Dr. Aaron S. Kesselheim, MD
- Medicare services, 2024
- 60
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 906
- Publications
- 763
- Hospital affiliations
- 3
- 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. Kesselheim'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. Aaron S. Kesselheim is an internist in Boston, Massachusetts
Dr. Kesselheim practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Kesselheim's NPI, 1063478626, was assigned on April 24, 2006. Dr. Kesselheim graduated from Perelman School of Med at the University of Pennsylvania in 2002. Dr. Kesselheim holds Massachusetts license 223102.
- NPI
- 1063478626NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890731368
- NPI enumeration date
- April 24, 2006
- 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
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron S. Kesselheim practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Kesselheim'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. Aaron S. Kesselheim is affiliated with 5 sites of care and 1 medical group
Dr. Kesselheim's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Kesselheim is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Kesselheim to 1 more hospital, 1 home health agency and 1 hospital outpatient department, 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. Aaron S. Kesselheim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kesselheim practices, 5 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 |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron S. Kesselheim is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Kesselheim's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kesselheim is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Kesselheim
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. Aaron S. Kesselheim billed Medicare for 60 services in 2024
CMS data shows 60 Medicare services from Dr. Kesselheim across 2 procedure codes in 2024, all of them office visits, for 39 Medicare patients. Medicare paid $3,823 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kesselheim's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 642024: 606%
Dr. Kesselheim compared with the Massachusetts median for internists, 2024
- Dr. Kesselheim
- Massachusetts median
- Medicare services
- 60vs 43186% below
- Medicare patients
- 39vs 19480% below
- Part D claims
- 610vs 40252% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kesselheim'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
Dr. Aaron S. Kesselheim treated 39 Medicare patients in 2024, average age 73
CMS counts 39 Medicare patients who saw Dr. Kesselheim in 2024. The largest group is 65 to 74, with 17 patients. 69% of them have high blood pressure, and 62% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.78, 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. Kesselheim's median patient age at 72, with 38% women.
Dr. Kesselheim's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kesselheim's Medicare patients by sex, 2024
- Women1333%
- Men2667%
Chronic conditions among Dr. Kesselheim's Medicare patients, 2024
- High blood pressure69%
- High cholesterol62%
- Ischemic heart disease46%
- Arthritis38%
- Diabetes33%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kesselheim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron S. Kesselheim wrote 906 Medicare Part D claims in 2024
In 2024, Dr. Kesselheim wrote 906 Medicare Part D claims for 78 patients. 90% of them were for generic drugs. CMS names the drug for 610 of them, across 25 drugs with 11 or more claims each, at $23,908 in total drug cost. In 2023, CMS named 670 claims across 27 drugs.
Dr. Kesselheim's Part D claims by kind of drug, 2024
- Generic811 claims90%
- Brand-name and other95 claims10%
Dr. Kesselheim'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. Kesselheim's Part D claims, 2024
- Antibiotics1%12 of 906 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: 6702024: 6109%
Drugs named by CMS: 25 in 2024, 27 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. Aaron S. Kesselheim offers telehealth to Medicare patients
Dr. Kesselheim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kesselheim as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Aaron S. Kesselheim has 763 publications on record
Dmand AI links 763 papers to Dr. Kesselheim, published from 2010 to 2025. 2024 was the busiest year, with 44. The most frequent topics are United States Food and Drug Administration, Drug Approval and Drug Industry. Dr. Kesselheim has published most often in JAMA. Dr. Kesselheim's most frequent co-authors are Daniel Bruce Kramer, MD, MPH, Niteesh Kumar Choudhry, MD, PhD and Steven Woloshin, MD.
Dr. Kesselheim's papers by year, 2016 to 2025
Topics Dr. Kesselheim writes about most
- United States Food and Drug Administration
- Drug Approval
- Drug Industry
- Drug Costs
- Drugs, Generic
- Prescription Drugs
- Patents as Topic
- Pharmaceutical Preparations
Dr. Kesselheim's most frequent co-authors
- Daniel Bruce Kramer, MD, MPH15 shared papers
- Niteesh Kumar Choudhry, MD, PhD14 shared papers
- Steven Woloshin, MD14 shared papers
Recent publications by Dr. Kesselheim
See who Dr. Kesselheim researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kesselheim 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. Aaron S. Kesselheim graduated from Perelman School of Med at the University of Pennsylvania
Dr. Kesselheim graduated from Perelman School of Med at the University of Pennsylvania in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron S. Kesselheim'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. Aaron S. Kesselheim
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. Aaron S. Kesselheim's NPI number?
Dr. Aaron S. Kesselheim's NPI number is 1063478626. It was assigned on April 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron S. Kesselheim?
Dr. Aaron S. Kesselheim is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aaron S. Kesselheim practice?
Dr. Kesselheim practices at 75 Francis Street, Boston, MA 02115. Dr. Kesselheim's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Kesselheim to 1 hospital, 1 home health agency and 1 hospital outpatient department.
What is Dr. Aaron S. Kesselheim's office phone number?
The practice phone on file for Dr. Kesselheim is (617) 732-5500.
What is Dr. Aaron S. Kesselheim's medical license number?
Dr. Kesselheim holds Massachusetts license 223102.
Which hospitals is Dr. Aaron S. Kesselheim affiliated with?
Dr. Kesselheim practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Kesselheim is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Kesselheim to 1 more hospital.
What medical group is Dr. Aaron S. Kesselheim part of?
Dr. Kesselheim is linked to Brigham and Women's Hospital.
Does Dr. Aaron S. Kesselheim accept Medicare?
Yes. CMS data shows Dr. Kesselheim billed Medicare for 60 services in 2024, and Dr. Kesselheim accepts Medicare assignment.
Does Dr. Aaron S. Kesselheim offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kesselheim as offering telehealth services.
How many Medicare patients does Dr. Aaron S. Kesselheim see?
CMS counts 39 Medicare patients who saw Dr. Kesselheim in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Aaron S. Kesselheim bill to Medicare?
In 2024, Dr. Kesselheim's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Aaron S. Kesselheim go to medical school?
Dr. Kesselheim graduated from Perelman School of Med at the University of Pennsylvania in 2002.
What drugs does Dr. Aaron S. Kesselheim prescribe most?
In 2024 Medicare Part D data, Dr. Kesselheim's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Lisinopril.
How long has Dr. Aaron S. Kesselheim been practicing?
Dr. Kesselheim graduated from medical school in 2002, 24 years ago.
Does Dr. Aaron S. Kesselheim do research?
Dmand AI links 763 publications to Dr. Kesselheim, published from 2010 to 2025.
Who does Dr. Aaron S. Kesselheim publish with?
Dr. Kesselheim's most frequent co-authors are Daniel Bruce Kramer, MD, MPH (15 shared papers), Niteesh Kumar Choudhry, MD, PhD (14 shared papers) and Steven Woloshin, MD (14 shared papers).
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