NPI Lens

Prudence Lam, MD

NPI 1942202320ActiveIndividual· Internal Medicine, Hematology & Oncology· Cambridge, MA

Internal Medicine, Hematology & Oncology (MD) in Cambridge, Massachusetts, trained at University of Vermont College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,296,923 for 354 claims, against $52,221 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $170.84 in all, mostly education.

Overview

NPI1942202320
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 15, 2005
Last updated in NPPESNov 7, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X217283MA
Internal Medicine207R00000X217283MA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients278
Services billed700 across 19 procedure codes
Paid by Medicare$52,221

Part D prescriptions in 2024

Prescriptions (claims)354 · 625 30-day fills
Patients83
Total drug cost$1,296,923
Generic share65% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Vermont College of Medicine
Graduation year2000
Medicare specialtyHematology/Oncology
Secondary specialtiesMedical Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$170.84 · 2 payments from 2 companies
  • 2024$26.65 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$99.001
Myriad Genetic Laboratories, Inc.$71.841

What the 2025 payments were for

  • Education$99.00 · 1 payment
  • Food and Beverage$71.84 · 1 payment

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

Other hematologist-oncologists in Cambridge

All hematologist-oncologists in Massachusetts