Harnish Singh Chawla, M.D.

NPI 1841406097ActiveIndividual· Internal Medicine, Cardiovascular Disease· Philadelphia, PA

Internal Medicine, Cardiovascular Disease (M.D.) in Philadelphia, Pennsylvania, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $524,724 for 3,574 claims, against $278,334 paid for services in 2024. Medtronic, Inc. was the largest of 10 companies reporting payments in 2025, $426.14 in all, mostly food and beverage.

Overview

NPI	1841406097
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	May 15, 2007
Last updated in NPPES	May 26, 2013

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	MD437617	PA
Internal Medicine	207R00000X	MD437617	PA

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	1,991
Services billed	8,773 across 69 procedure codes
Paid by Medicare	$278,334

Part D prescriptions in 2024

Prescriptions (claims)	3,574 · 9,542 30-day fills
Patients	577
Total drug cost	$524,724
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Graduation year	2006
Medicare specialty	Internal Medicine
Secondary specialties	Cardiovascular Disease (Cardiology)