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Douglas Milan Maready, M.D.

NPI 1689876252ActiveIndividual· Internal Medicine· Mesa, AZ

Internal Medicine (M.D.) in Mesa, Arizona, trained at Tulane University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $1,031,708 for 4,108 claims, against $231,525 paid for services in 2024. Intra-Sana Laboratories was the largest of 18 companies reporting payments in 2025, $7,396 in all, mostly honoraria.

Overview

NPI1689876252
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 5, 2007
Last updated in NPPESJan 10, 2026
Certified by providerJan 10, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X54000AZ

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 (AZ); Practitioner - Internal Medicine (UT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients414
Services billed3,958 across 67 procedure codes
Paid by Medicare$231,525

Part D prescriptions in 2024

Prescriptions (claims)4,108 · 10,179 30-day fills
Patients473
Total drug cost$1,031,708
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTulane University School of Medicine
Graduation year2006
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$7,396 · 78 payments from 18 companies
  • 2024$2,171 · 88 payments from 18 companies

Top paying companies in 2025

What the 2025 payments were for

  • Honoraria$5,500 · 3 payments
  • Food and Beverage$1,896 · 75 payments

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

Other Internal Medicine providers in Mesa

All Internal Medicine providers in Arizona →