Woojin Kim, MD

NPI 1134387111ActiveIndividual· Internal Medicine· Boston, MA

Internal Medicine (MD) in Boston, Massachusetts, trained at Warren Alpert Medical School of Brown University (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $49,492 for 493 claims, against $3,532 paid for services in 2024. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $2,198 in all, mostly travel and lodging.

Overview

NPI	1134387111
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	Yes
NPI issued	May 27, 2008
Last updated in NPPES	Oct 22, 2021
Certified by provider	Oct 22, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	230664	MA

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 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	16
Services billed	25 across 13 procedure codes
Paid by Medicare	$3,532

Part D prescriptions in 2024

Prescriptions (claims)	493 · 1,022 30-day fills
Patients	193
Total drug cost	$49,492
Generic share	97% of claims

Medicare sources and data years

Education and affiliations

Medical school	Warren Alpert Medical School of Brown University
Graduation year	2006
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine