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Peter R. Chai, M.D.

NPI 1316267305ActiveIndividual· Emergency Medicine· Worcester, MA

Emergency Medicine (M.D.) with Brigham and Womens Physicians Organization Inc, practicing in Worcester, Massachusetts. Mostly services rather than prescriptions: Medicare paid $28,035 for 219 patients in 2024, with only 34 Part D claims. Pfizer Inc. reported $4,325 in payments in 2024, mostly speaking and faculty fees. Lists Brigham and Women Faulkner Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1316267305
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 2, 2010
Last updated in NPPESFeb 18, 2026
Certified by providerFeb 18, 2026

Specialties and licenses

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 - Emergency Medicine (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients219
Services billed245 across 27 procedure codes
Paid by Medicare$28,035

Part D prescriptions in 2024

Prescriptions (claims)34 · 34 30-day fills
Patients26
Total drug cost$3,146
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$4,325 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Pfizer Inc.$4,3251

What the 2024 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$4,325 · 1 payment

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

Other emergency medicine physicians in Worcester

All 216 emergency medicine physicians in Worcester · All emergency medicine physicians in Massachusetts