N Engl J Med
Hannah X. Chen
NPI1831689108PAC ID4880943703
- Medicare services, 2024
- 481
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 33
- Publications
- 1
- Hospital affiliations
- 2
- 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 Hannah Chen'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.
Hannah X. Chen is an internist in Boston, Massachusetts
Hannah Chen practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Hannah Chen's NPI, 1831689108, was assigned on May 13, 2018. Hannah Chen graduated from North Carolina Medical School in 2018. Hannah Chen holds Massachusetts license 286521.
NPI and contact details
- NPI
- 1831689108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880943703
- NPI enumeration date
- May 13, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hannah X. Chen practices at Brigham and Women's Hospital in Boston, Massachusetts
Hannah Chen'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
Hannah X. Chen is affiliated with 4 sites of care and 1 medical group
Hannah Chen's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Hannah Chen is also affiliated with Brigham and Women's Faulkner Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Hannah Chen to 1 more group practice or clinic and 1 hospital outpatient department, each named with a free account.
Brigham and Women's Faulkner HospitalBrigham and Women's Hospital1 group practice or clinicName with a free account1 hospital outpatient departmentName with a free account
See all 5 affiliations for Hannah ChenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hannah X. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hannah Chen practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Hannah X. Chen is one of 5,528 internists in Massachusetts
Internal medicine is Hannah Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Hannah Chen is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Hannah Chen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,528internists in Massachusetts1,712internists in Boston299internists at Brigham and Women's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Hannah X. Chen billed Medicare for 481 services in 2024
CMS data shows 481 Medicare services from Hannah Chen across 6 procedure codes in 2024, for 179 Medicare patients. Medicare paid $40,360 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024481
Medicare patients179
Paid by Medicare$40,360
Procedure codes6
Hannah Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6282024: 48123%
Hannah Chen compared with the Massachusetts median for internists, 2024
- Hannah Chen
- Massachusetts median
- Medicare services
- 481vs 43112% above
- Medicare patients
- 179vs 1948% below
- Part D claims
- 24vs 40294% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Hannah Chen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Hannah X. Chen treated 179 Medicare patients in 2024, average age 76
CMS counts 179 Medicare patients who saw Hannah Chen in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Hannah Chen's median patient age at 71, with 56% women.
Medicare patients, 2024179
Average age76
Average risk score2.85
Also on Medicaid49%
Hannah Chen's Medicare patients by age, 2024
Hannah Chen's Medicare patients by sex, 2024
- Women9855%
- Men8145%
Chronic conditions among Hannah Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease57%
- Anxiety53%
- Mood disorders53%
- Depression49%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Hannah Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hannah X. Chen wrote 33 Medicare Part D claims in 2024
In 2024, Hannah Chen wrote 33 Medicare Part D claims for 14 patients. 64% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $310 in total drug cost.
Part D claims, 202433
Drugs named by CMS2
Total drug cost$310
Part D patients14
Hannah Chen's Part D claims by kind of drug, 2024
- Generic21 claims64%
- Brand-name and other12 claims36%
Hannah Chen's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Hannah X. Chen takes part in Medicare
Hannah Chen 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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Hannah X. Chen has 1 publication on record
Dmand AI links 1 paper to Hannah Chen. Hannah Chen's most frequent co-authors are Manuela Cernadas, MD, Bruce David Levy, MD and Joseph Loscalzo, MD, PhD.
Papers1
Hannah Chen's most frequent co-authors
- Manuela Cernadas, MD1 shared paper
- Bruce David Levy, MD1 shared paper
- Joseph Loscalzo, MD, PhD1 shared paper
Recent publications by Hannah Chen
See who Hannah Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Hannah Chen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Hannah X. Chen graduated from North Carolina Medical School
Hannah Chen graduated from North Carolina Medical School in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Hannah X. Chen'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 Hannah X. Chen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hannah X. Chen's NPI number?
Hannah X. Chen's NPI number is 1831689108. It was assigned on May 13, 2018, and it is active in the NPI Registry.
What does Hannah X. Chen specialize in?
Hannah X. Chen is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Hannah X. Chen practice?
Hannah Chen practices at 75 Francis Street, Boston, MA 02115. Hannah Chen's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Hannah Chen to 1 group practice or clinic and 1 hospital outpatient department.
What is Hannah X. Chen's office phone number?
The practice phone on file for Hannah Chen is (617) 732-5500.
What is Hannah X. Chen's medical license number?
Hannah Chen holds Massachusetts license 286521.
Which hospitals is Hannah X. Chen affiliated with?
Hannah Chen practices at Brigham and Women's Hospital in Boston, Massachusetts. Hannah Chen is also affiliated with Brigham and Women's Faulkner Hospital.
What medical group is Hannah X. Chen part of?
Hannah Chen is linked to Brigham and Women's Hospital.
Does Hannah X. Chen accept Medicare?
Yes. CMS data shows Hannah Chen billed Medicare for 481 services in 2024, and Hannah Chen accepts Medicare assignment.
How many Medicare patients does Hannah X. Chen see?
CMS counts 179 Medicare patients who saw Hannah Chen in 2024, with an average age of 76.
What services does Hannah X. Chen bill to Medicare?
In 2024, Hannah Chen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
Show 5 more questionsShow fewer questions
Where did Hannah X. Chen go to medical school?
Hannah Chen graduated from North Carolina Medical School in 2018.
What drugs does Hannah X. Chen prescribe most?
In 2021 Medicare Part D data, Hannah Chen's most prescribed drugs by claims were Atorvastatin Calcium and Metformin HCl.
How long has Hannah X. Chen been practicing?
Hannah Chen graduated from medical school in 2018, 8 years ago.
Does Hannah X. Chen do research?
Dmand AI links 1 publication to Hannah Chen.
Who does Hannah X. Chen publish with?
Hannah Chen's most frequent co-authors are Manuela Cernadas, MD (1 shared paper), Bruce David Levy, MD (1 shared paper) and Joseph Loscalzo, MD, PhD (1 shared paper).
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