Jonathan Michael Tsai, MD, PHD
Clinical Pathology Physician · Boston, MA
Jonathan Michael Tsai, MD, PHD is a clinical pathology physician with a practice address in Boston, Massachusetts, and NPI 1518462761, issued on Mar 29, 2018. Check the license (Massachusetts 287828, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Michael Tsai
- Credential
- MD, PHD
- Primary taxonomy
- Clinical Pathology Physician 207ZC0006X
- License number
- 287828 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 732-5500
- Enumerated
- Mar 29, 2018
- Record last updated
- Mar 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20230412002020); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest clinical pathology physician records → All 40 in Massachusetts → Look up another NPI →
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Jonathan Michael Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Jonathan Michael Tsai among 40 clinical pathology physician records in Massachusetts
Jonathan Michael Tsai, MD, PHD is one of 40 clinical pathology physician records with a practice address in Massachusetts. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.
- NPI issued2018 · 68% of these records are older, 25% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2013 among the 28 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0006X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology Physician providers in Massachusetts
There are 40 clinical pathology physician records in Massachusetts.
All 40 in Massachusetts → Every provider in Boston → Clinical Pathology Physician nationwide →
The 8 clinical pathology physician records with the nearest ZIP codes
- Sankha Basu, M.D., PH.DBoston, MA 021151982028379
- Phoenix BellBoston, MA 021151235668641
- Jeffrey Gagan, M.D./PH.D.Boston, MA 021151265835839
- Georg Gerber, M.D., PH.D.Boston, MA 021151083856645
- Christopher Hergott, MD, PHDBoston, MA 021151114448958
- William Lane, M.D., PH.D.Boston, MA 021151609018191
- Vinay Mahajan, M.B.B.S, PH.D.Boston, MA 021151508005232
- David Miller, MDBoston, MA 021151710942909
Common questions
What is Jonathan Michael Tsai, MD, PHD's NPI number?
Jonathan Michael Tsai, MD, PHD's National Provider Identifier (NPI) is 1518462761, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Michael Tsai, MD, PHD located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Michael Tsai, MD, PHD's license?
NPPES lists Massachusetts license number 287828, 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.
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.