Dr. Jenny Ying Xin Sun, MD
- Medicare services, 2024
- 1,071
- Medicare patients, 2024
- 384
- Part D claims, 2024
- 2,928
- Publications
- 10
- Hospital affiliations
- 5
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sun's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jenny Ying Xin Sun is an internist in Boston, Massachusetts
Dr. Sun practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Sun's NPI, 1902035280, was assigned on July 8, 2009. Dr. Sun graduated from Harvard Medical School in 2003. Dr. Sun holds Massachusetts license 230202.
- NPI
- 1902035280NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971757600
- NPI enumeration date
- July 8, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jenny Ying Xin Sun practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Sun's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Jenny Ying Xin Sun is affiliated with 8 sites of care and 2 medical groups
Dr. Sun's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Sun is also affiliated with Massachusetts General Hospital. The medical group on file is Atrius Health. Dmand AI also links Dr. Sun to 3 more hospitals, 1 group practice or clinic, 1 home health agency, 1 hospital outpatient department 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. Jenny Ying Xin Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jenny Ying Xin Sun is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sun is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Sun
Counts of internists 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. Jenny Ying Xin Sun billed Medicare for 1,071 services in 2024
CMS data shows 1,071 Medicare services from Dr. Sun across 19 procedure codes in 2024, for 384 Medicare patients. Medicare paid $79,169 for them. Every service was in an office.
Dr. Sun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5472024: 63516%
- Other services
- 2023: 732024: 187156%
- Lab and pathology
- 2023: 2122024: 18612%
- Surgery
- 2023: 342024: 4224%
- Tests and treatments
- 2023: 532024: 2160%
Dr. Sun compared with the Massachusetts median for internists, 2024
- Dr. Sun
- Massachusetts median
- Medicare services
- 1,071vs 4312.5 times
- Medicare patients
- 384vs 19498% above
- Part D claims
- 2,399vs 4026.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sun'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sun and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jenny Ying Xin Sun treated 384 Medicare patients in 2024, average age 73
CMS counts 384 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 174 patients. 70% of them have high cholesterol, and 64% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 62, with 74% women.
Dr. Sun's Medicare patients by age, 2024
Dr. Sun's Medicare patients by sex, 2024
- Women26970%
- Men11530%
Chronic conditions among Dr. Sun's Medicare patients, 2024
- High cholesterol70%
- High blood pressure64%
- Arthritis41%
- Anxiety26%
- Mood disorders23%
- Diabetes22%
- Depression21%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jenny Ying Xin Sun wrote 2,928 Medicare Part D claims in 2024
In 2024, Dr. Sun wrote 2,928 Medicare Part D claims for 390 patients. 88% of them were for generic drugs. CMS names the drug for 2,399 of them, across 65 drugs with 11 or more claims each, at $263,420 in total drug cost. In 2023, CMS named 1,681 claims across 49 drugs.
Dr. Sun's Part D claims by kind of drug, 2024
- Generic2,566 claims88%
- Brand-name351 claims12%
- Other11 claims0%
Dr. Sun's 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. Sun's Part D claims, 2024
- Opioids1%21 of 2,928 claims
- Antibiotics4%127 of 2,928 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: 1,6812024: 2,39943%
Drugs named by CMS: 65 in 2024, 49 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. Jenny Ying Xin Sun offers telehealth to Medicare patients
Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sun as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jenny Ying Xin Sun has 10 publications on record
Dmand AI links 10 papers to Dr. Sun, published from 2011 to 2013. 2011 was the busiest year, with 5. The most frequent topics are Atrial Fibrillation, Heart Failure and Myocardial Infarction. Dr. Sun's most frequent co-authors are Lisa Marie Sullivan, MD, Bryan Thomas Ciccarelli, MA, MD, PhD and Thomas T. Perls, MD, MPH.
Dr. Sun's papers by year, 2011 to 2013
Topics Dr. Sun writes about most
- Atrial Fibrillation
- Heart Failure
- Myocardial Infarction
Dr. Sun's most frequent co-authors
- Lisa Marie Sullivan, MD4 shared papers
- Bryan Thomas Ciccarelli, MA, MD, PhD2 shared papers
- Thomas T. Perls, MD, MPH2 shared papers
Recent publications by Dr. Sun
Eur J Heart Fail
J Gerontol B Psychol Sci Soc Sci
See who Dr. Sun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sun works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jenny Ying Xin Sun graduated from Harvard Medical School
Dr. Sun graduated from Harvard Medical School in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jenny Ying Xin Sun'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 |
| 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. Jenny Ying Xin Sun
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. Jenny Ying Xin Sun's NPI number?
Dr. Jenny Ying Xin Sun's NPI number is 1902035280. It was assigned on July 8, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jenny Ying Xin Sun?
Dr. Jenny Ying Xin Sun is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jenny Ying Xin Sun practice?
Dr. Sun practices at 75 Francis Street, Boston, MA 02115. Dr. Sun's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Sun to 3 hospitals, 1 group practice or clinic, 1 home health agency, 1 hospital outpatient department and 1 medical group.
What is Dr. Jenny Ying Xin Sun's office phone number?
The practice phone on file for Dr. Sun is (617) 732-5500.
What is Dr. Jenny Ying Xin Sun's medical license number?
Dr. Sun holds Massachusetts license 230202.
Which hospitals is Dr. Jenny Ying Xin Sun affiliated with?
Dr. Sun practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Sun is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Sun to 3 more hospitals.
What medical group is Dr. Jenny Ying Xin Sun part of?
Dr. Sun is linked to Atrius Health. Dmand AI links Dr. Sun to 1 more medical group.
Does Dr. Jenny Ying Xin Sun accept Medicare?
Yes. CMS data shows Dr. Sun billed Medicare for 1,071 services in 2024, and Dr. Sun accepts Medicare assignment.
Does Dr. Jenny Ying Xin Sun offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sun as offering telehealth services.
How many Medicare patients does Dr. Jenny Ying Xin Sun see?
CMS counts 384 Medicare patients who saw Dr. Sun in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Jenny Ying Xin Sun bill to Medicare?
In 2024, Dr. Sun's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Dr. Jenny Ying Xin Sun go to medical school?
Dr. Sun graduated from Harvard Medical School in 2003.
What drugs does Dr. Jenny Ying Xin Sun prescribe most?
In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
How long has Dr. Jenny Ying Xin Sun been practicing?
Dr. Sun graduated from medical school in 2003, 23 years ago.
Does Dr. Jenny Ying Xin Sun do research?
Dmand AI links 10 publications to Dr. Sun, published from 2011 to 2013.
Who does Dr. Jenny Ying Xin Sun publish with?
Dr. Sun's most frequent co-authors are Lisa Marie Sullivan, MD (4 shared papers), Bryan Thomas Ciccarelli, MA, MD, PhD (2 shared papers) and Thomas T. Perls, MD, MPH (2 shared papers).
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