Tomoko Okada
Internal Medicine Physician · Jamaica Plain, MA
Tomoko Okada is an internal medicine physician with a practice address in Jamaica Plain, Massachusetts, and NPI 1609293554, issued on Mar 27, 2014. Check the license (Massachusetts 273671, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Tomoko Okada
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 273671 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1153 Centre St, Jamaica Plain, MA 02130
- Phone
- (617) 638-6500
- Enumerated
- Mar 27, 2014
- Record last updated
- Jul 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180719000597); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1153 Centre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tomoko Okada in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average internal medicine physician in 2024
3,405 Medicare Part D claims for 337 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Atorvastatin Calcium347 claims
- Amlodipine Besylate258 claims
- Lisinopril195 claims
- Omeprazole140 claims
- Levothyroxine Sodium122 claims
- Hydrochlorothiazide85 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Brigham And Womens Physicians Organization IncJamaica Plain, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tomoko Okada among 6,825 internal medicine physician records in Massachusetts
Tomoko Okada is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2004 among the 4,103 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 internal medicine physician records list a practice address in Jamaica Plain
They are 53 of the 1,656 NPPES records with a practice address in Jamaica Plain, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Jamaica Plain → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Salah Alrakawi, MDJamaica Plain, MA 021301760467526
- Ashok Bhargava, MDBoston, MA 021301073595864
- Nhan Do, MDBoston, MA 021301750353967
- Staci Eisenberg, MDJamaica Plain, MA 021301033109301
- John Jewett, M.D.Jamaica Plain, MA 021301801871116
- Deborah Levy, M.D.Jamaica Plain, MA 021301659332674
- Armin Lilienfeld, MDJamaica Plain, MA 021301083604615
- Roger Mark, MDJamaica Plain, MA 021301326037219
Common questions
What is Tomoko Okada's NPI number?
Tomoko Okada's National Provider Identifier (NPI) is 1609293554, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tomoko Okada located?
The NPPES record lists a practice address at 1153 Centre St, Jamaica Plain, MA, 02130. Phone: (617) 638-6500. Providers update this record themselves, so call before visiting.
How can I verify Tomoko Okada's license?
NPPES lists Massachusetts license number 273671, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tomoko Okada prescribe under Medicare Part D?
In 2024, Tomoko Okada had 3,405 Medicare Part D claims for 337 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.