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Allison Barbara Marengo, DO

NPI 1740778414ActiveIndividual· Internal Medicine, Nephrology· Pinehurst, NC

Internal Medicine, Nephrology (DO) in Pinehurst, North Carolina, trained at Michigan State University College of Osteopathic Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $165,577 for 853 claims, against $106,798 paid for services in 2024. Akebia Therapeutics Inc was the largest of 9 companies reporting payments in 2025, $414.82 in all, mostly food and beverage.

Overview

NPI1740778414
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedApr 27, 2018
Last updated in NPPESJun 28, 2023
Certified by providerJun 28, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X2023-01827NC
Internal Medicine207R00000X5151012830MI

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 (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients297
Services billed1,034 across 20 procedure codes
Paid by Medicare$106,798

Part D prescriptions in 2024

Prescriptions (claims)853 · 1,338 30-day fills
Patients207
Total drug cost$165,577
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMichigan State University College of Osteopathic Medicine
Graduation year2018
Medicare specialtyNephrology

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$414.82 · 14 payments from 9 companies
  • 2024$350.77 · 20 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$414.82 · 14 payments

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

Other nephrologists in Pinehurst

All nephrologists in North Carolina