Frederic Dewil, MD

NPI 1790711810ActiveIndividual· Internal Medicine, Pulmonary Disease· Manahawkin, NJ

Internal Medicine, Pulmonary Disease (MD) in Manahawkin, New Jersey, trained at State University of New York at Stony Brook, School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $395,114 for 1,082 claims, against $141,379 paid for services in 2024. Insmed, Inc. was the largest of 2 companies reporting payments in 2025, $103.55 in all, mostly food and beverage.

Overview

NPI	1790711810
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 23, 2006
Last updated in NPPES	Aug 29, 2012

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	MA59306	NJ

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 - Internal Medicine (NJ)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	528
Services billed	1,955 across 30 procedure codes
Paid by Medicare	$141,379

Part D prescriptions in 2024

Prescriptions (claims)	1,082 · 1,487 30-day fills
Patients	143
Total drug cost	$395,114
Generic share	38% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Stony Brook, School of Medicine
Graduation year	1986
Medicare specialty	Internal Medicine
Secondary specialties	Critical Care (Intensivists), Pulmonary Disease, Sleep Medicine