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Michael John Lim, M.D.

NPI 1861787228ActiveIndividual· Orthopaedic Surgery· Los Angeles, CA

Orthopaedic Surgery (M.D.) in Los Angeles, California, trained at University of California, San Diego School of Medicine (class of 2009). 75 Medicare patients in 2024, $45,709 paid; nearly all of their 192 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 2 companies reporting payments in 2025, $358.26 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.

Overview

NPI1861787228
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 14, 2011
Last updated in NPPESApr 25, 2022
Certified by providerApr 25, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000XA117024CA

About license numbers in NPPES

Exclusion screening

Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.

Matched byName on OIG listExclusion typeExcluded sinceLocation
Name + stateMichael Lim · Nurse/Nurses Aide1128b4Aug 18, 2005Jackson, CA
ListResultDetails
HHS-OIG LEIE · Nov 10, 2026Possible (name)See above
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 - Orthopedic Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients75
Services billed6,017 across 26 procedure codes
Paid by Medicare$45,709

Part D prescriptions in 2024

Prescriptions (claims)192 · 198 30-day fills
Patients45
Total drug cost$3,068
Generic share99% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Diego School of Medicine
Graduation year2009
Medicare specialtyOrthopedic Surgery

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$358.26 · 3 payments from 2 companies
  • 2024$123.39 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Stryker Corporation$319.552
E.R. Squibb & Sons, L.L.C.$38.711

What the 2025 payments were for

  • Food and Beverage$358.26 · 3 payments

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

Other orthopedic surgeons in Los Angeles

All 267 orthopedic surgeons in Los Angeles · All orthopedic surgeons in California