PelvisPhantoms, ImagingRadiation Dosage
Dr. Sjirk J. Westra, MD
NPI1952391211
- Medicare services, 2017
- 13
- Publications
- 73
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical groups
- 6
- 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. Westra's professional email, personal email and mobile number
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Dr. Sjirk J. Westra is a diagnostic radiologist in Boston, Massachusetts
Dr. Westra practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Westra's NPI, 1952391211, was assigned on October 26, 2005. Dr. Westra graduated from University of Groningen Faculty of Medical Science in 1984. Dr. Westra holds Massachusetts license 207904.
NPI and contact details
- NPI
- 1952391211NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2005
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sjirk J. Westra practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Westra'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. Sjirk J. Westra is affiliated with 2 sites of care and 6 medical groups
Dr. Westra's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Westra to 5 more medical groups and 1 community health center, each named with a free account.
Massachusetts General Physicians Organization (MGPO)5 medical groupsNames with a free account1 community health centerName with a free account
See all 8 affiliations for Dr. WestraSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sjirk J. Westra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Westra practices, 2 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 |
| +1 more site and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sjirk J. Westra is one of 1,246 diagnostic radiologists in Massachusetts
Diagnostic radiology is Dr. Westra's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Westra is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Westra's licenses on file in 5 states: Massachusetts, Washington, New Hampshire, California and Illinois.
Specialties and state licenses
- Diagnostic radiology, MassachusettsPrimary
- Washington license
- New Hampshire license
- California license
- Illinois license
Diagnostic radiologists near Dr. Westra
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
1,246diagnostic radiologists in Massachusetts540diagnostic radiologists in Boston174diagnostic radiologists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sjirk J. Westra billed Medicare for 13 services in 2017
CMS data shows 13 Medicare services from Dr. Westra across 1 procedure code in 2017. Medicare paid $878 for them. Every service was in an office.
Medicare services, 201713
Paid by Medicare$878
Procedure codes1
Dr. Westra's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Imaging
- 2016: 142017: 137%
Dr. Westra compared with the Massachusetts median for diagnostic radiologists, 2017
- Dr. Westra
- Massachusetts median
- Medicare services
- 13vs 2,24299% below
Medians across 1,108 diagnostic radiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Westra's most billed Medicare procedure codes, 2017
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. Westra?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Westra and other diagnostic radiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sjirk J. Westra's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Dr. Westra's median patient age at 14, with 46% women.
Dr. Westra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
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Dr. Sjirk J. Westra has 73 publications on record
Dmand AI links 73 papers to Dr. Westra, published from 2006 to 2021. 2013 was the busiest year, with 4. The most frequent topics are Tomography, X-Ray Computed, Diagnosis, Differential and Radiation Dosage. Dr. Westra has published most often in N Engl J Med. Dr. Westra's most frequent co-authors are Michael S. Gee, MD, PhD, Karl C. Kuban, MD and Cindy Renee Miller, MD.
Papers73
Years published2006 to 2021
Dr. Westra's papers by year, 2008 to 2021
Topics Dr. Westra writes about most
- Tomography, X-Ray Computed
- Diagnosis, Differential
- Radiation Dosage
- Lung
- Radiography
- Radiography, Thoracic
- Ultrasonography
- Algorithms
Dr. Westra's most frequent co-authors
- Michael S. Gee, MD, PhD6 shared papers
- Karl C. Kuban, MD6 shared papers
- Cindy Renee Miller, MD5 shared papers
Recent publications by Dr. Westra
AbdomenMonte Carlo MethodPhantoms, Imaging
AbdomenMultidetector Computed TomographyRadiation Dosage
Age Determination by SkeletonAlgorithmsArtificial Intelligence
See who Dr. Westra researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Westra 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. Sjirk J. Westra received $18 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Westra from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $18.
Companies that paid Dr. Westra the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sjirk J. Westra has 9 awards and honors on record
Dmand AI lists 9 awards for Dr. Westra, most recently Certificate of Appreciation in 2011. Dr. Westra serves on Committee on Appropriateness Criteria Expert Panel on Pediatric Imaging American College of Radiology.
Awards and honors for Dr. Westra
- 2011
- Certificate of Appreciation
- 2010
- Partners in Excellence Award
- 2008
- Honorable Mention
- 2003
- Award for Reviewing, with Special Distinction
- 1995
- Certificate of Merit
- 1992
- Prize for Best Poster
Dr. Westra's committees and leadership roles
- Committee on Appropriateness Criteria Expert Panel on Pediatric Imaging American College of RadiologyPrincipal Author
- 2015 to present
Source: Dmand AI Professional Profile Data
Dr. Sjirk J. Westra graduated from University of Groningen Faculty of Medical Science
Dr. Westra graduated from University of Groningen Faculty of Medical Science in 1984.
- Medical school
- Board certified in diagnostic radiology
- Board certified in pediatric radiology
Source: Dmand AI Professional Profile Data
Dr. Sjirk J. Westra accepts plans from 2 insurance carriers
Dr. Westra is in network with 2 carriers, including RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- RI State Medicaid
- VT State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Sjirk J. Westra'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 Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Sjirk J. Westra
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. Sjirk J. Westra's NPI number?
Dr. Sjirk J. Westra's NPI number is 1952391211. It was assigned on October 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sjirk J. Westra?
Dr. Sjirk J. Westra is a diagnostic radiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Sjirk J. Westra practice?
Dr. Westra practices at 55 Fruit Street, Boston, MA 02114. Dr. Westra's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Westra to 5 medical groups and 1 community health center.
What is Dr. Sjirk J. Westra's office phone number?
The practice phone on file for Dr. Westra is (617) 726-2000.
What is Dr. Sjirk J. Westra's medical license number?
Dr. Westra holds Massachusetts license 207904, one of the licenses on file in 5 states.
Which states has Dr. Sjirk J. Westra been licensed in?
Dmand AI has state licenses on file for Dr. Westra in Massachusetts (2000 to 2027), Washington (2024 to 2027), New Hampshire (2022 to 2026), California (1993 to 2019) and Illinois (1999 to 2002).
Which hospitals is Dr. Sjirk J. Westra affiliated with?
Dr. Westra practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Sjirk J. Westra part of?
Dr. Westra is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Westra to 5 more medical groups.
Does Dr. Sjirk J. Westra accept Medicare?
Yes. CMS data shows Dr. Westra billed Medicare for 13 services in 2017.
Is Dr. Sjirk J. Westra board certified?
Yes. Dr. Westra is board certified in diagnostic radiology by the American Board of Radiology.
Show 7 more questionsShow fewer questions
What services does Dr. Sjirk J. Westra bill to Medicare?
In 2017, Dr. Westra's most billed Medicare services were diagnostic imaging (74220).
Where did Dr. Sjirk J. Westra go to medical school?
Dr. Westra graduated from University of Groningen Faculty of Medical Science in 1984.
Has Dr. Sjirk J. Westra received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Westra from 1 company from 2022 to 2022. The largest total came from GE Healthcare.
How long has Dr. Sjirk J. Westra been practicing?
Dr. Westra graduated from medical school in 1984, 42 years ago.
Does Dr. Sjirk J. Westra do research?
Dmand AI links 73 publications to Dr. Westra, published from 2006 to 2021.
Who does Dr. Sjirk J. Westra publish with?
Dr. Westra's most frequent co-authors are Michael S. Gee, MD, PhD (6 shared papers), Karl C. Kuban, MD (6 shared papers) and Cindy Renee Miller, MD (5 shared papers).
What insurance does Dr. Sjirk J. Westra accept?
Dr. Westra is in network with 2 carriers, including RI State Medicaid and VT State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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