Jenifer Lynn Marks, MD

NPI 1538233754ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Loveland, CO

Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Loveland, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2003). Mostly services rather than prescriptions: Medicare paid $12,552 for 25 patients in 2024, with only 33 Part D claims. Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $1,818 in all, mostly food and beverage.

Overview

NPI	1538233754
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Nov 20, 2006
Last updated in NPPES	Mar 28, 2025
Certified by provider	Mar 28, 2025

Specialties and licenses

Taxonomy	Code	License	State
Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary	208G00000X	DR.0052526	CO

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 - Thoracic Surgery (CO)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	25
Services billed	48 across 15 procedure codes
Paid by Medicare	$12,552

Part D prescriptions in 2024

Prescriptions (claims)	33 · 33 30-day fills
Patients	18
Total drug cost	$262.69
Generic share	100% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Colorado School of Medicine, Denver
Graduation year	2003
Medicare specialty	Thoracic Surgery
Secondary specialties	Cardiac Surgery, General Surgery