30 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Twardowska, Internist in Orange, CA?
Where did Dr. Twardowska go to medical school and complete their residency?
Residency: Catholic Hlth Partners, Internal Medicine
Medical School: Akademia Med- Lublin- Poland | Akademia Medyczna, Lublin
Is Dr. Twardowska board certified as an Internist?
Yes, Dr. Katarzyna Twardowska, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Twardowska speak?
Dr. Twardowska and their clinical team can communicate with patients in the following languages:
- English
What conditions does an Internist like Dr. Twardowska typically treat?
As an Internist, Dr. Twardowska diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Twardowska. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
Also known as:
- Lower Back Spinal Stenosis
- Lower Back Spinal Stenosis with Nerve Pain in Legs
- Spinal Stenosis
- Narrowing of Lower Back Spinal Canal
- Lumbar Spinal Canal Narrowing
- Lumbar Stenosis
- Lumbar Spinal Stenosis with Claudication
- Narrowing of Lower Back Spinal Canal with Leg Pain
- Nerve Compression in Lower Back with Walking Pain
ICD-10 Codes:
- M48061: Spinal stenosis, lumbar region without neurogenic claudication
- M48062: Spinal stenosis, lumbar region with neurogenic claudication
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
What procedures does an Internist like Dr. Twardowska typically perform?
As an Internist, procedures performed by Dr. Katarzyna Twardowska may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
Please contact Dr. Twardowska's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Twardowska accept my insurance?
Dr. Twardowska accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Twardowska accept in Orange, CA?
Dr. Twardowska in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Apex Healthcare
Blue Shield of California
Centene Corporation
City of Los Angeles
Heritage Health
Kaiser Permanente
Medicare
Other Health Care Provider
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Twardowska's office located?
What hospitals are Dr. Twardowska affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Twardowska has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked Mastectomy
What is Dr. Twardowska's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Twardowska's National Provider Identifier (NPI) number is 1790881795.
What common questions do patients ask about Dr. Twardowska?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Twardowska
What is Dr. Katarzyna Twardowska's specialty?
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.