William Raymond Chasse, MD

NPI 1811094220ActiveIndividual· Otolaryngology· Waterville, ME

Otolaryngology (MD) in Waterville, Maine, trained at Perelman School of Med at the University of Pennsylvania (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $61,996 for 175 claims, against $13,074 paid for services in 2024.

Overview

NPI	1811094220
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Sep 20, 2006
Last updated in NPPES	Oct 16, 2012

Specialties and licenses

Taxonomy	Code	License	State
Otolaryngology Primary	207Y00000X	11743	ME

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Otolaryngology (ME)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	141
Services billed	298 across 23 procedure codes
Paid by Medicare	$13,074

Part D prescriptions in 2024

Prescriptions (claims)	175 · 202 30-day fills
Patients	80
Total drug cost	$61,996
Generic share	89% of claims

Medicare sources and data years

Education and affiliations

Medical school	Perelman School of Med at the University of Pennsylvania
Graduation year	1979
Medicare specialty	Otolaryngology

Medical group

Mainegeneral Medical CenterWaterville, ME · 555 clinicians

Hospital affiliations

Maine General Medical CenterAugusta, ME
Redington Fairview General HospitalSkowhegan, ME

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records