NPI Lens

Thomas I. Kanomata, MD

NPI 1659336543ActiveIndividual· Internal Medicine· Grass Valley, CA

Internal Medicine (MD) in Grass Valley, California, trained at Loma Linda University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,067,234 for 12,305 claims, against $308,734 paid for services in 2024.

Overview

NPI1659336543
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 20, 2006
Last updated in NPPESSep 16, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X66689GA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients700
Services billed4,815 across 53 procedure codes
Paid by Medicare$308,734

Part D prescriptions in 2024

Prescriptions (claims)12,305 · 25,593 30-day fills
Patients799
Total drug cost$1,067,234
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoma Linda University School of Medicine
Graduation year1990
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

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

Other internal medicine physicians in Grass Valley

All 29 internal medicine physicians in Grass Valley · All internal medicine physicians in California