NPI Lens

Ruth T. Lim, M.D.

NPI 1871587998ActiveIndividual· Pediatrics· Mesa, AZ

Opted out of Medicare from March 2019 to March 2027. Pediatrics (M.D.) in Mesa, Arizona, licensed in AZ, with an NPI issued in September 2005. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $1,755 in all, mostly food and beverage.

Overview

NPI1871587998
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedSep 2, 2005
Last updated in NPPESNov 16, 2020
Certified by providerNov 16, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Pediatrics Primary208000000XAZ10737AZ
Pediatrics208000000XAZ 10737AZ

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Mar 28, 2019 – Mar 28, 2027
Can order and referYes

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$1,755 · 18 payments from 14 companies
  • 2024$801.77 · 7 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$265.062
Medtronic, Inc.$230.382
Intra-Sana Laboratories$165.012
Biosense Webster, Inc.$144.651
Stemline Therapeutics Inc.$142.231

What the 2025 payments were for

  • Food and Beverage$1,755 · 18 payments

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

Other Pediatrics providers in Mesa

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