Bartlomiej (Bart) Posnik, M.D.
Medical Oncology, Hematology
About
Bartlomiej (Bart) Posnik, M.D., is board certified in hematology, internal medicine, and medical oncology. Raised by physical therapist parents, he was always interested in science and social studies. Dr. Posnik knew early he wanted to pursue health and medicine. He decided to become a medical doctor after working as an English-Spanish interpreter at a St. Louis free medical clinic. In medical school, he entered internal medicine to make a real connection with patients and help them through difficult diagnoses.
He is incredibly proud of completing his hematology/oncology fellowship as chief fellow at Chicago’s John H. Stroger, Jr. Hospital of Cook County. The clinical experience prepared him well to diagnosis and treat a broad range of hematology and oncology conditions. Dr. Posnik is extremely proud to be part of Texas Oncology. It is respected for providing top quality cancer care close to the comfort of home and family.
Dr. Posnik says the most exciting thing about cancer treatment is the pace at which it is evolving. Many cancers once considered fatal are now managed as chronic medical conditions. Treatment is becoming more individualized, based on a person’s unique cancer cells. This leads to more personalized treatment options and a decrease in potential side effects.
Experience
Education
Residency in Internal Medicine
West Suburban Medical Center, Oak Park, IL
Fellowship in Hematology/Medical Oncology
John H. Stroger Jr. Hospital of Cook County, Chicago, IL
Medical Doctorate
Poznan University of Medical Sciences, Poznan, Poland
Bachelor of Arts
Saint Louis University, St. Louis, MO
Condition
Anemia
Comprehensive anemia care—diagnosis, treatment, and support to restore energy and improve quality of life.
Condition
Appendiceal Cancer
Specialized surgical care for appendiceal cancer—offering advanced treatment and support every step of the way.
Condition
Bladder CancerTexas Oncology offers specialized care and advanced treatments to diagnose, treat, and help patients manage bladder cancer.
Condition
Bone CancerLeading-edge treatments and personalized care for bone cancer—tailored to your needs and goals.
Condition
Brain CancerTailored brain cancer care with advanced diagnostics to improve outcomes while preserving brain function.
Condition
Breast CancerAdvanced breast cancer treatments and supportive care—delivered close to home across Texas.
Condition
Chest Wall TumorAdvanced chest wall tumor resection and reconstruction by thoracic surgeons, with minimally invasive options for faster recovery.
Condition
Chronic Lymphocytic LeukemiaCLL care from diagnosis through chemotherapy and supportive therapies—close to home.
Condition
Chronic Myeloid LeukemiaTargeted CML care with TKIs, immunotherapy, and stem cell transplant—personalized leukemia treatment, close to home.
Condition
Colon CancerColon cancer is a leading cause of cancer-related death in Texas, but the right medical care can save lives. Our physicians use the most advanced methods to diagnose and treat colon cancer. With locations across Texas, you don’t have to travel far to receive expert care.
Condition
Colon & Rectal CancerComprehensive care for colon and rectal cancers—from screening and diagnosis to surgery and survivorship. Focused rectal cancer care with advanced treatments and coordinated support—from diagnosis through recovery.
Condition
Esophageal CancerComprehensive esophageal cancer care—from advanced diagnostics to personalized treatment at every stage.
Condition
Gastric CancerComprehensive gastric cancer care with advanced therapies, personalized plans, and support to improve outcomes and well-being.
Condition
Head and Neck CancerPrecise surgery and coordinated care for head and neck cancers, including throat, oral, and salivary gland cancers.
Condition
Hodgkin LymphomaComprehensive Hodgkin lymphoma care—from accurate diagnosis to advanced treatments—personalized and close to home.
Condition
Kidney CancerTargeted kidney cancer care with advanced treatments and personalized support—from diagnosis through survivorship.
Condition
Larynx CancerVoice-preserving larynx cancer care with advanced diagnostics and personalized treatment options for better outcomes.
Condition
LeukemiaComplete leukemia care—from symptoms and diagnosis to personalized treatment—close to home at Texas Oncology.
Condition
Liver CancerPersonalized liver cancer care—including HCC—with advanced treatment options and compassionate support close to home.
Condition
Lung CancerLung cancer care with surgery, chemo, and immunotherapy—personalized, close to home.
Condition
MelanomaLeading melanoma care—from early detection to advanced treatment—tailored to your goals.
Condition
MesotheliomaDedicated mesothelioma care with advanced treatments to diagnose, treat, and help manage the disease.
Condition
Metastatic Breast CancerPersonalized care to manage stage IV breast cancer—from symptoms and diagnosis to treatment.
Condition
Multiple MyelomaComprehensive care for multiple myeloma—from diagnosis to immunotherapy and stem cell transplant—close to home.
Condition
Myelodysplastic SyndromeComplete MDS care—from diagnosis to drug therapy, stem cell transplant, and supportive care—close to home.
Condition
Myeloproliferative Neoplasms (MPN)Close-to-home care for myeloproliferative neoplasms—phlebotomy, targeted therapy, and stem cell transplant.
Condition
Ovarian CancerSpecialized ovarian cancer care with advanced surgery, therapies, and ongoing support—close to home.
Condition
Pancreatic CancerTailored pancreatic cancer care—advanced diagnosis, leading treatments, and coordinated support at every stage.
Condition
Primary Peritoneal Mesotheliaoma
Specialized surgery for primary peritoneal mesothelioma—focused on advanced treatment and improved quality of life.
Condition
Prostate CancerAll-stage prostate cancer care with leading-edge treatments—available at locations across Texas.
Condition
Lymphoma
Specialized lymphoma surgery for diagnosis and treatment—focused on effective care and better outcomes.
Condition
Renal CancerAdvanced kidney cancer care—diagnosis, precise surgery, and ongoing support for renal cell carcinoma.
Condition
Rectal CancerRectal Cancer
Personalized rectal cancer care with advanced surgical techniques for better outcomes and faster recovery.
Condition
SarcomaTargeted care for soft tissue and bone sarcomas with advanced surgery, coordinated therapies, and support tailored to your goals.
Condition
Skin CancerPersonalized surgical care for skin cancers with leading-edge options aligned to your treatment goals.
Condition
Stomach CancerStomach Cancer Surgery
Comprehensive surgical care for stomach cancer, focused on advanced techniques and personalized treatment plans.
Condition
Testicular CancerSpecialized testicular cancer care with advanced treatments—from diagnosis through survivorship.
Condition
Thyroid CancerPersonalized thyroid cancer care—advanced diagnosis, treatment, and ongoing support close to home.
Condition
Urologic CancersInnovative surgical solutions for kidney, bladder, and prostate cancers—focused on preserving health and quality of life.
Condition
Urothelial Cancer
Innovative treatments for bladder and urinary tract cancers—focused on preserving function and improving outcomes.
Condition
Adrenal Cancer
Specialized adrenal cancer surgery with advanced techniques for effective treatment and improved outcomes.
Condition
Acute Myeloid LeukemiaGuided AML care using genetic testing and counseling—to inform decisions and tailor treatment.
Condition
Adult Acute Lymphoblastic LeukemiaComplete adult ALL care—from diagnosis to chemotherapy and clinical trials—close to home.
Condition
Anal Cancer
Targeted surgical solutions for anal cancer—focused on preserving function and supporting your recovery every step of the way.
Condition
Penile Cancer
Specialized surgical care for penile cancer—focused on effective treatment, preservation, and compassionate support.
Condition
Acute Lymphocytic Leukemia
Targeted therapies and advanced treatments for acute lymphocytic leukemia—focused on remission and long-term wellness.
Condition
Hemophilia
Specialized surgical care for hemophilia—minimizing bleeding risks and supporting safe, effective recovery.
Service
High Risk Surveillance and Prevention
Monitors individuals at increased risk for disease, using screenings and interventions to detect and prevent health issues early.
Service
Precision MedicinePersonalized approach using genetic, environmental, and lifestyle data to tailor prevention, diagnosis, and treatment for each individual.
Diagnosis
Breast Cancer Risk Assessment
Evaluates personal and family history to estimate an individual's likelihood of developing breast cancer and guide prevention strategies.
Diagnosis
Clinical Breast Exam
A clinical breast exam is a physical check by a healthcare provider to detect lumps or changes in breast tissue for early cancer detection.
Diagnosis
PSA Test
PSA blood test for prostate cancer screening and monitoring—personalized guidance from Texas Urology Specialists.
Diagnosis
Screening
Personalized screening and cancer care, with genetic testing, clinical trials, and support—close to home across Texas.
Diagnosis
Screening for Prostate Cancer
A quick blood test and exam help detect prostate cancer early, improving treatment options and outcomes for men at risk.
Treatment
ChemotherapyChemotherapy with the latest medications, delivered by oncologists with decades of experience and a focus on minimizing side effects.
Treatment
Hormone TherapyTargeted treatments that block or reduce hormones to slow the growth of hormone‑sensitive cancers.
Treatment
ImmunotherapyBoost your immune system to fight cancer with advanced immunotherapy, including CAR-T and checkpoint inhibitors.
Treatment
Infusion TherapyComfortable outpatient infusion care for cancer and chronic conditions—skilled teams with advanced safety protocols.
Treatment
Second Opinion Consultation
A second opinion consultation provides expert review of a diagnosis or treatment plan to ensure accuracy and explore alternative options.
Locations