Care Medicine	207RC0200X	ME139309	FL
Internal Medicine, Infectious Disease	207RI0200X	01082890A	IN
Internal Medicine, Infectious Disease	207RI0200X	ME139309	FL

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Critical Care (Intensivists) (CA); Practitioner - Critical Care (Intensivists) (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	53
Services billed	80 across 11 procedure codes
Paid by Medicare	$11,636

Medicare sources and data years

Education and affiliations

Medical school	Georgetown University School of Medicine
Graduation year	1999
Medicare specialty	Critical Care (Intensivists)
Secondary specialties	Infectious Disease