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Diana E. Lake, MD

NPI 1346211380ActiveIndividual· Internal Medicine, Hematology· New York, NY

Internal Medicine, Hematology (MD) in New York, New York, trained at Chicago College of Medicine and Surgery (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $1,332,218 for 769 claims, against $45,495 paid for services in 2024.

Overview

NPI1346211380
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 29, 2006
Last updated in NPPESOct 19, 2026
Certified by providerOct 19, 2026

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 - Medical Oncology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients196
Services billed510 across 11 procedure codes
Paid by Medicare$45,495

Part D prescriptions in 2024

Prescriptions (claims)769 · 1,603 30-day fills
Patients203
Total drug cost$1,332,218
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolChicago College of Medicine and Surgery
Graduation year1972
Medicare specialtyMedical Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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