My Clinical Expertise
Rare Diseases
- •Oncological Diseases (rare & hereditary cancers)
- •Genetic Disorders & Inborn Errors of Metabolism
- •Rare Autoimmune Conditions
- •Orphan Disease Consultation & Care Coordination
Genetic Testing & Evaluation
- •Hereditary Cancer Risk (BRCA, Lynch Syndrome & others)
- •Thrombophilia Panels (Factor V Leiden, MTHFR)
- •Pharmacogenomics & Drug Response Testing
- •Interpretation of Direct-to-Consumer Genetic Reports
- •Pre- & Post-test Genetic Counseling
Autoimmune Diseases
- •Autoimmune Thyroid Disease (Hashimoto's, Graves')
- •Rheumatoid Arthritis & Polymyalgia Rheumatica
- •Inflammatory Bowel Disease (autoimmune component)
- •Systemic Lupus Erythematosus (initial assessment & co-management)
- •Travel Medicine & Immunizations
Metabolic & Endocrine Disorders
- •Diabetes Mellitus (all types)
- •Hyperlipidemia & Obesity Management
- •Thyroid Disorders (including AITD) & Hyperprolactinaemia
- •Insulin Resistance & Metabolic Syndrome
- •Adrenal Gland Disorders
- •Ketogenic/Low-Carb Interventions
Neurological Diseases
- •Alzheimer's Disease & Dementia Management
- •Parkinson's Disease
- •Behavioral & Psychological Symptoms of Dementia (BPSD)
- •Headaches & Migraines
- •Palliative & End-of-Life Care
Gastrointestinal Disorders
- •Inflammatory Bowel Disease (Crohn's, Ulcerative Colitis)
- •Gastritis & Peptic Ulcer Disease
- •Gastroesophageal Reflux Disease (GERD)
- •Irritable Bowel Syndrome (IBS)
- •Small Intestinal Bacterial Overgrowth (SIBO)
- •Medical Cannabis Management
Mental Resilience
- •Management of Depression, Anxiety & Stress
- •Evidence-Based Burnout Prevention Strategies
- •Building Sustainable Stress Resilience
- •Supportive Counseling
- •Holistic Approach to Mental Well-being
- •Solution-Focused Brief Therapy (SFBT) Techniques
Habit Hacking
- •Supplementation Optimization & Biohacking
- •Habit Formation & Modification Coaching
- •Cognitive Performance Optimization Strategies
- •Weight Management & Nutritional Counseling (incl. Keto/LC)
- •Sleep Regulation for Cognitive Recovery
- •Addiction Support
My Commitment:
A physician trained to connect the dots
Medicine becomes meaningful when the scattered pieces finally make sense. After 45,823 consultations spanning almost the full spectrum of primary care, I have come to value one skill above all others: synthesis—the ability to recognize the pattern that turns a list of symptoms into a diagnosis.
That is why I am drawn to the cases that resist quick labels: rare diseases, multisystem problems, abnormal results without a clear explanation, and patients who have spent years moving from one partial answer to another. I work methodically, follow the evidence, and keep looking until the picture is coherent.
My training at Poznan University of Medical Sciences, more than eight years of clinical practice, and a background in medical research all shaped the same instinct: do not treat fragments in isolation. Ask better questions, interpret findings carefully, and get as close as possible to the cause.
patient consultations
- Diagnostic skill: I connect symptoms, history, laboratory data, and context into one clinical picture.
- Clinical breadth: 45,823 consultations across nearly the full range of primary care problems.
- Complex cases: Particular focus on rare disease, diagnostic odysseys, and multisystem illness.
- Evidence-based method: Targeted workups, careful interpretation, and decisions grounded in current literature.
My Approach:
A diagnostic method built on synthesis
My diagnostic process starts with one assumption: the body rarely tells its story in a straight line. The task is to take symptoms, history, prior results, and cross-specialty clues and turn them into one medically plausible explanation.
- History First: A good diagnosis starts with chronology, context, and detail. I pay close attention to onset, triggers, family history, previous treatment attempts, and the small inconsistencies that often matter most.
- Pattern Recognition Across Systems: Many difficult cases live between specialties rather than inside one of them. I look for the link between endocrine, immune, neurological, gastrointestinal, and psychiatric findings instead of treating each symptom as a separate story.
- Targeted Testing: I use laboratory work, imaging, genetic testing, and specialist input when they clarify the problem—not as diagnostic noise. The goal is precision: ask the next useful question, then interpret the answer carefully.
- Cause Before Convenience: Symptom relief matters, but it is not the endpoint. I try to identify the mechanism underneath the complaint so treatment is not only faster, but more durable and medically coherent.
- Evidence With Individual Fit: Clinical decisions should be grounded in data, literature, and experience—but also tailored to the person in front of me. The final plan has to make scientific sense and work in real life.
My Experience:
Clinical Areas of Focus
Trained at Poznan University of Medical Sciences and shaped by more than eight years of clinical practice, I work at the intersection of family medicine, internal medicine, and medical research. After 45,823 consultations covering nearly the full spectrum of primary care, I focus especially on rare disease, complex diagnostics, genetic interpretation, and cases that require cross-specialty synthesis rather than isolated symptom management.
My Employment:
Diagnostic Physician – Causal Medicine
wEBMed.pl
General Practitioner
Centrum Medyczne Hubert – Wschowa, Poland
University Research Assistant - Poznan University of Medical Sciences
Autoimmune thyroiditis research — genetic SNP analysis of the aTPO promotor region.
Poznan University of Medical Sciences
General Practitioner
24-hour Primary Care Service Unit
Nowy Szpital we Wschowie - Grupa Nowy Szpital Holding S.A.
General Practitioner
NZOZ Głogowskie Centrum Medyczne – Głogów, Poland
Medical Doctor
Głogowski Szpital Powiatowy Sp. z o.o. – Głogów, Poland
- Internal Medicine
- Pediatrics
- General Surgery & Orthopaedic surgery
- Obstetrics and Gynecology
- Anesthesiology and Intensive Care
- Emergency Medicine
- Psychiatry
- Family Medicine
My Education:
M.D. - Doctor of Medicine
Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu (UMP/PUMS)
EQF level 7
Good Clinical Practice (GCP)
National Drug Abuse Treatment NIDA
My Languages:
Mother Tongue & Other Languages
Listening
C2
Reading
C2
Speaking
C2
Writing
C2
Listening
A1
Reading
A2
Speaking
A2
Writing
A2
My Publications & Research:
Research Publications
Can Low SHBG Serum Concentration Be A Good Early Marker Of Male Hypogonadism In Metabolic Syndrome?
Authors: P Jarecki, WA Herman, E Pawliczak, K Lacka
Citations: 14
Impact Factor: 3.319.
Journal/Conference: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy, 2181-2191
Year: 2019
The Comparison of Predictive Value Among Chemerin, IL-18 and Hormonal Parameters in Assessing the Risk of Metabolic Syndrome in Men
Authors: P Jarecki, WA Herman, J Losy, K Lacka
Citations: 6
Impact Factor: 2.9.
Journal/Conference: American Journal of Men's Health 15 (4), 15579883211034984
Year: 2021
Is There a Link between Thyroid Peroxidase Gene Promoter Polymorphisms and Autoimmune Thyroiditis in the Polish Population?
Authors: K Lacka, A Maciejewski, P Jarecki, W Herman, JK Lacki, R Żaba
Citations: 1
Impact Factor: 5.6.
Journal/Conference: International Journal of Molecular Sciences 25 (6), 3312
Year: 2024
The Elevated Chemerin Plasma Concentrations in Men Diagnosed with Metabolic Syndrome are Correlated The Elevated Chemerin Plasma Concentrations in Men Diagnosed with Metabolic Syndrome are Correlated
Authors: P Jarecki, WA Herman, J Losy, K Lacka.
Journal/Conference: 20th European Congress of Endocrinology
Year: 2018
View Complete Google Scholar Profile
Consultations
Looking for a consultation?
For diagnostic and causal medicine appointments, I see patients through wEBMed.pl.
If you would like to book a consultation with me, that is the right place to start. wEBMed.pl is where I work with patients facing rare, complex, or still unexplained health problems and help turn scattered findings into a clear diagnostic plan.
Visit wEBMed.pl