Dr. Leo Lee Tsai, MD, MS, PhD
- Medicare services, 2024
- 4,607
- Medicare patients, 2024
- 2,050
- Hospital affiliations
- 6
- Industry payments
- $2,364
- Medical groups
- 7
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tsai's professional email, personal email and mobile number
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Dr. Leo Lee Tsai is a diagnostic radiologist in Boston, Massachusetts
Dr. Tsai practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Tsai's NPI, 1720250228, was assigned on March 25, 2008. Dr. Tsai graduated from Harvard Medical School in 2008. Dr. Tsai holds Massachusetts license 236117.
- NPI
- 1720250228NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800011974
- NPI enumeration date
- March 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leo Lee Tsai practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Tsai's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Leo Lee Tsai is affiliated with 6 sites of care and 7 medical groups
Dr. Tsai's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Tsai is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Tsai to 4 more hospitals and 6 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leo Lee Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +5 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leo Lee Tsai is one of 1,246 diagnostic radiologists in Massachusetts
Diagnostic radiology is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Tsai is licensed in Massachusetts.
Specialties and state licenses
- Diagnostic radiology, MassachusettsPrimary
Diagnostic radiologists near Dr. Tsai
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leo Lee Tsai billed Medicare for 4,607 services in 2024
CMS data shows 4,607 Medicare services from Dr. Tsai across 23 procedure codes in 2024, for 2,050 Medicare patients. Medicare paid $120,015 for them.
Dr. Tsai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 15,8872024: 2,29186%
- Imaging
- 2023: 1,9892024: 2,28115%
- Tests and treatments
- 2023: 632024: 3544%
Where Dr. Tsai's Medicare services took place, 2024
- In an office3,06567%
- In a facility1,54233%
Dr. Tsai compared with the Massachusetts median for diagnostic radiologists, 2024
- Dr. Tsai
- Massachusetts median
- Medicare services
- 4,607vs 2,2422.1 times
- Medicare patients
- 2,050vs 1,57130% above
Medians across 1,108 diagnostic radiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Tsai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tsai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsai and other diagnostic radiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leo Lee Tsai treated 2,050 Medicare patients in 2024, average age 74
CMS counts 2,050 Medicare patients who saw Dr. Tsai in 2024. The largest group is 65 to 74, with 850 patients. 74% of them have high blood pressure, and 74% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tsai's median patient age at 58, with 55% women.
Dr. Tsai's Medicare patients by age, 2024
Dr. Tsai's Medicare patients by sex, 2024
- Women1,04251%
- Men1,00849%
Chronic conditions among Dr. Tsai's Medicare patients, 2024
- High blood pressure74%
- High cholesterol74%
- Arthritis46%
- Anxiety34%
- Chronic kidney disease34%
- Ischemic heart disease34%
- Mood disorders33%
- Cancer32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Leo Lee Tsai takes part in Medicare
Dr. Tsai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leo Lee Tsai received $2,364 in industry payments from 2022 to 2025
CMS Open Payments shows 8 general payments to Dr. Tsai from 3 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 63% of the total. Guerbet LLC paid the most, $1,693.
General payments to Dr. Tsai by program year, 2022 to 2025
General payments to Dr. Tsai by kind, 2022 to 2025
- Consulting fees$1,50063%
- Food and beverage$50821%
- Travel and lodging$35615%
Companies that paid Dr. Tsai the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leo Lee Tsai graduated from Harvard Medical School
Dr. Tsai graduated from Harvard Medical School in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leo Lee Tsai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leo Lee Tsai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leo Lee Tsai's NPI number?
Dr. Leo Lee Tsai's NPI number is 1720250228. It was assigned on March 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo Lee Tsai?
Dr. Leo Lee Tsai is a diagnostic radiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Leo Lee Tsai practice?
Dr. Tsai practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Tsai's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Tsai to 4 hospitals and 6 medical groups.
What is Dr. Leo Lee Tsai's office phone number?
The practice phone on file for Dr. Tsai is (617) 667-7000.
What is Dr. Leo Lee Tsai's medical license number?
Dr. Tsai holds Massachusetts license 236117.
Which hospitals is Dr. Leo Lee Tsai affiliated with?
Dr. Tsai practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Tsai is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Tsai to 4 more hospitals.
What medical group is Dr. Leo Lee Tsai part of?
Dr. Tsai is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Tsai to 6 more medical groups.
Does Dr. Leo Lee Tsai accept Medicare?
Yes. CMS data shows Dr. Tsai billed Medicare for 4,607 services in 2024, and Dr. Tsai accepts Medicare assignment.
How many Medicare patients does Dr. Leo Lee Tsai see?
CMS counts 2,050 Medicare patients who saw Dr. Tsai in 2024, with an average age of 74.
What services does Dr. Leo Lee Tsai bill to Medicare?
In 2024, Dr. Tsai's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (74177) and diagnostic imaging (74183).
Show 3 more questionsShow fewer questions
Where did Dr. Leo Lee Tsai go to medical school?
Dr. Tsai graduated from Harvard Medical School in 2008.
Has Dr. Leo Lee Tsai received payments from drug or device companies?
CMS Open Payments shows $2,364 in general payments to Dr. Tsai from 3 companies from 2022 to 2025. The largest total came from Guerbet LLC.
How long has Dr. Leo Lee Tsai been practicing?
Dr. Tsai graduated from medical school in 2008, 18 years ago.
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