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Gina R. Hanissian, MD

NPI 1710053327ActiveIndividual· Internal Medicine· Collierville, TN

Internal Medicine (MD) in Collierville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $608,417 for 6,054 claims, against $187,054 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 34 companies reporting payments in 2025, $3,915 in all, mostly food and beverage.

Overview

NPI1710053327
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 27, 2006
Last updated in NPPESJan 26, 2010

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients454
Services billed11,280 across 158 procedure codes
Paid by Medicare$187,054

Part D prescriptions in 2024

Prescriptions (claims)6,054 · 12,678 30-day fills
Patients561
Total drug cost$608,417
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Tennessee, Hsc, College of Medicine
Graduation year1995
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,915 · 264 payments from 34 companies
  • 2024$3,993 · 262 payments from 23 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$499.3734
Abbvie Inc.$422.7049
Lilly USA, LLC$334.3920
Novo Nordisk Inc$304.0616
Amgen Inc.$275.0917

What the 2025 payments were for

  • Food and Beverage$3,915 · 264 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Collierville

All Internal Medicine providers in Tennessee →