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Dr. Robert Bai, M.D.

Dermatology (Dermatology Physician)

1100 9th Ave
Seattle, WA 98101

Who else practices at this address →

King County includes primary care (5% of residents) and dental (4% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (206) 583-6025

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2016
Medicare patients seen, 2024
793

Licensed in Washington since 2020, according to the Washington State Department of Health. 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

  • 2016Registered 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

  • Dermatology Physician primary
    WA license 61033535 (first issued 2020; active)

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

Map: Dermatology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
793
Services billed
3,844
Patients’ average age
77
Most frequent Medicare services, 2023
ServiceTimesPatients
Destruction of precancer skin growth, 2-14 growths759227
Established patient office or other outpatient visit, 30-39 minutes648454
Destruction of precancer skin growth, 1 growth454343
Biopsy of related skin growth, first growth386322
Established patient office or other outpatient visit, 20-29 minutes347294
Biopsy of related skin growth, each additional growth200130
Destruction of skin growth, 1-14 growths163142
New patient office or other outpatient visit, 30-44 minutes159159
New patient office or other outpatient visit, 45-59 minutes138138
Insertion of needle into vein for collection of blood sample6054

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

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, 2 companies reported 3 payments worth $222 in total to this clinician.

By company
Organon LLC$154
Incyte Corporation$68.58
By type
Food and Beverage$222

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 Washington →

Other Dermatology clinicians in Seattle

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 24, 2020), 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 1477916948. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.