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Christopher G. Ahnallen

NPI 1558429563ActiveIndividual· Psychologist, Clinical· Boston, MA

Psychologist, Clinical with Brigham and Womens Physicians Organization Inc, practicing in Boston, Massachusetts. Medicare paid $9,916 for services to 47 patients in 2024.

Overview

NPI1558429563
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedDec 4, 2006
Last updated in NPPESJul 14, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Psychologist, Clinical Primary103TC0700X9013MA

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 - Clinical Psychologist (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients47
Services billed408 across 9 procedure codes
Paid by Medicare$9,916

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyClinical Psychologist

Medical group

Source: CMS Care Compare

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