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Chienyi Ruby Williams, M.D.

NPI 1437474863ActiveIndividual· Internal Medicine, Pulmonary Disease· Tallahassee, FL

Internal Medicine, Pulmonary Disease (M.D.) with Tallahassee Memorial Healthcare Inc, practicing in Tallahassee, Florida. Their prescriptions cost Medicare Part D more than their services did: $1,041,921 for 1,452 claims, against $130,724 paid for services in 2024. Medtronic, Inc. was the largest of 20 companies reporting payments in 2025, $1,417 in all, mostly food and beverage. Lists Tallahassee Memorial Healthcare as a hospital affiliation.

Overview

NPI1437474863
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMar 29, 2010
Last updated in NPPESMar 9, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Pulmonary Disease Primary207RP1001XME131048FL
Student in an Organized Health Care Education/Training Program390200000XTRN#14952—

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 - Pulmonary Disease (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients541
Services billed1,217 across 35 procedure codes
Paid by Medicare$130,724

Part D prescriptions in 2024

Prescriptions (claims)1,452 · 2,108 30-day fills
Patients204
Total drug cost$1,041,921
Generic share47% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyPulmonary Disease
Secondary specialtiesCritical Care (Intensivists)

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,417 · 44 payments from 20 companies
  • 2024$1,076 · 50 payments from 13 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$165.481
Jazz Pharmaceuticals Inc.$145.116
Ethicon Inc.$140.611
Pulmonx Corporation$129.111
Harmony Biosciences LLC$125.303

What the 2025 payments were for

  • Food and Beverage$1,352 · 43 payments
  • Education$64.99 · 1 payment

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

Other pulmonologists in Tallahassee

All pulmonologists in Florida