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Bala P. Annadurai, M.D.

NPI 1033100516ActiveIndividual· Internal Medicine· Fremont, CA

Internal Medicine (M.D.) in Fremont, California, licensed in CA, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $1,523,415 for 13,668 claims, against $326,804 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $642.08 in all, mostly food and beverage. Lists Stanford Health Care and 1 other hospital as hospital affiliations.

Overview

NPI1033100516
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 2, 2005
Last updated in NPPESJul 15, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA056197CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 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 patients408
Services billed5,169 across 21 procedure codes
Paid by Medicare$326,804

Part D prescriptions in 2024

Prescriptions (claims)13,668 · 23,647 30-day fills
Patients572
Total drug cost$1,523,415
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Graduation year1989
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$642.08 · 47 payments from 7 companies
  • 2024$326.33 · 18 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$642.08 · 47 payments

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

Other Internal Medicine providers in Fremont

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