Dr. Mark Fairweather, MD
- Medicare services, 2024
- 130
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 28
- Publications
- 69
- 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 Dr. Fairweather'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. Mark Fairweather is a general surgeon in Boston, Massachusetts
Dr. Fairweather practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Fairweather's NPI, 1437391232, was assigned on March 25, 2009. Dr. Fairweather graduated from University of Louisville School of Medicine in 2009. Dr. Fairweather holds Massachusetts license 250373.
- NPI
- 1437391232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143468009
- NPI enumeration date
- March 25, 2009
- 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
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Fairweather practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Fairweather'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. Mark Fairweather is affiliated with 4 sites of care and 2 medical groups
Dr. Fairweather's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Fairweather is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Fairweather to 1 more home health agency, 1 hospital outpatient department 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. Mark Fairweather's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fairweather 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 sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Fairweather is one of 732 general surgeons in Massachusetts
Surgery is Dr. Fairweather's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Fairweather is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Fairweather
Counts of general surgeons 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. Mark Fairweather billed Medicare for 130 services in 2024
CMS data shows 130 Medicare services from Dr. Fairweather across 5 procedure codes in 2024, for 120 Medicare patients. Medicare paid $16,443 for them.
Dr. Fairweather's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1512024: 10530%
- Imaging
- 2023: 182024: 1422%
- Surgery
- 2023: 162024: 1131%
Where Dr. Fairweather's Medicare services took place, 2024
- In an office5744%
- In a facility7356%
Dr. Fairweather compared with the Massachusetts median for general surgeons, 2024
- Dr. Fairweather
- Massachusetts median
- Medicare services
- 130vs 20035% below
- Medicare patients
- 120vs 15221% below
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Fairweather'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.
Need commercial claims for Dr. Fairweather?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fairweather and other general surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Fairweather treated 120 Medicare patients in 2024, average age 72
CMS counts 120 Medicare patients who saw Dr. Fairweather in 2024. The largest group is 65 to 74, with 64 patients. 73% of them have high blood pressure, and 73% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fairweather's median patient age at 67, with 51% women.
Dr. Fairweather's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fairweather's Medicare patients by sex, 2024
- Women6252%
- Men5848%
Chronic conditions among Dr. Fairweather's Medicare patients, 2024
- High blood pressure73%
- High cholesterol73%
- Arthritis46%
- Cancer36%
- Diabetes35%
- Anxiety33%
- Ischemic heart disease28%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fairweather's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Fairweather wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Fairweather wrote 28 Medicare Part D claims for 16 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Dr. Fairweather's Part D claims, 2024
- Antibiotics64%18 of 28 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark Fairweather offers telehealth to Medicare patients
Dr. Fairweather accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fairweather as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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. Mark Fairweather has 69 publications on record
Dmand AI links 69 papers to Dr. Fairweather, published from 2014 to 2025. 2020 was the busiest year, with 13. The most frequent topics are Sarcoma, Retroperitoneal Neoplasms and Soft Tissue Neoplasms. Dr. Fairweather has published most often in Ann Surg Oncol. Dr. Fairweather's most frequent co-authors are Chandrajit Premanand Raut, MD, Jiping Wang, MD, PhD and Kenneth Cardona, MD.
Dr. Fairweather's papers by year, 2016 to 2025
Topics Dr. Fairweather writes about most
- Sarcoma
- Retroperitoneal Neoplasms
- Soft Tissue Neoplasms
- Liposarcoma
- Stomach Neoplasms
- Antineoplastic Agents
- Gastrointestinal Stromal Tumors
- Morbidity
Dr. Fairweather's most frequent co-authors
- Chandrajit Premanand Raut, MD41 shared papers
- Jiping Wang, MD, PhD18 shared papers
- Kenneth Cardona, MD13 shared papers
Recent publications by Dr. Fairweather
J Cancer Res Clin Oncol
See who Dr. Fairweather researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fairweather works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Fairweather received $18,504 in industry payments from 2019 to 2025
CMS Open Payments shows 22 general payments to Dr. Fairweather from 4 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 94% of the total. Covidien LP paid the most, $12,290.
General payments to Dr. Fairweather by program year, 2019 to 2025
General payments to Dr. Fairweather by kind, 2019 to 2025
- Consulting fees$17,35094%
- Travel and lodging$8925%
- Food and beverage$2611%
Companies that paid Dr. Fairweather the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Fairweather graduated from University of Louisville School of Medicine
Dr. Fairweather graduated from University of Louisville School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Fairweather'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. Mark Fairweather
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. Mark Fairweather's NPI number?
Dr. Mark Fairweather's NPI number is 1437391232. It was assigned on March 25, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Fairweather?
Dr. Mark Fairweather is a general surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark Fairweather practice?
Dr. Fairweather practices at 75 Francis Street, Boston, MA 02115. Dr. Fairweather's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Fairweather to 1 home health agency, 1 hospital outpatient department and 1 medical group.
What is Dr. Mark Fairweather's office phone number?
The practice phone on file for Dr. Fairweather is (617) 732-5500.
What is Dr. Mark Fairweather's medical license number?
Dr. Fairweather holds Massachusetts license 250373.
Which hospitals is Dr. Mark Fairweather affiliated with?
Dr. Fairweather practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Fairweather is also affiliated with Dana-Farber Cancer Institute.
What medical group is Dr. Mark Fairweather part of?
Dr. Fairweather is linked to Brigham and Women's Hospital. Dmand AI links Dr. Fairweather to 1 more medical group.
Does Dr. Mark Fairweather accept Medicare?
Yes. CMS data shows Dr. Fairweather billed Medicare for 130 services in 2024, and Dr. Fairweather accepts Medicare assignment.
Does Dr. Mark Fairweather offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fairweather as offering telehealth services.
How many Medicare patients does Dr. Mark Fairweather see?
CMS counts 120 Medicare patients who saw Dr. Fairweather in 2024, with an average age of 72.
Show 6 more questionsShow fewer questions
What services does Dr. Mark Fairweather bill to Medicare?
In 2024, Dr. Fairweather's most billed Medicare services were office visit, new patient (99205), office visit, established patient (99213) and ultrasound (76998).
Where did Dr. Mark Fairweather go to medical school?
Dr. Fairweather graduated from University of Louisville School of Medicine in 2009.
Has Dr. Mark Fairweather received payments from drug or device companies?
CMS Open Payments shows $18,504 in general payments to Dr. Fairweather from 4 companies from 2019 to 2025. The largest total came from Covidien LP.
How long has Dr. Mark Fairweather been practicing?
Dr. Fairweather graduated from medical school in 2009, 17 years ago.
Does Dr. Mark Fairweather do research?
Dmand AI links 69 publications to Dr. Fairweather, published from 2014 to 2025.
Who does Dr. Mark Fairweather publish with?
Dr. Fairweather's most frequent co-authors are Chandrajit Premanand Raut, MD (41 shared papers), Jiping Wang, MD, PhD (18 shared papers) and Kenneth Cardona, MD (13 shared papers).
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