Expertise in
7
conditions

Dr. Maureen M. O'brien

Hematology | Oncology
Children's Hospital Colorado
13123 E 16th Ave, 
Aurora, CO 
Clinical Trials:Currently Recruiting for 2 Trials
Accepting New Patients
Expertise in
7
conditions
Children's Hospital Colorado
13123 E 16th Ave, 
Aurora, CO 

Overview

Maureen O'brien is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado.

Dr. O'brien is highly rated in 7 conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Agranulocytosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

She is actively involved in clinical research, co-authoring 74 peer reviewed articles and participating in 19 clinical trials. Dr. O'brien is currently accepting new patients.

Specialties

Hematology
Oncology

Licenses

Pediatric Hematology-Oncology in OH

Hospital Affiliations

Children's Hospital Colorado

Languages Spoken

English

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 2 Less Insurance Carriers -

Locations

Children's Hospital Colorado
13123 E 16th Ave, Aurora, CO 80045

Additional Areas of Focus

Dr. O'brien has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Immune Thrombocytopenic Purpura (ITP)

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

18 Clinical Trials

A Phase 3 Randomized Trial of Inotuzumab Ozogamicin (IND#:133494, NSC#: 772518) for Newly Diagnosed High-Risk B-ALL; Risk-Adapted Post-Induction Therapy for High-Risk B-ALL, Mixed Phenotype Acute Leukemia, and Disseminated B-LLy
A Phase 3 Randomized Trial of Inotuzumab Ozogamicin (IND#:133494, NSC#: 772518) for Newly Diagnosed High-Risk B-ALL; Risk-Adapted Post-Induction Therapy for High-Risk B-ALL, Mixed Phenotype Acute Leukemia, and Disseminated B-LLy
Enrollment Status: Recruiting
Publish Date: August 25, 2026
Intervention Type: Procedure, Drug, Biological, Radiation, Other
Study Drugs: Calaspargase, Cyclophosphamide, Cytarabine, Daunorubicin, Dexamethasone, Doxorubicin, Inotuzumab, Leucovorin, 6-Mercaptopurine, Methotrexate, Pegaspargase, Prednisolone, Thioguanine, Vincristine
Study Phase: Phase 3
A Phase 3 Randomized Trial for Patients With De Novo AML Comparing Standard Therapy Including Gemtuzumab Ozogamicin (GO) to CPX-351 With GO, and the Addition of the FLT3 Inhibitor Gilteritinib for Patients With FLT3 Mutations
A Phase 3 Randomized Trial for Patients With De Novo AML Comparing Standard Therapy Including Gemtuzumab Ozogamicin (GO) to CPX-351 With GO, and the Addition of the FLT3 Inhibitor Gilteritinib for Patients With FLT3 Mutations
Enrollment Status: Recruiting
Publish Date: July 29, 2026
Intervention Type: Procedure, Other, Drug
Study Drugs: Asparaginase, Erwinia Asparaginase, Cytarabine, Daunorubicin, Dexrazoxane, Etoposide, Gemtuzumab, Gilteritinib, Liposomal Daunorubicin, Liposomal Cytarabine, Methotrexate, Mitoxantrone, Hydrocortisone
Study Phase: Phase 3
International Phase 3 Trial in Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia (Ph+ALL) Testing Imatinib in Combination With Two Different Cytotoxic Chemotherapy Backbones
International Phase 3 Trial in Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia (Ph+ALL) Testing Imatinib in Combination With Two Different Cytotoxic Chemotherapy Backbones
Enrollment Status: Active_not_recruiting
Publish Date: August 19, 2026
Intervention Type: Drug, Procedure, Other, Biological
Study Drugs: Cyclophosphamide, Cytarabine, Daunorubicin Hydrochloride, Dexamethasone, Dexrazoxane Hydrochloride, Doxorubicin, Etoposide, Filgrastim, Ifosfamide, Imatinib Mesylate, Leucovorin Calcium, Mercaptopurine, Methotrexate, Methylprednisolone, Pegaspargase, Prednisolone, Hydrocortisone, Thioguanine, Vincristine Sulfate
Study Phase: Phase 3
Risk-Stratified Therapy for Acute Myeloid Leukemia in Down Syndrome
Risk-Stratified Therapy for Acute Myeloid Leukemia in Down Syndrome
Enrollment Status: Active_not_recruiting
Publish Date: August 19, 2026
Intervention Type: Drug, Other
Study Drugs: Asparaginase, Erwinia Asparaginase, Cytarabine, Daunorubicin, Etoposide, Mitoxantrone, Thioguanine
Study Phase: Phase 3
A Phase 3 Trial Investigating Blinatumomab (NSC# 765986) in Combination With Chemotherapy in Patients With Newly Diagnosed Standard Risk or Down Syndrome B-Lymphoblastic Leukemia (B-ALL) and the Treatment of Patients With Localized B-Lymphoblastic Lymphoma (B-LLy)
A Phase 3 Trial Investigating Blinatumomab (NSC# 765986) in Combination With Chemotherapy in Patients With Newly Diagnosed Standard Risk or Down Syndrome B-Lymphoblastic Leukemia (B-ALL) and the Treatment of Patients With Localized B-Lymphoblastic Lymphoma (B-LLy)
Enrollment Status: Active_not_recruiting
Publish Date: July 30, 2026
Intervention Type: Drug, Biological, Radiation
Study Drugs: Erwinia Asparaginase, Blinatumomab, Cyclophosphamide, Cytarabine, Dexamethasone, Doxorubicin Hydrochloride, Leucovorin Calcium, Mercaptopurine, Methotrexate, Pegaspargase, Prednisolone, Prednisone, Thioguanine, Vincristine Sulfate
Study Phase: Phase 3
A Phase 2 Study of Inotuzumab Ozogamicin (NSC# 772518) in Children and Young Adults With Relapsed or Refractory CD22+ B-Acute Lymphoblastic Leukemia (B-ALL)
A Phase 2 Study of Inotuzumab Ozogamicin (NSC# 772518) in Children and Young Adults With Relapsed or Refractory CD22+ B-Acute Lymphoblastic Leukemia (B-ALL)
Enrollment Status: Active_not_recruiting
Publish Date: July 30, 2026
Intervention Type: Drug, Procedure, Biological
Study Drugs: Cyclophosphamide, Cytarabine, Inotuzumab, Leucovorin, 6-Mercaptopurine, Pegaspargase, Vincristine
Study Phase: Phase 2
A Phase III Randomized Trial Investigating Bortezomib (NSC# 681239) on a Modified Augmented BFM (ABFM) Backbone in Newly Diagnosed T-Lymphoblastic Leukemia (T-ALL) and T-Lymphoblastic Lymphoma (T-LLy)
A Phase III Randomized Trial Investigating Bortezomib (NSC# 681239) on a Modified Augmented BFM (ABFM) Backbone in Newly Diagnosed T-Lymphoblastic Leukemia (T-ALL) and T-Lymphoblastic Lymphoma (T-LLy)
Enrollment Status: Active_not_recruiting
Publish Date: July 29, 2026
Intervention Type: Drug, Radiation
Study Drugs: Bortezomib, Cyclophosphamide, Cytarabine, Daunorubicin, Daunorubicin Hydrochloride, Dexamethasone, Doxorubicin, Doxorubicin, Etoposide, Hydrocortisone Sodium Succinate, Ifosfamide, Leucovorin Calcium, Mercaptopurine, Methotrexate, Pegaspargase, Thioguanine, Vincristine, Vincristine Sulfate
Study Phase: Phase 3
Risk-Stratified Randomized Phase III Testing of Blinatumomab (NSC#765986) in First Relapse of Childhood B-Lymphoblastic Leukemia (B-ALL)
Risk-Stratified Randomized Phase III Testing of Blinatumomab (NSC#765986) in First Relapse of Childhood B-Lymphoblastic Leukemia (B-ALL)
Enrollment Status: Active_not_recruiting
Publish Date: July 29, 2026
Intervention Type: Drug, Procedure, Biological, Other, Radiation
Study Drugs: Asparaginase, Blinatumomab, Cyclophosphamide, Cytarabine, Dexamethasone, Etoposide, Leucovorin Calcium, Mercaptopurine, Methotrexate, Mitoxantrone, Mitoxantrone Hydrochloride, Pegaspargase, Hydrocortisone, Thioguanine, Vincristine, Vincristine Sulfate
Study Phase: Phase 3
A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
Enrollment Status: Active_not_recruiting
Publish Date: July 29, 2026
Intervention Type: Other, Drug, Biological
Study Drugs: Bleomycin, Brentuximab, Cyclophosphamide, Doxorubicin, Etoposide, Methylprednisolone, Prednisone, Vincristine
Study Phase: Phase 3
A Phase III Randomized Trial for Newly Diagnosed High Risk B-Lymphoblastic Leukemia (B-ALL) Including a Stratum Evaluating Dasatinib (NSC#732517) in Patients With Ph-like Tyrosine Kinase Inhibitor (TKI) Sensitive Mutations
A Phase III Randomized Trial for Newly Diagnosed High Risk B-Lymphoblastic Leukemia (B-ALL) Including a Stratum Evaluating Dasatinib (NSC#732517) in Patients With Ph-like Tyrosine Kinase Inhibitor (TKI) Sensitive Mutations
Enrollment Status: Completed
Publish Date: June 02, 2026
Intervention Type: Drug, Other, Radiation
Study Drugs: Clofarabine, Cyclophosphamide, Cytarabine, Dasatinib, Daunorubicin Hydrochloride, Dexamethasone, Doxorubicin Hydrochloride, Etoposide, Hydrocortisone Sodium Succinate, Leucovorin Calcium, Mercaptopurine, Methotrexate, Pegaspargase, Prednisone, Thioguanine, Vincristine Sulfate
Study Phase: Phase 3
View 8 Less Clinical Trials

74 Total Publications

The usability of a video feedback-based walking aid skills training program: a multi-method study.
The usability of a video feedback-based walking aid skills training program: a multi-method study.
Journal: Disability and rehabilitation. Assistive technology
Published: June 05, 2026
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Frequently Asked Questions about Dr. Maureen M. O'brien

How do I make an appointment with Dr. Maureen M. O'brien?

You can book an appointment with Dr. Maureen M. O'brien by calling their office at 720-777-1234. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Maureen M. O'brien a top-rated expert for Acute Lymphoblastic Leukemia (ALL)?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Maureen M. O'brien is classified as an Elite expert for Acute Lymphoblastic Leukemia (ALL), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Maureen M. O'brien specialize in?

While Dr. Maureen M. O'brien is a Hematology, they have specific expertise in Acute Lymphoblastic Leukemia (ALL), Leukemia, and Agranulocytosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Maureen M. O'brien participate in research or clinical trials?

Yes. Dr. Maureen M. O'brien has published 74 articles and abstracts on conditions like Acute Lymphoblastic Leukemia (ALL). You can view a list of Dr. Maureen M. O'brien's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Maureen M. O'brien accept my insurance?

Dr. Maureen M. O'brien accepts most major insurance plans, including Anthem BCBS and CareSource. We recommend calling the office directly at 720-777-1234 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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