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Nathaniel S. Soper, MD

NPI 1639608987ActiveIndividual· Internal Medicine, Infectious Disease· Fremont, CA

Internal Medicine, Infectious Disease (MD) with Iha Health Services Corporation, practicing in Fremont, California. In 2024 Medicare paid $54,016 for 230 patients, and Part D covered 115 of their prescriptions, 87% of them generic. Lists Trinity Health Ann Arbor Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1639608987
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 9, 2017
Last updated in NPPESOct 22, 2026
Certified by providerOct 22, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Infectious Disease Primary207RI0200XA206168CA
Internal Medicine207R00000X4301502214MI
Hospitalist208M00000X4301502214MI

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); Practitioner - Infectious Disease (MI); Practitioner - Infectious Disease (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients230
Services billed562 across 14 procedure codes
Paid by Medicare$54,016

Part D prescriptions in 2024

Prescriptions (claims)115 · 133 30-day fills
Patients41
Total drug cost$34,220
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyInfectious Disease
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

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, Infectious Disease providers in Fremont

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