NPI Lens

Clarence Premraj Allegakoen, M.D.

NPI 1205909637ActiveIndividual· Internal Medicine· Mountain View, CA

Internal Medicine (M.D.) in Mountain View, California, licensed in CA, with an NPI issued in November 2006. 253 Medicare patients in 2024, $209,046 paid; nearly all of their 372 Part D prescriptions were generic (90%). Lists El Camino Health as a hospital affiliation.

Overview

NPI1205909637
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedNov 15, 2006
Last updated in NPPESFeb 10, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA53837CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients253
Services billed1,821 across 4 procedure codes
Paid by Medicare$209,046

Part D prescriptions in 2024

Prescriptions (claims)372 · 482 30-day fills
Patients155
Total drug cost$25,333
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Graduation year1982
Medicare specialtyInternal Medicine

Hospital affiliation

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 physicians in Mountain View

All 134 internal medicine physicians in Mountain View · All internal medicine physicians in California