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Sonia Ralli Grewal, M.D.

NPI 1154512663ActiveIndividual· Internal Medicine· Newport Beach, CA

Internal Medicine (M.D.) with Naqvi and Naqvi MD Inc, practicing in Newport Beach, California. Their prescriptions cost Medicare Part D more than their services did: $1,548,331 for 3,760 claims, against $86,191 paid for services in 2024. Mannkind Corporation was the largest of 2 companies reporting payments in 2025, $61.84 in all, mostly education. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.

Overview

NPI1154512663
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 8, 2007
Last updated in NPPESMar 13, 2026
Certified by providerMar 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA95350CA

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 - Endocrinology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients350
Services billed925 across 9 procedure codes
Paid by Medicare$86,191

Part D prescriptions in 2024

Prescriptions (claims)3,760 · 8,652 30-day fills
Patients434
Total drug cost$1,548,331
Generic share43% of claims

Medicare sources and data years

Education and affiliations

Graduation year2004
Medicare specialtyEndocrinology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$61.84 · 2 payments from 2 companies
  • 2024$86.52 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Mannkind Corporation$42.501
Abbvie Inc.$19.341

What the 2025 payments were for

  • Education$42.50 · 1 payment
  • Food and Beverage$19.34 · 1 payment

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

Other internal medicine physicians in Newport Beach

All 138 internal medicine physicians in Newport Beach · All internal medicine physicians in California