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Dr. Tomoko Okada

Internal Medicine (Internal Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
188

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

  • 2014Medical school: Boston University School of Medicine
  • 2014Registered 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
    MA license 273671
  • 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: Internal Medicine 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
188
Services billed
645
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes166127
Established patient office or other outpatient visit, 20-29 minutes9182
Established patient office or other outpatient visit, 40-54 minutes8467
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit6363
Telephone medical discussion with physician, 21-30 minutes3735
Administration of influenza virus vaccine2626
Influenza vaccine split virus, preservative free2020
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use1515
Administration of pneumococcal vaccine1515
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit1212

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.

Other Internal Medicine clinicians in Jamaica Plain

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 16, 2018), 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 1609293554. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.