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Dr. Derek Tai

Internal Medicine (Internal Medicine Physician)

4867 W Sunset Blvd
Los Angeles, CA 90027

Who else practices at this address →

Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas

Call (833) 574-2273

At a glance

Years since graduation
3
In the NPI registry since
2023

Licensed in California since 2024, according to the Osteopathic Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

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

  • 2023Medical school: Touro Un College of Osteopathic Medicine, Vallejo
  • 2023Registered with an NPI (national billing number; not a license date)

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

  • Internal Medicine Physician primary
    CA license 20A23142 (first issued 2024; current)

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

Map: Internal Medicine per capita by county →

Payments from drug and device companies

In 2025, 5 companies reported 7 payments worth $782 in total to this clinician.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in California →

Other Internal Medicine clinicians in Los Angeles

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 3, 2026), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1639874969. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.