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Grant Tyler Pierson, D.O.

NPI 1699034900ActiveIndividual· Internal Medicine, Pulmonary Disease· Joplin, MO

Internal Medicine, Pulmonary Disease (D.O.) in Joplin, Missouri, trained at Kansas City University of Physicians and Surgeons (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $2,482,759 for 2,976 claims, against $75,542 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $35,203 in all, mostly speaking and faculty fees.

Overview

NPI1699034900
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedMay 7, 2012
Last updated in NPPESMar 8, 2024
Certified by providerMar 8, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Pulmonary Disease Primary207RP1001X2015044739MO
Internal Medicine, Critical Care Medicine207RC0200X2015044739MO
Internal Medicine, Sleep Medicine207RS0012X05-40714KS
Internal Medicine, Sleep Medicine207RS0012XDR.0055410CO
Internal Medicine, Critical Care Medicine207RC0200X05-40714KS
Internal Medicine, Pulmonary Disease207RP1001X05-40714KS
Internal Medicine, Sleep Medicine207RS0012X2015044739MO
Internal Medicine, Sleep Medicine207RS0012X34.011461OH

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 (CO); Practitioner - Pulmonary Disease (KS); Practitioner - Pulmonary Disease (MO); Practitioner - Sleep Medicine (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients572
Services billed1,458 across 41 procedure codes
Paid by Medicare$75,542

Part D prescriptions in 2024

Prescriptions (claims)2,976 · 3,951 30-day fills
Patients476
Total drug cost$2,482,759
Generic share47% of claims

Medicare sources and data years

Education and affiliations

Medical schoolKansas City University of Physicians and Surgeons
Graduation year2012
Medicare specialtyPulmonary Disease
Secondary specialtiesCritical Care (Intensivists), Sleep Medicine

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$35,203 · 72 payments from 6 companies
  • 2024$39,322 · 65 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$28,05341
Ethicon Inc.$6,37921
Medical Device Business Services, Inc.$464.904
Jazz Pharmaceuticals Inc.$203.654
Inspire Medical Systems, Inc.$82.791

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$27,130 · 14 payments
  • Consulting Fee$5,431 · 6 payments
  • Food and Beverage$1,775 · 48 payments
  • Travel and Lodging$866.38 · 4 payments

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

Other pulmonologists in Joplin

All pulmonologists in Missouri