Dr. Kenneth Rosenfield, MD
- Medicare services, 2024
- 440
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 78
- Publications
- 119
- Hospital affiliations
- 4
- 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. Rosenfield'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. Kenneth Rosenfield is a cardiologist in Boston, Massachusetts
Dr. Rosenfield practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Rosenfield's NPI, 1134327745, was assigned on July 5, 2007. Dr. Rosenfield graduated from University of Massachusetts Medical School in 1982. Dr. Rosenfield holds Massachusetts license 79142.
- NPI
- 1134327745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254329063
- NPI enumeration date
- July 5, 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
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth Rosenfield practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Rosenfield's 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. Kenneth Rosenfield is affiliated with 5 sites of care and 2 medical groups
Dr. Rosenfield's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Rosenfield 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. Rosenfield to 2 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. Kenneth Rosenfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenfield practices, 5 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 |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth Rosenfield is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Rosenfield's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Rosenfield is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Rosenfield
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. Kenneth Rosenfield billed Medicare for 440 services in 2024
CMS data shows 440 Medicare services from Dr. Rosenfield across 10 procedure codes in 2024, for 238 Medicare patients. Medicare paid $30,006 for them.
Dr. Rosenfield's Medicare services by type, 2024
- Office and hospital visits248
- Tests and treatments175
- Other services17
Where Dr. Rosenfield's Medicare services took place, 2024
- In an office26360%
- In a facility17740%
Dr. Rosenfield compared with the Massachusetts median for cardiologists, 2024
- Dr. Rosenfield
- Massachusetts median
- Medicare services
- 440vs 1,61273% below
- Medicare patients
- 238vs 95675% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Rosenfield'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. Rosenfield and other cardiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth Rosenfield treated 238 Medicare patients in 2024, average age 77
CMS counts 238 Medicare patients who saw Dr. Rosenfield in 2024. The largest group is 75 to 84, with 110 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.69, 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. Rosenfield's median patient age at 76, with 37% women.
Dr. Rosenfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rosenfield's Medicare patients by sex, 2024
- Women8034%
- Men15866%
Chronic conditions among Dr. Rosenfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis47%
- Chronic kidney disease41%
- Heart failure38%
- Diabetes36%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rosenfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth Rosenfield wrote 78 Medicare Part D claims in 2024
In 2024, Dr. Rosenfield wrote 78 Medicare Part D claims for 32 patients. 83% of them were for generic drugs.
Dr. Rosenfield's Part D claims by kind of drug, 2024
- Generic65 claims83%
- Brand-name13 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kenneth Rosenfield ranks in the 71st percentile for coronary angioplasty and stenting in Medicare
Dr. Rosenfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rosenfield as offering telehealth. CMS counts 34 procedures of coronary angioplasty and stenting by Dr. Rosenfield, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Rosenfield ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 71st percentile34 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kenneth Rosenfield has 119 publications on record
Dmand AI links 119 papers to Dr. Rosenfield, published from 2016 to 2025. 2024 was the busiest year, with 16. The most frequent topics are Peripheral Arterial Disease, Endovascular Procedures and Ischemia. Dr. Rosenfield has published most often in J Vasc Surg. Dr. Rosenfield's most frequent co-authors are Alik Farber, MD, Matthew T. Menard, MD and Michael B. Strong, MD.
Dr. Rosenfield's papers by year, 2016 to 2025
Topics Dr. Rosenfield writes about most
- Peripheral Arterial Disease
- Endovascular Procedures
- Ischemia
- Chronic Limb-Threatening Ischemia
- Limb Salvage
- Pulmonary Embolism
- Amputation, Surgical
- Angioplasty, Balloon
Dr. Rosenfield's most frequent co-authors
- Alik Farber, MD29 shared papers
- Matthew T. Menard, MD29 shared papers
- Michael B. Strong, MD20 shared papers
Recent publications by Dr. Rosenfield
Circ Cardiovasc Interv
See who Dr. Rosenfield researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rosenfield 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. Kenneth Rosenfield received $375,649 in industry payments from 2016 to 2025
CMS Open Payments shows 202 general payments to Dr. Rosenfield from 22 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 93% of the total. Boston Scientific Corporation paid the most, $94,400. It also lists 12 research payments totaling $32,443 from 2024 to 2025.
General payments to Dr. Rosenfield by program year, 2016 to 2025
General payments to Dr. Rosenfield by kind, 2016 to 2025
- Consulting fees$349,15793%
- Travel and lodging$13,8964%
- Food and beverage$9,1732%
- Honoraria$2,5001%
- Other$9240%
Companies that paid Dr. Rosenfield the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kenneth Rosenfield graduated from University of Massachusetts Medical School
Dr. Rosenfield graduated from University of Massachusetts Medical School in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kenneth Rosenfield'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 (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)Doctors and Clinicians Utilization Data (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. Kenneth Rosenfield
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. Kenneth Rosenfield's NPI number?
Dr. Kenneth Rosenfield's NPI number is 1134327745. It was assigned on July 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Rosenfield?
Dr. Kenneth Rosenfield is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Kenneth Rosenfield practice?
Dr. Rosenfield practices at 55 Fruit Street, Boston, MA 02114. Dr. Rosenfield's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Rosenfield to 2 hospitals, 1 community health center and 1 medical group.
What is Dr. Kenneth Rosenfield's office phone number?
The practice phone on file for Dr. Rosenfield is (617) 726-2000.
What is Dr. Kenneth Rosenfield's medical license number?
Dr. Rosenfield holds Massachusetts license 79142.
Which hospitals is Dr. Kenneth Rosenfield affiliated with?
Dr. Rosenfield practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Rosenfield is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Rosenfield to 2 more hospitals.
What medical group is Dr. Kenneth Rosenfield part of?
Dr. Rosenfield is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Rosenfield to 1 more medical group.
Does Dr. Kenneth Rosenfield accept Medicare?
Yes. CMS data shows Dr. Rosenfield billed Medicare for 440 services in 2024, and Dr. Rosenfield accepts Medicare assignment.
Does Dr. Kenneth Rosenfield offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rosenfield as offering telehealth services.
How many Medicare patients does Dr. Kenneth Rosenfield see?
CMS counts 238 Medicare patients who saw Dr. Rosenfield in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Kenneth Rosenfield bill to Medicare?
In 2024, Dr. Rosenfield's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and special service (99152).
Where did Dr. Kenneth Rosenfield go to medical school?
Dr. Rosenfield graduated from University of Massachusetts Medical School in 1982.
Has Dr. Kenneth Rosenfield received payments from drug or device companies?
CMS Open Payments shows $375,649 in general payments to Dr. Rosenfield from 22 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Kenneth Rosenfield been practicing?
Dr. Rosenfield graduated from medical school in 1982, 44 years ago.
Does Dr. Kenneth Rosenfield do research?
Dmand AI links 119 publications to Dr. Rosenfield, published from 2016 to 2025.
Who does Dr. Kenneth Rosenfield publish with?
Dr. Rosenfield's most frequent co-authors are Alik Farber, MD (29 shared papers), Matthew T. Menard, MD (29 shared papers) and Michael B. Strong, MD (20 shared papers).
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