Susan O’Brien, MD
Enriched profileProfessor, Division of Hematology/Oncology, Department of Medicine, UC Irvine School of Medicine (recently retired from her administrative roles as Associate Director for Clinical Science, Chao Family Comprehensive Cancer Center, and Medical Director, Sue & Ralph Stern Center for Clinical Trials & Research, as of Dec. 2024) · University of California, Irvine
Susan O’Brien is Professor, Division of Hematology/Oncology, Department of Medicine, UC Irvine School of Medicine (recently retired from her administrative roles as Associate Director for Clinical Science, Chao Family Comprehensive Cancer Center, and Medical Director, Sue & Ralph Stern Center for Clinical Trials & Research, as of Dec. 2024) at University of California, Irvine. OpenAlex indexes 1,214 publications with 53,164 citations (h-index 123). Clarivate lists Susan O’Brien as a Highly Cited Researcher (Clinical Medicine, 2019-2025).
Data verified 14 Aug 2026
Overview
Updated 27 Aug 2026
Susan M. O'Brien is Professor, Division of Hematology/Oncology, Department of Medicine, UC Irvine School of Medicine (recently retired from her administrative roles as Associate Director for Clinical Science, Chao Family Comprehensive Cancer Center, and Medical Director, Sue & Ralph Stern Center for Clinical Trials & Research, as of Dec. 2024) at University of California, Irvine, Chao Family Comprehensive Cancer Center / School of Medicine, Division of Hematology/Oncology. The public record shows 1,214 publications with 53,164 citations (h-index 123), centered on Chronic Lymphocytic Leukemia Research, Chronic Myeloid Leukemia Treatments, Acute Lymphoblastic Leukemia research. It also documents 1 NIH-funded awards (2016–2023).
- Most recent indexed publication: 2018 · Cancer
- Top research focus: Chronic Lymphocytic Leukemia Research
Generated from the cited public record · current as of 27 Aug 2026. Every fact links its source below.
Indications focus
from trials led + research topicsResearch focus
OpenAlex concept fingerprintScholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID; 13 in PubMed.
Total citations across indexed works.
Hirsch index (OpenAlex). i10-index 570.
Clinical & industry
trials, payments and federal fundingNot shown. No U.S. clinical registration on file.
This is a research profile, built on the published record. There's no U.S. clinical registration (NPI) on file, so facts that hang off one (clinical specialty, industry payments) aren't shown. We'd rather leave a gap than guess. Why? →
Contact
An office address from a public listing. This research profile has no federal registry record to draw from.
Office address
Building 23, Room 405, 101 The City Drive South, Orange, CA 92868
Clinical trials
We didn't find any investigator roles for this person on ClinicalTrials.gov. Why? →
Industry payments
Not shown. This person has no U.S. clinical registration (NPI) on file, so we can't reliably tie industry payments reported to CMS to them. We'd rather leave a gap than guess. Why? →
NIH funding
Updated 27 Aug 2026
1 NIH research award on record, funded 2016–2023 per NIH RePORTER. The latest:
- Clinical Protocol and Data Management/CTO/DSMB
University of California-Irvine
FY2023$252,381P30CA062203 - Clinical Protocol and Data Management/CTO/DSMB
University of California-Irvine
FY2022$243,878P30CA062203 - Clinical Protocol and Data Management (CPDM)
University of California-Irvine
FY2020$262,645P30CA062203
Publications
Updated 27 Aug 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
Most-cited works
by citation count (OpenAlex)- 01The Biology of Chronic Myeloid Leukemia1,312 citations1999
- 02
- 03
- 04
- 05
Network
Updated 27 Aug 2026
The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.
Online presence
Updated 27 Aug 2026
This person's own public accounts first, then places where others mention them. Two different things, listed separately.
Owned accounts
public accounts run by this person- Doximity
doximity.com/pub/susan-o-brien-md-ce1970d9
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗ - LinkedIn
linkedin.com/in/susan-o-brien-905a4338
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →linkedin.com ↗ - ResearchGate
researchgate.net/scientific-contributions/Susan-OBrien-2135024885
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →researchgate.net ↗
Mentions by others
where others cite or feature them- Other
treatingbloodcancers.org/e09
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →treatingbloodcancers.org ↗ - Facebook
facebook.com/UCIPublicAffairs/posts/icymi-dr-susan-m-obrien-the-uci-chao-family-comprehensive-cancer-centers-associa/1289438084733737
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →facebook.com ↗ - Facebook
facebook.com/UCIrvineSOM/posts/renowned-leukemia-expert-dr-susan-obrien-to-join-the-chao-family-comprehensive-c/882240238460846
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →facebook.com ↗
We list an account only when the public record ties it to this person. verified means we've confirmed the match in more than one place; provisional means it looks right but we're still confirming.
Background & recognition
Updated 27 Aug 2026
Credentials, appointments and honors, newest first, each linked to the public source it came from.
Education
degrees and training on record- M.D.
University of Medicine and Dentistry of New Jersey (Newark, NJ) / Rutgers New Jersey Medical School
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →faculty.uci.edu ↗ - B.A.
Biochemistry, Mount Holyoke College
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →faculty.uci.edu ↗ - Internal Medicine residency
University of Medicine and Dentistry of New Jersey / Rutgers
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗ - Hematology/Oncology fellowship
University of Texas MD Anderson Cancer Center (via UT Health Science Center Houston), Houston, TX
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗ - Board Certified
American Board of Internal Medicine, Internal Medicine
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗ - Board Certified
American Board of Internal Medicine, Medical Oncology
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗
Editorial & leadership roles
journal and society appointments- Chair
International Workshop on Chronic Lymphocytic Leukemia (iwCLL)
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →iwcll.org ↗ - Board member
CLL Society
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →cllsociety.org ↗ - Editorial board / featured expert
SOHO Insider (Society of Hematologic Oncology)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →sohoinsider.com ↗
Highly Cited Researcher
Clarivate's annual list, by award category and year- Clinical Medicine2019202020212022202320242025verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →clarivate.com ↗
Awards & honors
honors on the public record- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →ucihealth.org ↗
- Binet-Rai Medal for Outstanding Contributions to CLL Research
20th iwCLL, October 2023 (shared with Catherine J. Wu, MD, Dana-Farber Cancer Institute)
2023verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →cllsociety.org ↗ - provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →cllsociety.org ↗
Secondary affiliations
appointments beyond the home institution- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →healio.com ↗
- Chair
International Workshop on Chronic Lymphocytic Leukemia (iwCLL)
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →iwcll.org ↗ - Member/leadership
SWOG Hematology Executive Committee (formerly Southwest Oncology Group Executive Committee)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →cllsociety.org ↗
Media & interviews
press, podcasts and appearances- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →bloodcancerstoday.com ↗
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →vjhemonc.com ↗
- Profile feature
The ASCO Post, "Embraces the Challenge of Balancing Patient Care With Clinical Trial Investigation"
2016verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →ascopost.com ↗
Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.
Similar KOLs
Other experts from the same institution or the same specialty.
Steven Potkin, MD
University of California, Irvine
Mitchell Brin, MD
University of California, Irvine
Deborah Wing, MD
University of California, Irvine
Tahseen Mozaffar, MD
University of California, Irvine