Accepting new patients

Dr. Rena Callahan, MD

Hematology ·  Female

Dr. Callahan

Santa Monica UCLA Hematolgy/Onc

2020 Santa Monica Blvd Ste 230 Santa Monica, CA 90404

Accepting new patients

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Dr. Rena Callahan, MD is a hematology specialist in Santa Monica, CA and has been practicing for 15 years. She graduated from University Of Pennsylvania School Of Medicine in 2004 and specializes in hematology and oncology.


Dr. Callahan's Reviews

Likelihood to recommend Dr. Callahan

4.2

Based on 19 reviews

5 Stars
78.94736842105263%
(15)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
21.05263157894737%
(4)

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Average Reported Wait Time
  • 10 – 15 minutes
Dr. Callahan's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Rena Callahan, MD
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Just amazing. Wonderful doctor and person.
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About Me

Biography

Dr. Rena Callahan, MD is a hematology specialist in Santa Monica, CA and has been practicing for 15 years. She graduated from University Of Pennsylvania School Of Medicine in 2004 and specializes in hematology and oncology.

Specialties

  • Hematology
  • Oncology

Board Certifications

  • Hematology
  • Medical Oncology
  • Oncology

Education

University of California At Los Angeles
Fellowship Hospital
University of California At Los Angeles
Residency Hospital
2004
University Of Pennsylvania School Of Medicine
Medical School
Yale University
2004

Awards

Insurance Check

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Dr. Callahan accepts

Accepted insurance can change. Please double-check when making an appointment.

(310) 829-5471

Dr. Callahan accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
CaliforniaCare HMO
Blue Cross Blue Shield of California
Blue Cross Blue Shield of California PPO
Cigna
Cigna HMO
Cigna PPO
Open Access
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Health Net of California
Large Group HMO
Large Group PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO
UnitedHealthCare
Choice Plus POS
Options PPO
PacifiCare HMO

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Callahan's experience treating your condition or procedure

Dr. Callahan's Top Procedures and Conditions

Treatment Frequency
Breast Diseases
very high
very high

Treatment Frequency

Dr. Callahan treats Breast Diseases more than 100% of her peers

Dr. Callahan treats this condition more than 100% of her peers

Breast Cancer
very high
very high

Treatment Frequency

Dr. Callahan treats Breast Cancer more than 96% of her peers

Dr. Callahan treats this condition more than 96% of her peers

Rating Includes other areas of care:

  • Angiosarcoma of the Breast
  • Basal Type Breast Cancer
  • Breast Cancer Recurrence
  • Ductal Carcinoma in Situ
  • Inflammatory Breast Cancer
  • Invasive Breast Cancer
  • Invasive Ductal Carcinoma
  • Invasive Lobular Carcinoma
  • Locally Advanced Breast Cancer
  • Lymphoma of the Breast
  • Male Breast Cancer
  • Malignant Breast Tumor
  • Metastatic Breast Cancer
  • Osteosarcoma of the Breast
  • Pre-Invasive Breast Cancer
  • Radiation-Induced Angiosarcoma of the Breast
  • Secretory Breast Carcinoma
  • Tubular Carcinoma
Cancer
very high
very high

Treatment Frequency

Dr. Callahan treats Cancer more than 95% of her peers

Dr. Callahan treats this condition more than 95% of her peers

Rating Includes other areas of care:

  • Adenoid Cystic Carcinoma
  • Adolescent Cancer
  • Adrenal Cortical Carcinoma
  • Adrenal Gland Cancer
  • Adult Cerebral Astrocytoma
  • Adult Small Cell Lung Cancer
  • Ampullary Carcinoma
  • Anal and Rectal Cancer
  • Anal Cancer
  • Anaplastic Oligodendroglioma
  • Angiosarcoma of the Breast
  • Appendix Cancer
  • Astrocytoma
  • Basal Cell Carcinoma (BCC)
  • Basal Type Breast Cancer
  • Benign Astrocytoma
  • Bile Duct Cancer
  • Biliary Cancer
  • Bladder Cancer
  • Blood Cancer
  • Bone Cancer
  • Brain and Nervous System Cancer (Includes: Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
  • Brain Cancer
  • Brainstem Glioma
  • Breast Cancer
  • Breast Cancer Recurrence
  • Bronchioalveolar Carcinoma
  • Bronchogenic Carcinoma
  • Cancer of Floor of Mouth
  • Cerebellar Astrocytoma
  • Cerebral Astrocytoma
  • Cervical Cancer
  • Cholangiocarcinoma
  • Chordoma
  • Choriocarcinoma
  • Chromophobe Renal Cell Carcinoma
  • Clear Cell Adenocarcinoma
  • Clear Cell Renal Cell Carcinoma
  • Colorectal Cancer
  • Cutaneous Squamous Cell Carcinoma
  • Distal Colorectal Cancer
  • Distal Gastrointestinal Tract Cancers
  • Ductal Carcinoma in Situ
  • Duodenal Cancer
  • Ear Cancer
  • Endocrine Cancer
  • Endometrial Cancer
  • ENT Cancer
  • Epidermoid Carcinoma
  • Epithelial-Myoepithelial Carcinoma
  • Esophageal Cancer
  • Extrahepatic Bile Duct Cancer
  • Eye Cancer
  • Facial Skin Cancer
  • Fallopian Tube Cancer
  • Familial Colorectal Cancer
  • Familial Pancreatic Cancer
  • Familial Renal Cancer
  • Familial Renal Cell Carcinoma
  • Fibrolamellar Hepatocellular Carcinoma
  • Follicular Adenocarcinoma
  • Follicular Thyroid Cancer
  • Gall Bladder Cancer
  • Gallbladder & Biliary Tract Cancer
  • Gastric Cancer, Borrmann 4
  • Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver)
  • Genital System Cancer
  • Genitourinary Cancers
  • Gland Cancer
  • Glassy Cell Carcinoma
  • Glioma
  • Gliomatosis Cerebri
  • Gynecologic Cancer
  • Hamartomatous Colorectal Cancer
  • Heart Cancer
  • Hepatobiliary Cancer
  • Hepatocellular Cancer
  • Hepatocellular Carcinoma
  • Hip Cancer
  • Hypopharyngeal Cancer
  • Inflammatory Breast Cancer
  • Infundibulocystic Basal Cell Carcinoma
  • Intestinal Cancer
  • Intrahepatic Cholangiocarcinoma
  • Invasive Breast Cancer
  • Invasive Ductal Carcinoma
  • Invasive Lobular Carcinoma
  • Joint Cancer
  • Juvenile Pilocytic Astrocytoma
  • Laryngeal Cancer
  • Laryngeal Carcinoma
  • Limb Cancer
  • Lip Cancer
  • Liver Cancer
  • Locally Advanced Breast Cancer
  • Lung Cancer
  • Lymphoma of the Breast
  • Male Breast Cancer
  • Male Genitourinary Cancer
  • Malignant Astrocytoma
  • Malignant Breast Tumor
  • Malignant Glioma
  • Mediastinal Cancer
  • Medullary Thyroid Cancer
  • Medulloblastoma
  • Melanoma-Astrocytoma Syndrome
  • Merkel Cell Cancer
  • Metastatic Adrenal Gland Cancer
  • Metastatic Blood Cancer
  • Metastatic Bone Cancer
  • Metastatic Breast Cancer
  • Metastatic Cancer
  • Metastatic Liver Cancer
  • Metastatic Lymph Cancer
  • Metastatic Nervous System Cancer
  • Metastatic Prostate Cancer
  • Metastatic Skin Cancer
  • Metastatic Soft Tissue Cancer
  • Metastatic Spinal Cord Cancer
  • Metastatic Squamous Neck Cancer With Occult Primary
  • MSI-H Colorectal Cancer
  • MSI-L Colorectal Cancer
  • MSS Colorectal Cancer
  • Muscle Cancer
  • Nasal Cavity Cancer
  • Nasopharyngeal Cancer
  • Neck Cancer
  • Nerve Cancer
  • Neuroendocrine Cancer
  • Nevoid Basal Cell Carcinoma Syndrome
  • Nodular Basal Cell Carcinoma
  • Noduloulcerative Basal Cell Carcinoma
  • Non-Melanoma Skin Cancer
  • Nonpolyposis Colorectal Cancer, Familial
  • Non-Small Cell Lung Cancer
  • Nose Cancer
  • Oligodendroglioma
  • Oral Cancer
  • Oral Squamous Cell Carcinoma
  • Oropharyngeal Cancer
  • Oropharyngeal Cancer, Adult
  • Osteosarcoma of the Breast
  • Ovarian Cancer
  • Ovarian Epithelial Cancer
  • Palate Cancer
  • Pancreatic Cancer
  • Pancreatic Islet Cell Cancer
  • Papillary Renal Cell Carcinoma
  • Papillary Thyroid Cancer
  • Paranasal Sinus Cancer
  • Parathyroid (Gland) Cancer
  • Parathyroid Carcinoma
  • Parotid Gland Cancer
  • Pediatric Cancer
  • Pelvic Cancer
  • Penile Cancer
  • Pharyngeal Cancer
  • Pigmented Basal Cell Carcinoma
  • Pleura Cancer
  • Pre-Invasive Breast Cancer
  • Primary Prostate Cancer
  • Prostate Cancer
  • Prostate Cancer - Hereditary - 1
  • Prostate Cancer - Hereditary - 10
  • Prostate Cancer - Hereditary - 11
  • Prostate Cancer - Hereditary - 14
  • Prostate Cancer - Hereditary - 2
  • Prostate Cancer - Hereditary - 3
  • Prostate Cancer - Hereditary - 4
  • Prostate Cancer - Hereditary - 5
  • Prostate Cancer - Hereditary - 6
  • Prostate Cancer - Hereditary - 7
  • Prostate Cancer - Hereditary - 8
  • Prostate Cancer - Hereditary - 9
  • Prostate Cancer - Hereditary - X-Linked 1
  • Prostate Cancer - Hereditary - X-Linked 2
  • Prostate Cancer - Hereditary -12
  • Prostate Cancer - Hereditary -13
  • Prostate Cancer - Hereditary -15
  • Radiation-Induced Angiosarcoma of the Breast
  • Rectal Cancer
  • Renal (Kidney) Cancer
  • Renal Cell Cancer
  • Respiratory System Cancer
  • Retinal Cancer
  • Salivary Gland Cancer
  • Sebaceous Gland Carcinoma
  • Secretory Breast Carcinoma
  • Sinonasal Undifferentiated Carcinoma
  • Sinus Cancer
  • Skin Cancer
  • Small Cell Lung Cancer
  • Spinal Cord Cancer
  • Spleen Cancer
  • Sporadic Colorectal Cancer
  • Squamous Cell Carcinoma
  • Squamous Cell Carcinoma of Conjunctiva
  • Squamous Cell Carcinoma of Head and Neck
  • Stomach and Small Intestine Cancer
  • Stomach Cancer
  • Stomach Cancer, Familial
  • Superficial Basal Cell Carcinoma
  • Supraglottic Laryngeal Cancer
  • Testicular Cancer
  • Thoracic Cancer
  • Throat Cancer
  • Thymus Cancer
  • Thyroid Cancer
  • Thyroid Cancer, Anaplastic
  • Thyroid Cancer, Familial Medullary
  • Thyroid Cancer, Hurthle Cell
  • Tongue Cancer
  • Trachea Cancer
  • Transitional Cell Cancer
  • Transitional Cell Carcinoma
  • Tubular Carcinoma
  • Urachal Cancer
  • Ureteral Cancer
  • Urinary Tract Cancer
  • Uterine Cancer
  • Vaginal Cancer
  • Visual Pathway and Hypothalamic Glioma
  • Vocal Cord Carcinoma
  • Vulvar Cancer

Dr. Callahan's conditions and procedures:

  • Acute Leukemia
  • Acute Myeloid Leukemia
  • All Lymphoma
  • Anal and Rectal Cancer
  • Anal Disorders
  • Anemia
  • Autoimmune Diseases
  • Basal Cell Carcinoma
  • Bleeding Disorders
  • Blood Disorders
  • Blood Disorders in Pregnancy
  • Bone Cancer
  • Bone Disorders
  • Bone Marrow Biopsy
  • Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
  • Brain Cancer
  • Brain Disorders
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Central Nervous System Lymphoma
  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia (CML)
  • Coagulation Defects in Pregnancy and Postpartum
  • Coagulation Disorders (incl. Hemophilia)
  • Colorectal Cancer
  • Deep Vein Thrombosis (DVT)
  • Esophageal Cancer
  • Esophageal Diseases
  • Gallbladder and Biliary Tract Cancer
  • Gallbladder Cancer
  • Gastrointestinal Diseases
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Hodgkin's Disease
  • Hypercoagulable State
  • Immune Thrombocytopenic Purpura (ITP)
  • Kidney Cancer
  • Laryngeal Cancer
  • Larynx Conditions
  • Leukocytosis
  • Liver Cancer
  • Lung Cancer
  • Lymphocytosis
  • Lymphoma, Large-Cell
  • Lymphosarcoma
  • Macroglobulinemia (incl. Waldenstrom's )
  • Mantle Cell Lymphoma
  • Melanoma
  • Multiple Myeloma
  • Myelodysplastic Syndromes
  • Myeloproliferative Disorders
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Oral Cancer
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pancytopenia
  • Peripheral T-Cell Lymphoma
  • Pituitary Gland Cancer
  • Plasmapheresis
  • Pleura Cancer
  • Pleural Cancer
  • Polycythemia Rubra Vera
  • Pregnancy-Related Disorders
  • Primary Central Nervous System Lymphoma
  • Primary Hypercoagulable State (incl. Factor V Leiden Disease)
  • Prostate Cancer
  • Pulmonary Disease
  • Purpura
  • Reticulosarcoma
  • Retina Diseases
  • Secondary Hypertension
  • Secondary Malignancies
  • Sickle Cell Disease
  • Skin Cancer
  • Small Intestine Cancer
  • Soft Tissue Sarcoma
  • Squamous Cell Carcinoma
  • Stomach and Small Intestine Cancer
  • Stomach Diseases
  • Thoracentesis
  • Throat Cancer (Nasopharyngeal)
  • Throat Cancer (Oropharyngeal)
  • Thrombocytosis
  • Thrombosis
  • Tongue Cancer
  • Urinary Disorders
  • Uterine Cancer
  • Uterine Diseases
  • Vascular Disease
  • Venous Embolism and Thrombosis
  • Vulvar Cancer

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Callahan treats patients.

Learn more

81% Patient experience rating, 12% higher than the national average

  • America's 100 Best Hospitals Award™ (2019)
  • America's 250 Best Hospitals Award™ (2019, 2018, 2017)
  • Outstanding Patient Experience Award™ (2019, 2018)

80% Patient experience rating, 11% higher than the national average

  • America's 100 Best Hospitals Award™ (2019)
  • America's 250 Best Hospitals Award™ (2019, 2018, 2017)
  • Outstanding Patient Experience Award™ (2019, 2018)
  • Patient Safety Excellence Award™ (2019, 2018)