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Lydia Chryssa Alexander, M.D.

NPI 1578717237ActiveIndividual· Internal Medicine· San Francisco, CA

Internal Medicine (M.D.) in San Francisco, California, licensed in CA, with an NPI issued in November 2008. Part D covered 62 prescriptions written in 2024, 85% of them generic. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $92,691 in all, mostly speaking and faculty fees.

Overview

NPI1578717237
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 7, 2008
Last updated in NPPESNov 7, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA100407CA

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)

Part D prescriptions in 2024

Prescriptions (claims)62 · 143 30-day fills
Total drug cost$9,108
Generic share85% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$92,691 · 106 payments from 4 companies
  • 2024$34,141 · 43 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$47,688 · 47 payments
  • Consulting Fee$30,460 · 8 payments
  • Travel and Lodging$12,437 · 28 payments
  • Food and Beverage$2,106 · 23 payments

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

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