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James Heckmann, MD

NPI 1487660023ActiveIndividual· Internal Medicine, Hematology & Oncology· Mountain View, CA

Internal Medicine, Hematology & Oncology (MD) in Mountain View, California, trained at University of Kentucky College of Medicine (class of 1973). In 2024 Medicare paid $524,934 for 164 patients, and Part D covered 61 of their prescriptions, 38% of them generic. Astellas Pharma US Inc reported $22.47 in payments in 2025, mostly food and beverage.

Overview

NPI1487660023
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 1, 2006
Last updated in NPPESDec 1, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XG29205CA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients164
Services billed25,793 across 91 procedure codes
Paid by Medicare$524,934

Part D prescriptions in 2024

Prescriptions (claims)61 · 121 30-day fills
Patients12
Total drug cost$324,753
Generic share38% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Kentucky College of Medicine
Graduation year1973
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$22.47 · 1 payment from 1 company
  • 2024$52.92 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Astellas Pharma US Inc$22.471

What the 2025 payments were for

  • Food and Beverage$22.47 · 1 payment

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

Other hematologist-oncologists in Mountain View

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