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William Allen McCann, M. D.

NPI 1922098250ActiveIndividual· Allergy & Immunology· Asheville, NC

Allergy & Immunology (M. D.) in Asheville, North Carolina, trained at Georgetown University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $2,011,468 for 1,335 claims, against $106,490 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $130,137 in all, mostly speaking and faculty fees.

Overview

NPI1922098250
StatusActive
Entity typeIndividual
CredentialM. D.
Sole proprietorNo
NPI issuedOct 27, 2005
Last updated in NPPESSep 8, 2026
Certified by providerSep 8, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Allergy & Immunology Primary207K00000X9600253NC
Allergy & Immunology207K00000X59665KY
Allergy & Immunology207K00000X25MA11349600NJ

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 - Allergy/Immunology (KY); Practitioner - Allergy/Immunology (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients335
Services billed5,792 across 35 procedure codes
Paid by Medicare$106,490

Part D prescriptions in 2024

Prescriptions (claims)1,335 · 2,081 30-day fills
Patients188
Total drug cost$2,011,468
Generic share64% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year1994
Medicare specialtyAllergy/Immunology
Secondary specialtiesPediatric Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$130,137 · 130 payments from 8 companies
  • 2024$52,490 · 93 payments from 9 companies

Top paying companies in 2025

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$99,345 · 39 payments
  • Consulting Fee$16,728 · 8 payments
  • Travel and Lodging$10,209 · 30 payments
  • Food and Beverage$3,802 · 51 payments
  • Education$53.31 · 2 payments

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

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