Doctor profile · Federal record

Dr. Jonathan Tsai, MD, PHD

Clinical Pathology Physician (CMS: Pathology) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1518462761
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-5500
Additional location
55 Fruit St
Boston, MA 021142621
(617) 726-2000
Mailing address
Department of Pathology, Brigham and Women's Hospital, 75 Francis Street
Boston, MA 02115

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
March 26, 2026
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207ZC0006X — NUCC code
State license (1)
Massachusetts #287828

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518462761. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
158
Distinct HCPCS
1
Medicare allowed
$7,930
HCPCS Description Services Patients Avg allowed
G0452 Molecular pathology procedure; physician interpretation and report 158 157 $50

In context: peer comparison

Among 5 peers in Boston Clinical Pathology Physician, average services per provider: 78. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Tsai's medical specialty?
Dr. Jonathan Tsai practices Clinical Pathology Physician in Boston, MA.
Where does Dr. Jonathan Tsai practice?
Dr. Jonathan Tsai practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Jonathan Tsai's NPI?
Dr. Jonathan Tsai's National Provider Identifier (NPI) is 1518462761, issued by NPPES.
Does Dr. Jonathan Tsai accept Medicare assignment?
Yes. Dr. Jonathan Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Tsai commonly perform?
Top Medicare-reported procedures in 2023: Molecular pathology procedure; physician interpretation and report (HCPCS G0452). Source: CMS Medicare Physician & Other Practitioners file.