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Michelle Warren, MD

NPI 1710034061ActiveIndividual· Obstetrics & Gynecology, Reproductive Endocrinology· New York, NY

Opted out of Medicare from August 2025 to August 2027. Obstetrics & Gynecology, Reproductive Endocrinology (MD) in New York, New York, trained at Js Weill Medical College, Cornell University (class of 1965). Their prescriptions cost Medicare Part D more than their services did: $78,992 for 434 claims, against $11,768 paid for services in 2024. Millicent US Inc was the largest of 3 companies reporting payments in 2025, $110.25 in all, mostly food and beverage.

Overview

NPI1710034061
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJan 5, 2007
Last updated in NPPESJul 26, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology, Reproductive Endocrinology Primary207VE0102X097361-1NY

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Aug 1, 2025 – Aug 1, 2027
Can order and referYes
Accepts assignmentYes (participating)

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Medicare services in 2024

Medicare patients62
Services billed90 across 3 procedure codes
Paid by Medicare$11,768

Part D prescriptions in 2024

Prescriptions (claims)434 · 1,029 30-day fills
Patients74
Total drug cost$78,992
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJs Weill Medical College, Cornell University
Graduation year1965
Medicare specialtyEndocrinology
Secondary specialtiesInternal Medicine

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$110.25 · 5 payments from 3 companies
  • 2024$163.03 · 8 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Millicent US Inc$64.533
Lilly USA, LLC$24.831
Ascendis Pharma Endocrinology Inc$20.891

What the 2025 payments were for

  • Food and Beverage$110.25 · 5 payments

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

Other Obstetrics & Gynecology, Reproductive Endocrinology providers in New York

All 153 Obstetrics & Gynecology, Reproductive Endocrinology providers in New York · All Obstetrics & Gynecology, Reproductive Endocrinology providers in New York