Skip to main content

Chanook Ahn, DMD

Periodontists (Periodontics)

1127 Wilshire Blvd
Los Angeles, CA 90017

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 (213) 481-0664

At a glance

In the NPI registry since
2013

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

  • 2013Registered 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

  • Periodontics primary
    CA license 101227
  • Student in an Organized Health Care Education/Training Program

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

Map: Periodontists per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Amoxicillin
Other prescribers in Los Angeles, CA
22

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $76,980 in total to this clinician.

By company
Hiossen, Inc.$76,980
By type
Honoraria$76,980

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Oct 31, 2025Hiossen, Inc.
Oct 31, 2025
Honoraria$76,980

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

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 Periodontists clinicians in Los Angeles

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 27, 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 1699113050. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.