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Than S. Lin, D.O

NPI 1851524383ActiveIndividual· Internal Medicine· Monterey Park, CA

Internal Medicine (D.O) with Golden Pacific Nephrology Medical Clinic Inc, practicing in Monterey Park, California. Their prescriptions cost Medicare Part D more than their services did: $1,155,889 for 4,496 claims, against $285,515 paid for services in 2024. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $51.70 in all, mostly food and beverage. Lists Alhambra Hospital Medical Center and 4 other hospitals as hospital affiliations.

Overview

NPI1851524383
StatusActive
Entity typeIndividual
CredentialD.O
Sole proprietorYes
NPI issuedSep 1, 2009
Last updated in NPPESMay 22, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X20A10925CA
Internal Medicine, Nephrology207RN0300X20A10925CA

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 patients631
Services billed3,203 across 26 procedure codes
Paid by Medicare$285,515

Part D prescriptions in 2024

Prescriptions (claims)4,496 · 8,029 30-day fills
Patients536
Total drug cost$1,155,889
Generic share71% of claims

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$51.70 · 3 payments from 3 companies
  • 2024$306.91 · 4 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$50.04 · 2 payments
  • Education$1.66 · 1 payment

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

Other internal medicine physicians in Monterey Park

All 53 internal medicine physicians in Monterey Park · All internal medicine physicians in California