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Dr. Grace Y. Gu, M.D

Addiction Medicine (Addiction Medicine (Family Medicine) Physician)

At a glance

In the NPI registry since
2017

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2017Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Addiction Medicine (Family Medicine) Physician primary
    NY license 307602

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Addiction Medicine per capita by county →

Other Addiction Medicine clinicians in New York

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 30, 2023), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1114454899. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.