Marlen Vanessa Piersall, PA-C

NPI 1003365602ActiveIndividual· Physician Assistant· Dallas, TX

Physician Assistant (PA-C) in Dallas, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2007). 46 Medicare patients in 2024, $5,971 paid; nearly all of their 154 Part D prescriptions were generic (91%). Novo Nordisk Inc reported $20.82 in payments in 2024, mostly food and beverage.

Overview

NPI	1003365602
Status	Active
Entity type	Individual
Credential	PA-C
Sole proprietor	No
NPI issued	Sep 25, 2016
Last updated in NPPES	May 12, 2024
Certified by provider	May 12, 2024

Specialties and licenses

Taxonomy	Code	License	State
Physician Assistant Primary	363A00000X	PA12506	TX
Physician Assistant	363A00000X	PA20160088	NM

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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Physician Assistant (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	46
Services billed	60 across 9 procedure codes
Paid by Medicare	$5,971

Part D prescriptions in 2024

Prescriptions (claims)	154 · 206 30-day fills
Patients	69
Total drug cost	$1,140
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Southwestern Medical School at Dallas
Graduation year	2007
Medicare specialty	Physician Assistant
Telehealth	Offers telehealth