Dr. Rebecca Marlene Baron, MD
- Medicare services, 2024
- 161
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 27
- Publications
- 60
- Hospital affiliations
- 1
- Practice address
- 450 Brookline Ave, Boston, MA 02215
- Practice phone
- Call (617) 632-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dana-Farber Cancer Institute
Boston, Massachusetts
Find Dr. Baron's professional email, personal email and mobile number
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Dr. Rebecca Marlene Baron is a pulmonologist in Boston, Massachusetts
Dr. Baron practices at Dana-Farber Cancer Institute in Boston, Massachusetts.
Dr. Baron's NPI, 1861458515, was assigned on April 21, 2006. Dr. Baron graduated from Harvard Medical School in 1994. Dr. Baron holds Massachusetts license 150708.
- NPI
- 1861458515NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991987083
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 632-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rebecca Marlene Baron practices at Dana-Farber Cancer Institute in Boston, Massachusetts
Dr. Baron's primary practice is Dana-Farber Cancer Institute, at 450 Brookline Ave, Boston, MA 02215 in Suffolk County. The practice phone is (617) 632-3000.
- Dana-Farber Cancer Institute450 Brookline Ave, Boston, MA 02215 · Suffolk CountyPhone(617) 632-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rebecca Marlene Baron is affiliated with 2 sites of care and 1 medical group
Dr. Baron's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts. Dr. Baron is also affiliated with Brigham and Women's Hospital. The medical group on file is Brigham and Women's Hospital.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rebecca Marlene Baron's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baron practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dana-Farber Cancer Institute | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rebecca Marlene Baron is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Baron's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Baron is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Baron
Counts of pulmonologists 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. Rebecca Marlene Baron billed Medicare for 161 services in 2024
CMS data shows 161 Medicare services from Dr. Baron across 2 procedure codes in 2024, for 49 Medicare patients. Medicare paid $27,127 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Baron's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1512024: 1617%
Dr. Baron compared with the Massachusetts median for pulmonologists, 2024
- Dr. Baron
- Massachusetts median
- Medicare services
- 161vs 47566% below
- Medicare patients
- 49vs 25581% below
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Baron'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. Baron and other pulmonologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rebecca Marlene Baron treated 49 Medicare patients in 2024, average age 71
CMS counts 49 Medicare patients who saw Dr. Baron in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 73% have chronic kidney disease. 39% are also on Medicaid. Their average risk score is 4.82, 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. Baron's median patient age at 73, with 47% women.
Dr. Baron's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Baron's Medicare patients by sex, 2024
- Women2347%
- Men2653%
Chronic conditions among Dr. Baron's Medicare patients, 2024
- High blood pressure75%
- Chronic kidney disease73%
- High cholesterol69%
- Anxiety59%
- Heart failure59%
- Mood disorders55%
- Depression53%
- Diabetes53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baron's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rebecca Marlene Baron wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Baron wrote 27 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Rebecca Marlene Baron takes part in Medicare
Dr. Baron 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. Rebecca Marlene Baron has 60 publications on record
Dmand AI links 60 papers to Dr. Baron, published from 2020 to 2025. 2021 was the busiest year, with 15. The most frequent topics are COVID-19, SARS-CoV-2 and Sepsis. Dr. Baron has published most often in Am J Respir Crit Care Med. Dr. Baron's most frequent co-authors are Bruce David Levy, MD, Laura E. Fredenburgh, MD and Edy Yong Kim, MD, PhD.
Dr. Baron's papers by year, 2020 to 2025
Topics Dr. Baron writes about most
- COVID-19
- SARS-CoV-2
- Sepsis
- Critical Illness
- Intensive Care Units
- Respiratory Distress Syndrome
- Pandemics
- Acute Kidney Injury
Dr. Baron's most frequent co-authors
- Bruce David Levy, MD7 shared papers
- Laura E. Fredenburgh, MD6 shared papers
- Edy Yong Kim, MD, PhD5 shared papers
Recent publications by Dr. Baron
Telemed J E Health
See who Dr. Baron researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baron works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rebecca Marlene Baron received $20,349 in industry payments from 2017 to 2021
CMS Open Payments shows 18 general payments to Dr. Baron from 3 drug and device companies from 2017 to 2021. Consulting fees make up the largest share, 95% of the total. Genentech, Inc. paid the most, $11,200.
General payments to Dr. Baron by program year, 2017 to 2021
General payments to Dr. Baron by kind, 2017 to 2021
- Consulting fees$19,27595%
- Travel and lodging$8374%
- Food and beverage$2371%
Companies that paid Dr. Baron the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rebecca Marlene Baron graduated from Harvard Medical School
Dr. Baron graduated from Harvard Medical School in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rebecca Marlene Baron'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Rebecca Marlene Baron
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. Rebecca Marlene Baron's NPI number?
Dr. Rebecca Marlene Baron's NPI number is 1861458515. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rebecca Marlene Baron?
Dr. Rebecca Marlene Baron is a pulmonologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Rebecca Marlene Baron practice?
Dr. Baron practices at 450 Brookline Ave, Boston, MA 02215. Dr. Baron's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts.
What is Dr. Rebecca Marlene Baron's office phone number?
The practice phone on file for Dr. Baron is (617) 632-3000.
What is Dr. Rebecca Marlene Baron's medical license number?
Dr. Baron holds Massachusetts license 150708.
Which hospitals is Dr. Rebecca Marlene Baron affiliated with?
Dr. Baron is affiliated with Brigham and Women's Hospital.
What medical group is Dr. Rebecca Marlene Baron part of?
Dr. Baron is linked to Brigham and Women's Hospital.
Does Dr. Rebecca Marlene Baron accept Medicare?
Yes. CMS data shows Dr. Baron billed Medicare for 161 services in 2024, and Dr. Baron accepts Medicare assignment.
How many Medicare patients does Dr. Rebecca Marlene Baron see?
CMS counts 49 Medicare patients who saw Dr. Baron in 2024, with an average age of 71.
What services does Dr. Rebecca Marlene Baron bill to Medicare?
In 2024, Dr. Baron's most billed Medicare services were critical care (99291) and hospital inpatient care (99233).
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Where did Dr. Rebecca Marlene Baron go to medical school?
Dr. Baron graduated from Harvard Medical School in 1994.
Has Dr. Rebecca Marlene Baron received payments from drug or device companies?
CMS Open Payments shows $20,349 in general payments to Dr. Baron from 3 companies from 2017 to 2021. The largest total came from Genentech, Inc.
How long has Dr. Rebecca Marlene Baron been practicing?
Dr. Baron graduated from medical school in 1994, 32 years ago.
Does Dr. Rebecca Marlene Baron do research?
Dmand AI links 60 publications to Dr. Baron, published from 2020 to 2025.
Who does Dr. Rebecca Marlene Baron publish with?
Dr. Baron's most frequent co-authors are Bruce David Levy, MD (7 shared papers), Laura E. Fredenburgh, MD (6 shared papers) and Edy Yong Kim, MD, PhD (5 shared papers).
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