NanoparticlesPlaque, AtheroscleroticProtein Corona
Dr. Peter Libby, MD
NPI1033161401PAC ID6103869185
- Medicare services, 2024
- 57
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 14
- Publications
- 409
- Hospital affiliations
- 1
- 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. Libby's professional email, personal email and mobile number
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Dr. Peter Libby is a cardiologist in Boston, Massachusetts
Dr. Libby practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Libby's NPI, 1033161401, was assigned on May 16, 2006. Dr. Libby graduated from University of California, San Diego School of Medicine in 1973. Dr. Libby holds Massachusetts license 39424.
NPI and contact details
- NPI
- 1033161401NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103869185
- NPI enumeration date
- May 16, 2006
- 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
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Libby practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Libby'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. Peter Libby is affiliated with 2 sites of care and 1 medical group
Dr. Libby's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Libby to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Libby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Libby practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Peter Libby is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Libby's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Libby is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Libby
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
840cardiologists in Massachusetts344cardiologists in Boston98cardiologists at Brigham and Women's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter Libby billed Medicare for 57 services in 2024
CMS data shows 57 Medicare services from Dr. Libby across 2 procedure codes in 2024, for 50 Medicare patients. Medicare paid $3,994 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202457
Medicare patients50
Paid by Medicare$3,994
Procedure codes2
Dr. Libby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3312024: 5783%
Dr. Libby compared with the Massachusetts median for cardiologists, 2024
- Dr. Libby
- Massachusetts median
- Medicare services
- 57vs 1,61296% below
- Medicare patients
- 50vs 95695% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Libby'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. Peter Libby treated 50 Medicare patients in 2024, average age 75
CMS counts 50 Medicare patients who saw Dr. Libby in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.17, 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. Libby's median patient age at 72, with 32% women.
Medicare patients, 202450
Average age75
Average risk score2.17
Also on Medicaid22%
Dr. Libby's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Libby's Medicare patients by sex, 2024
- Women2550%
- Men2550%
Chronic conditions among Dr. Libby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease66%
- Arthritis58%
- Atrial fibrillation42%
- Heart failure40%
- Chronic kidney disease38%
- Diabetes32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Libby'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
- Women32%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Libby wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Libby wrote 14 Medicare Part D claims. 93% of them were for generic drugs.
Part D claims, 202414
Dr. Libby's Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Peter Libby takes part in Medicare
Dr. Libby 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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Dr. Peter Libby has 409 publications on record
Dmand AI links 409 papers to Dr. Libby, published from 2006 to 2025. 2024 was the busiest year, with 33. The most frequent topics are Atherosclerosis, Plaque, Atherosclerotic and Inflammation. Dr. Libby has published most often in Eur Heart J. Dr. Libby's most frequent co-authors are Paul M. Ridker, MD, Steven E. Nissen, MD and Christie Mitchell Ballantyne, MD.
Papers409
Years published2006 to 2025
Dr. Libby's papers by year, 2016 to 2025
Topics Dr. Libby writes about most
- Atherosclerosis
- Plaque, Atherosclerotic
- Inflammation
- Mice, Inbred C57BL
- Cardiovascular Diseases
- Macrophages
- Mice, Knockout
- Myocardial Infarction
Dr. Libby's most frequent co-authors
- Paul M. Ridker, MD34 shared papers
- Steven E. Nissen, MD25 shared papers
- Christie Mitchell Ballantyne, MD19 shared papers
Recent publications by Dr. Libby
Cholesterol, LDLCoronary DiseaseDyslipidemias
Aortic Aneurysm, AbdominalAtherosclerosisDisease Models, Animal
See who Dr. Libby researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Libby 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. Peter Libby received $104,539 in industry payments from 2016 to 2025
CMS Open Payments shows 144 general payments to Dr. Libby from 16 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 80% of the total. Novartis Pharma AG paid the most, $52,422.
General payments to Dr. Libby by program year, 2016 to 2025
General payments to Dr. Libby by kind, 2016 to 2025
$104.5Kin total
- Travel and lodging$83,74180%
- Consulting fees$14,22914%
- Food and beverage$5,3155%
- Speaker and faculty fees$9581%
- Education$2960%
Companies that paid Dr. Libby 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. Peter Libby graduated from University of California, San Diego School of Medicine
Dr. Libby graduated from University of California, San Diego School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Libby'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) |
| 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. Peter Libby
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. Peter Libby's NPI number?
Dr. Peter Libby's NPI number is 1033161401. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Libby?
Dr. Peter Libby is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Peter Libby practice?
Dr. Libby practices at 75 Francis Street, Boston, MA 02115. Dr. Libby's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Libby to 1 hospital outpatient department.
What is Dr. Peter Libby's office phone number?
The practice phone on file for Dr. Libby is (617) 732-5500.
What is Dr. Peter Libby's medical license number?
Dr. Libby holds Massachusetts license 39424.
Which hospitals is Dr. Peter Libby affiliated with?
Dr. Libby practices at Brigham and Women's Hospital in Boston, Massachusetts.
What medical group is Dr. Peter Libby part of?
Dr. Libby is linked to Brigham and Women's Hospital.
Does Dr. Peter Libby accept Medicare?
Yes. CMS data shows Dr. Libby billed Medicare for 57 services in 2024, and Dr. Libby accepts Medicare assignment.
How many Medicare patients does Dr. Peter Libby see?
CMS counts 50 Medicare patients who saw Dr. Libby in 2024, with an average age of 75.
What services does Dr. Peter Libby bill to Medicare?
In 2024, Dr. Libby's most billed Medicare services were hospital inpatient care (99232) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Peter Libby go to medical school?
Dr. Libby graduated from University of California, San Diego School of Medicine in 1973.
Has Dr. Peter Libby received payments from drug or device companies?
CMS Open Payments shows $104,539 in general payments to Dr. Libby from 16 companies from 2016 to 2025. The largest total came from Novartis Pharma AG.
How long has Dr. Peter Libby been practicing?
Dr. Libby graduated from medical school in 1973, 53 years ago.
Does Dr. Peter Libby do research?
Dmand AI links 409 publications to Dr. Libby, published from 2006 to 2025.
Who does Dr. Peter Libby publish with?
Dr. Libby's most frequent co-authors are Paul M. Ridker, MD (34 shared papers), Steven E. Nissen, MD (25 shared papers) and Christie Mitchell Ballantyne, MD (19 shared papers).
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