Dr. William Chun Hahn, MD, PhD

  • Boston, MA
  • Medical oncologist
NPI1457313652
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
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Personal email
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Mobile number
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Social profiles

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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 and contact details
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 address
    450 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.

EHR by site
SiteEHR vendor and product
Dr. Hahn's practiceAvailable 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, MassachusettsPrimaryLicense 150494 · taxonomy 207RX0202X

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.

Papers229
Years published2009 to 2025

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

Recent publications by Dr. Hahn

See all 229 publications and co-authors

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.

How network discovery works

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

Recent clinical trials with Dr. Hahn

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

$257.8Kin total
  • 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.

See all payments to Dr. Hahn

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. William Chun Hahn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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