Dr. William Chun Hahn, MD, PhD
- Publications
- 229
- Clinical trials
- 4
- Industry payments
- $257,833
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 450 Brookline Ave, Boston, MA 02215-5418
- Practice phone
- Call (617) 632-2641
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hahn'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. William Chun Hahn is a medical oncologist in Boston, Massachusetts
Dr. Hahn practices in Boston, Massachusetts.
Dr. Hahn's NPI, 1457313652, was assigned on April 4, 2006. Dr. Hahn holds Massachusetts license 150494.
- NPI
- 1457313652NPI Registry (opens in a new tab)
- NPI enumeration date
- April 4, 2006
- NPI status
- Active
- Practice phone
- (617) 632-2641
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. William Chun Hahn's practice address is in Boston, Massachusetts
Dr. Hahn's practice address in the NPI Registry is 450 Brookline Ave, Boston, MA 02215-5418. The practice phone is (617) 632-2641.
- NPI Registry address450 Brookline Ave, Boston, MA 02215-5418Phone(617) 632-2641
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Chun Hahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hahn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hahn's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Chun Hahn is one of 290 medical oncologists in Massachusetts
Medical oncology is Dr. Hahn's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Hahn is licensed in Massachusetts.
Specialties and state licenses
- Medical oncology, MassachusettsPrimary
Medical oncologists near Dr. Hahn
Counts of medical oncologists 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. William Chun Hahn has 229 publications on record
Dmand AI links 229 papers to Dr. Hahn, published from 2009 to 2025. 2017 was the busiest year, with 18. The most frequent topics are Cell Line, Tumor, Gene Expression Regulation, Neoplastic and Cell Proliferation. Dr. Hahn has published most often in Nat Commun. Dr. Hahn's most frequent co-authors are Andrew J. Aguirre, MD, PhD, Srivatsan Raghavan, MD and James Elliott Bradner, MD.
Dr. Hahn's papers by year, 2016 to 2025
Topics Dr. Hahn writes about most
- Cell Line, Tumor
- Gene Expression Regulation, Neoplastic
- Cell Proliferation
- Signal Transduction
- Drug Resistance, Neoplasm
- RNA, Small Interfering
- Transcription Factors
- Genomics
Dr. Hahn's most frequent co-authors
- Andrew J. Aguirre, MD, PhD32 shared papers
- Srivatsan Raghavan, MD13 shared papers
- James Elliott Bradner, MD11 shared papers
Recent publications by Dr. Hahn
A compendium of Amplification-Related Gain Of Sensitivity genes in human cancer (opens in a new tab)
Nat Commun
See who Dr. Hahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hahn works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Chun Hahn has worked on 4 clinical trials
Dmand AI links Dr. Hahn to 4 clinical trials. 1 is still active or recruiting. Conditions studied include Breast Neoplasms, Ovarian Neoplasms and Breast Diseases. AbbVie sponsors the most, 2. Open Payments lists research payments to Dr. Hahn that name 4 trials.
Conditions in Dr. Hahn's trials
- Breast Neoplasms
- Ovarian Neoplasms
- Breast Diseases
- Ovarian Diseases
Investigators on the most trials with Dr. Hahn
- Max Paul Rosen, MD, MPH3 shared trials
- Matthew Adam Barish, MD2 shared trials
- John K. Chan, MD2 shared trials
Recent clinical trials with Dr. Hahn
A Study of Niraparib (GSK3985771) Maintenance Treatment in Participants With Advanced Ovarian Cancer Following Response on Front-Line Platinum-Based Chemotherapy (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. William Chun Hahn received $257,833 in industry payments from 2016 to 2025
CMS Open Payments shows 94 general payments to Dr. Hahn from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 67% of the total. Merck Sharp & Dohme Corporation paid the most, $133,548. It also lists 96 research payments totaling $109,200 from 2016 to 2023, naming 4 clinical trials.
General payments to Dr. Hahn by program year, 2016 to 2025
General payments to Dr. Hahn by kind, 2016 to 2025
- Consulting fees$171,68467%
- Honoraria$80,01231%
- Travel and lodging$5,6742%
- Food and beverage$4470%
- Education$160%
Companies that paid Dr. Hahn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Chun Hahn'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 |
| 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. William Chun Hahn
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. William Chun Hahn's NPI number?
Dr. William Chun Hahn's NPI number is 1457313652. It was assigned on April 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Chun Hahn?
Dr. William Chun Hahn is a medical oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. William Chun Hahn practice?
Dr. Hahn practices at 450 Brookline Ave, Boston, MA 02215-5418.
What is Dr. William Chun Hahn's office phone number?
The practice phone on file for Dr. Hahn is (617) 632-2641.
What is Dr. William Chun Hahn's medical license number?
Dr. Hahn holds Massachusetts license 150494.
Has Dr. William Chun Hahn received payments from drug or device companies?
CMS Open Payments shows $257,833 in general payments to Dr. Hahn from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. William Chun Hahn been practicing?
Dr. Hahn's NPI was assigned in 2006.
Does Dr. William Chun Hahn do research?
Dmand AI links 229 publications to Dr. Hahn, published from 2009 to 2025. Dr. Hahn has worked on 4 clinical trials.
Who does Dr. William Chun Hahn publish with?
Dr. Hahn's most frequent co-authors are Andrew J. Aguirre, MD, PhD (32 shared papers), Srivatsan Raghavan, MD (13 shared papers) and James Elliott Bradner, MD (11 shared papers).
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