Int J Gynecol Cancer
SarcomaUterine Neoplasms
Dr. Fiona M. Fennessy, MD
NPI1548246762PAC ID1951457100
- Medicare services, 2024
- 287
- Medicare patients, 2024
- 349
- Publications
- 87
- Clinical trials
- 4
- Hospital affiliations
- 3
- Practice address
- 450 Brookline Avenue, Boston, MA 02115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fennessy'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. Fiona M. Fennessy is a diagnostic radiologist in Boston, Massachusetts
Dr. Fennessy practices at Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute.
Dr. Fennessy's NPI, 1548246762, was assigned on December 20, 2005. Dr. Fennessy holds Massachusetts license 213979.
NPI and contact details
- NPI
- 1548246762NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951457100
- NPI enumeration date
- December 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fiona M. Fennessy practices at Dana-Farber Cancer Institute in Boston, Massachusetts
Dr. Fennessy's primary practice is Dana-Farber Cancer Institute, at 450 Brookline Avenue, Boston, MA 02115.
- Dana-Farber Cancer Institute450 Brookline Avenue, Boston, MA 02115
Source: Dmand AI Affiliation Data
Dr. Fiona M. Fennessy is affiliated with 3 sites of care and 2 medical groups
Dr. Fennessy's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Dr. Fennessy is also affiliated with Brigham and Women's Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Fennessy to 1 more hospital and 1 medical group, each named with a free account.
Brigham and Women's HospitalBrigham and Women's Hospital1 hospitalName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. FennessySources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fiona M. Fennessy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fennessy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dana-Farber Cancer Institute | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fiona M. Fennessy is one of 1,246 diagnostic radiologists in Massachusetts
Diagnostic radiology is Dr. Fennessy's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Fennessy is licensed in Massachusetts.
Specialties and state licenses
- Diagnostic radiology, MassachusettsPrimary
Diagnostic radiologists near Dr. Fennessy
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
1,246diagnostic radiologists in Massachusetts540diagnostic radiologists in Boston9diagnostic radiologists at Dana-Farber Cancer Institute
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Fiona M. Fennessy billed Medicare for 287 services in 2024
CMS data shows 287 Medicare services from Dr. Fennessy across 5 procedure codes in 2024, for 349 Medicare patients. Medicare paid $17,839 for them.
Medicare services, 2024287
Medicare patients349
Paid by Medicare$17,839
Procedure codes5
Dr. Fennessy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3662024: 28722%
Where Dr. Fennessy's Medicare services took place, 2024
- In an office8931%
- In a facility19869%
Dr. Fennessy compared with the Massachusetts median for diagnostic radiologists, 2024
- Dr. Fennessy
- Massachusetts median
- Medicare services
- 287vs 2,24287% below
- Medicare patients
- 349vs 1,57178% below
Medians across 1,108 diagnostic radiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Fennessy'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. Fennessy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fennessy and other diagnostic radiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Fiona M. Fennessy treated 349 Medicare patients in 2024, average age 73
CMS counts 349 Medicare patients who saw Dr. Fennessy in 2024. The largest group is 65 to 74, with 171 patients. 71% of them have high blood pressure, and 70% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.23, 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. Fennessy's median patient age at 64, with 55% women.
Medicare patients, 2024349
Average age73
Average risk score2.23
Also on Medicaid17%
Dr. Fennessy's Medicare patients by age, 2024
Dr. Fennessy's Medicare patients by sex, 2024
- Women18453%
- Men16547%
Chronic conditions among Dr. Fennessy's Medicare patients, 2024
- High blood pressure71%
- High cholesterol70%
- Cancer49%
- Arthritis42%
- Anxiety35%
- Chronic kidney disease30%
- Mood disorders30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fennessy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Fiona M. Fennessy takes part in Medicare
Dr. Fennessy 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. Fiona M. Fennessy has 87 publications on record
Dmand AI links 87 papers to Dr. Fennessy, published from 2007 to 2024. 2017 was the busiest year, with 6. The most frequent topics are Prostatic Neoplasms, Magnetic Resonance Imaging and Prostate. Dr. Fennessy has published most often in Abdom Radiol (NY). Dr. Fennessy's most frequent co-authors are Kemal Tuncali, MD, Sandeep Gupta, MD and Elmira Hassanzadeh.
Papers87
Years published2007 to 2024
Dr. Fennessy's papers by year, 2015 to 2024
Topics Dr. Fennessy writes about most
- Prostatic Neoplasms
- Magnetic Resonance Imaging
- Prostate
- Contrast Media
- Image Interpretation, Computer-Assisted
- Image-Guided Biopsy
- Neoplasm Grading
- Algorithms
Dr. Fennessy's most frequent co-authors
Recent publications by Dr. Fennessy
AJR Am J Roentgenol
Contrast MediaImage Interpretation, Computer-AssistedMagnetic Resonance Imaging
AJR Am J Roentgenol
Magnetic Resonance ImagingMultiparametric Magnetic Resonance ImagingProstatic Neoplasms
Androgen AntagonistsAndrogensNeoadjuvant Therapy
See who Dr. Fennessy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fennessy works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Fiona M. Fennessy has worked on 4 clinical trials
Dmand AI links Dr. Fennessy to 4 clinical trials. Conditions studied include Head and Neck Neoplasms, Prostatic Neoplasms and Prostatic Diseases. Open Payments lists research payments to Dr. Fennessy that name 3 trials.
Conditions in Dr. Fennessy's trials
- Head and Neck Neoplasms
- Prostatic Neoplasms
- Prostatic Diseases
Investigators on the most trials with Dr. Fennessy
- Jyothipriya P. Jagannathan, MD3 shared trials
- Nikhil Ramaiya, MD3 shared trials
- Atul Bhanudas Shinagare, MD3 shared trials
Recent clinical trials with Dr. Fennessy
Prostatic NeoplasmsProstatic DiseasesMRI
$13,500 in research paymentsHead and Neck NeoplasmsIpilimumabNivolumab
$13,950 in research payments
$150 in research payments
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Fiona M. Fennessy received $70 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Fennessy from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $70. It also lists 9 research payments totaling $43,200 from 2018 to 2019, naming 3 clinical trials.
Companies that paid Dr. Fennessy the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Fiona M. Fennessy'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) |
| 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Fiona M. Fennessy
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. Fiona M. Fennessy's NPI number?
Dr. Fiona M. Fennessy's NPI number is 1548246762. It was assigned on December 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Fiona M. Fennessy?
Dr. Fiona M. Fennessy is a diagnostic radiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Fiona M. Fennessy practice?
Dr. Fennessy practices at 450 Brookline Avenue, Boston, MA 02115. Dr. Fennessy's primary practice is Dana-Farber Cancer Institute in Boston, Massachusetts, part of Dana-Farber Cancer Institute. Dmand AI also links Dr. Fennessy to 1 hospital and 1 medical group.
What is Dr. Fiona M. Fennessy's medical license number?
Dr. Fennessy holds Massachusetts license 213979.
Which hospitals is Dr. Fiona M. Fennessy affiliated with?
Dr. Fennessy practices at Dana-Farber Cancer Institute in Boston, Massachusetts. Dr. Fennessy is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Fennessy to 1 more hospital.
What medical group is Dr. Fiona M. Fennessy part of?
Dr. Fennessy is linked to Brigham and Women's Hospital. Dmand AI links Dr. Fennessy to 1 more medical group.
Does Dr. Fiona M. Fennessy accept Medicare?
Yes. CMS data shows Dr. Fennessy billed Medicare for 287 services in 2024, and Dr. Fennessy accepts Medicare assignment.
How many Medicare patients does Dr. Fiona M. Fennessy see?
CMS counts 349 Medicare patients who saw Dr. Fennessy in 2024, with an average age of 73.
What services does Dr. Fiona M. Fennessy bill to Medicare?
In 2024, Dr. Fennessy's most billed Medicare services were diagnostic imaging (74177), diagnostic imaging (74183) and diagnostic imaging (72197).
Has Dr. Fiona M. Fennessy received payments from drug or device companies?
CMS Open Payments shows $70 in general payments to Dr. Fennessy from 1 company from 2019 to 2019. The largest total came from Astellas Pharma US Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Fiona M. Fennessy been practicing?
Dr. Fennessy graduated from medical school in 1995, 31 years ago.
Does Dr. Fiona M. Fennessy do research?
Dmand AI links 87 publications to Dr. Fennessy, published from 2007 to 2024. Dr. Fennessy has worked on 4 clinical trials.
Who does Dr. Fiona M. Fennessy publish with?
Dr. Fennessy's most frequent co-authors are Kemal Tuncali, MD (8 shared papers), Sandeep Gupta, MD (7 shared papers) and Elmira Hassanzadeh (5 shared papers).
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