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Chaitanya Natvarsinh Mahida, M.D.

NPI 1639189616ActiveIndividual· Internal Medicine· Oakdale, CA

Internal Medicine (M.D.) with Chaitanya N. Mahida M.D., Inc, practicing in Oakdale, California. Their prescriptions cost Medicare Part D more than their services did: $1,536,386 for 18,293 claims, against $320,208 paid for services in 2024. Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $132.66 in all, mostly food and beverage. Lists Adventist Health Sonora and 3 other hospitals as hospital affiliations.

Overview

NPI1639189616
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 9, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA48275CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients689
Services billed7,889 across 55 procedure codes
Paid by Medicare$320,208

Part D prescriptions in 2024

Prescriptions (claims)18,293 · 32,994 30-day fills
Patients1,015
Total drug cost$1,536,386
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year1983
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$132.66 · 6 payments from 4 companies
  • 2024$104.93 · 5 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Abbott Laboratories$49.072
Glaxosmithkline, LLC.$41.102
Amgen Inc.$24.331
Novo Nordisk Inc$18.161

What the 2025 payments were for

  • Food and Beverage$132.66 · 6 payments

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

Other Internal Medicine providers in Oakdale

All Internal Medicine providers in California →