Dr. Sarah V. Tsiaras, MD
- Medicare services, 2024
- 2,451
- Medicare patients, 2024
- 1,091
- Part D claims, 2024
- 2,728
- Publications
- 5
- Hospital affiliations
- 5
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tsiaras' professional email, personal email and mobile number
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Dr. Sarah V. Tsiaras is a cardiologist in Boston, Massachusetts
Dr. Tsiaras practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Tsiaras' NPI, 1205052297, was assigned on April 18, 2007. Dr. Tsiaras graduated from Harvard Medical School in 2004. Dr. Tsiaras holds Massachusetts license 246657.
- NPI
- 1205052297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678742681
- NPI enumeration date
- April 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sarah V. Tsiaras practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Tsiaras' primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Sarah V. Tsiaras is affiliated with 6 sites of care and 2 medical groups
Dr. Tsiaras' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Tsiaras is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Tsiaras to 3 more hospitals, 1 community health center and 1 medical group, 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. Sarah V. Tsiaras' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsiaras practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sarah V. Tsiaras is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Tsiaras' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Tsiaras is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Tsiaras
Counts of cardiologists 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. Sarah V. Tsiaras billed Medicare for 2,451 services in 2024
CMS data shows 2,451 Medicare services from Dr. Tsiaras across 19 procedure codes in 2024, for 1,091 Medicare patients. Medicare paid $145,172 for them.
Dr. Tsiaras' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1172024: 1,0774%
- Tests and treatments
- 2023: 1,3392024: 1,03623%
- Other services
- 2023: 02024: 338
Where Dr. Tsiaras' Medicare services took place, 2024
- In an office1,61266%
- In a facility83934%
Dr. Tsiaras compared with the Massachusetts median for cardiologists, 2024
- Dr. Tsiaras
- Massachusetts median
- Medicare services
- 2,451vs 1,61252% above
- Medicare patients
- 1,091vs 95614% above
- Part D claims
- 2,537vs 8463.0 times
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Tsiaras' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarah V. Tsiaras treated 1,091 Medicare patients in 2024, average age 77
CMS counts 1,091 Medicare patients who saw Dr. Tsiaras in 2024. The largest group is 75 to 84, with 451 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.98, 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. Tsiaras' median patient age at 73, with 52% women.
Dr. Tsiaras' Medicare patients by age, 2024
Dr. Tsiaras' Medicare patients by sex, 2024
- Women54850%
- Men54350%
Chronic conditions among Dr. Tsiaras' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease67%
- Arthritis49%
- Atrial fibrillation46%
- Heart failure46%
- Chronic kidney disease39%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsiaras' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sarah V. Tsiaras wrote 2,728 Medicare Part D claims in 2024
In 2024, Dr. Tsiaras wrote 2,728 Medicare Part D claims for 498 patients. 83% of them were for generic drugs. CMS names the drug for 2,537 of them, across 34 drugs with 11 or more claims each, at $562,949 in total drug cost. In 2023, CMS named 2,244 claims across 33 drugs.
Dr. Tsiaras' Part D claims by kind of drug, 2024
- Generic2,262 claims83%
- Brand-name466 claims17%
Dr. Tsiaras' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Tsiaras' Part D claims, 2024
- Antibiotics1%14 of 2,728 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2442024: 2,53713%
Drugs named by CMS: 34 in 2024, 33 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Sarah V. Tsiaras offers telehealth to Medicare patients
Dr. Tsiaras accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsiaras as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sarah V. Tsiaras has 5 publications on record
Dmand AI links 5 papers to Dr. Tsiaras, published from 2011 to 2025. The most frequent topics are Coronary Angiography. Dr. Tsiaras' most frequent co-authors are Brian Burns Ghoshhajra, MD, Lucy Michelle Safi, DO and Malissa J. Wood, MD.
Dr. Tsiaras' papers by year, 2011 to 2025
Topics Dr. Tsiaras writes about most
- Coronary Angiography
Dr. Tsiaras' most frequent co-authors
- Brian Burns Ghoshhajra, MD2 shared papers
- Lucy Michelle Safi, DO2 shared papers
- Malissa J. Wood, MD2 shared papers
Recent publications by Dr. Tsiaras
J Nucl Cardiol
See who Dr. Tsiaras researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsiaras works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sarah V. Tsiaras received $73 in industry payments from 2019 to 2024
CMS Open Payments shows 2 general payments to Dr. Tsiaras from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $56.
General payments to Dr. Tsiaras by program year, 2019 to 2024
Companies that paid Dr. Tsiaras the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sarah V. Tsiaras graduated from Harvard Medical School
Dr. Tsiaras graduated from Harvard Medical School in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sarah V. Tsiaras'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sarah V. Tsiaras
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. Sarah V. Tsiaras' NPI number?
Dr. Sarah V. Tsiaras' NPI number is 1205052297. It was assigned on April 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarah V. Tsiaras?
Dr. Sarah V. Tsiaras is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Sarah V. Tsiaras practice?
Dr. Tsiaras practices at 55 Fruit Street, Boston, MA 02114. Dr. Tsiaras' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Tsiaras to 3 hospitals, 1 community health center and 1 medical group.
What is Dr. Sarah V. Tsiaras' office phone number?
The practice phone on file for Dr. Tsiaras is (617) 726-2000.
What is Dr. Sarah V. Tsiaras' medical license number?
Dr. Tsiaras holds Massachusetts license 246657.
Which hospitals is Dr. Sarah V. Tsiaras affiliated with?
Dr. Tsiaras practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Tsiaras is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Tsiaras to 3 more hospitals.
What medical group is Dr. Sarah V. Tsiaras part of?
Dr. Tsiaras is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Tsiaras to 1 more medical group.
Does Dr. Sarah V. Tsiaras accept Medicare?
Yes. CMS data shows Dr. Tsiaras billed Medicare for 2,451 services in 2024, and Dr. Tsiaras accepts Medicare assignment.
Does Dr. Sarah V. Tsiaras offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tsiaras as offering telehealth services.
How many Medicare patients does Dr. Sarah V. Tsiaras see?
CMS counts 1,091 Medicare patients who saw Dr. Tsiaras in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. Sarah V. Tsiaras bill to Medicare?
In 2024, Dr. Tsiaras' most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and medicare service (G2211).
Where did Dr. Sarah V. Tsiaras go to medical school?
Dr. Tsiaras graduated from Harvard Medical School in 2004.
What drugs does Dr. Sarah V. Tsiaras prescribe most?
In 2024 Medicare Part D data, Dr. Tsiaras' most prescribed drugs by claims were Metoprolol Succinate, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Sarah V. Tsiaras received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Tsiaras from 2 companies from 2019 to 2024. The largest total came from GE Healthcare.
How long has Dr. Sarah V. Tsiaras been practicing?
Dr. Tsiaras graduated from medical school in 2004, 22 years ago.
Does Dr. Sarah V. Tsiaras do research?
Dmand AI links 5 publications to Dr. Tsiaras, published from 2011 to 2025.
Who does Dr. Sarah V. Tsiaras publish with?
Dr. Tsiaras' most frequent co-authors are Brian Burns Ghoshhajra, MD (2 shared papers), Lucy Michelle Safi, DO (2 shared papers) and Malissa J. Wood, MD (2 shared papers).
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