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Philip Edward Lammers, M.D.

NPI 1780802330ActiveIndividual· Internal Medicine, Hematology & Oncology· Bartlett, TN

Internal Medicine, Hematology & Oncology (M.D.) in Bartlett, Tennessee, trained at Indiana University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $2,451,648 for 951 claims, against $95,078 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 41 companies reporting payments in 2025, $65,939 in all, mostly speaking and faculty fees.

Overview

NPI1780802330
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 20, 2007
Last updated in NPPESJan 7, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X45570TN

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 - Hematology/Oncology (MS); Practitioner - Hematology/Oncology (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients452
Services billed1,756 across 19 procedure codes
Paid by Medicare$95,078

Part D prescriptions in 2024

Prescriptions (claims)951 · 1,419 30-day fills
Patients218
Total drug cost$2,451,648
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIndiana University School of Medicine
Graduation year2006
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$65,939 · 193 payments from 41 companies
  • 2024$49,174 · 195 payments from 40 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$41,545 · 18 payments
  • Consulting Fee$17,740 · 11 payments
  • Food and Beverage$3,853 · 156 payments
  • Travel and Lodging$2,801 · 8 payments

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

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