Joan E. Cain, MD

NPI 1043495732ActiveIndividual· Internal Medicine, Hematology & Oncology· Atlanta, GA

Internal Medicine, Hematology & Oncology (MD) in Atlanta, Georgia, trained at Perelman School of Med at the University of Pennsylvania (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $872,982 for 332 claims, against $14,913 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 23 companies reporting payments in 2025, $897.78 in all, mostly food and beverage.

Overview

NPI	1043495732
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 1, 2008
Last updated in NPPES	Jan 1, 2008

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	054598	GA

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 - Medical Oncology (GA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	122
Services billed	292 across 15 procedure codes
Paid by Medicare	$14,913

Part D prescriptions in 2024

Prescriptions (claims)	332 · 607 30-day fills
Patients	98
Total drug cost	$872,982
Generic share	77% of claims

Medicare sources and data years

Education and affiliations

Medical school	Perelman School of Med at the University of Pennsylvania
Graduation year	2001
Medicare specialty	Medical Oncology
Secondary specialties	Hematology/Oncology, Internal Medicine
Telehealth	Offers telehealth