Skip to content

Ajit Singh Sawhney, M.D.

NPI 1114014438ActiveIndividual· Internal Medicine, Nephrology· Fountain Valley, CA

Internal Medicine, Nephrology (M.D.) with Balboa Nephrology Medical Group Inc, practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $292,188 for 1,666 claims, against $42,027 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 2 companies reporting payments in 2025, $134.15 in all, mostly education. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.

Overview

NPI1114014438
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedOct 6, 2006
Last updated in NPPESJan 16, 2026
Certified by providerJan 16, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XA25449CA

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 - Nephrology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients126
Services billed494 across 9 procedure codes
Paid by Medicare$42,027

Part D prescriptions in 2024

Prescriptions (claims)1,666 · 4,180 30-day fills
Patients222
Total drug cost$292,188
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year1968
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$134.15 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Mallinckrodt Hospital Products Inc.$99.991
Lilly USA, LLC$34.161

What the 2025 payments were for

  • Education$99.99 · 1 payment
  • Food and Beverage$34.16 · 1 payment

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

Other nephrologists in Fountain Valley

All 35 nephrologists in Fountain Valley · All nephrologists in California