Affiliated with a Castle Connolly Top Hospital
Who is Dr. Baj-Osiewicz, Internist in Flint, MI?
Dr. Natalia Baj-Osiewicz, MD is an Internist, who primarily practices in Flint, MI with 1 additional practice location. Dr. Baj-Osiewicz is fluent in English, and is currently seeing new patients. Dr. Baj-Osiewicz’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Baj-Osiewicz’s office at (810) 762-1444.
What languages does Dr. Baj-Osiewicz speak?
Dr. Baj-Osiewicz and their clinical team can communicate with patients in the following languages:
English
What conditions does an Internist like Dr. Baj-Osiewicz typically treat?
As an Internist, Dr. Baj-Osiewicz 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. Baj-Osiewicz. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Brain disease (encephalopathy)
- Brain Disease
- Brain disorder
- Brain dysfunction
- Encephalopathy
ICD-10 Codes:
- G9340: Encephalopathy, unspecified
What procedures does an Internist like Dr. Baj-Osiewicz typically perform?
As an Internist, procedures performed by Dr. Natalia Baj-Osiewicz 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. Baj-Osiewicz's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Baj-Osiewicz accept my insurance?
Dr. Baj-Osiewicz accepts most major insurance plans. Important: Please call our office at (810) 762-1444 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Baj-Osiewicz accept in Flint, MI?
Dr. Baj-Osiewicz in Flint, MI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Michigan
Federal government of the United States
Henry Ford Health System
Humana
McLaren Health Care
Medicare
Molina Healthcare
Ultimate Healthcare Holdings
View All Insurances
Where is Dr. Baj-Osiewicz's office located?
Dr. Natalia Baj-Osiewicz's Primary Practice
420 S Saginaw St
Flint, MI 48502
(810) 762-1444
What is Dr. Baj-Osiewicz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Baj-Osiewicz's National Provider Identifier (NPI) number is 1619405123.
What common questions do patients ask about Dr. Baj-Osiewicz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Baj-Osiewicz
What is Dr. Natalia Baj-Osiewicz's specialty?
Dr. Baj-Osiewicz is a Internist near Flint, MI.
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.
Is this Dr. Natalia Baj-Osiewicz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Baj-Osiewicz is affiliated with Ascension Genesys Hospital, Um Health - Sparrow Hospital Lansing which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Internist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Natalia Baj-Osiewicz accepting new patients in Flint, MI?
Yes, Dr. Natalia Baj-Osiewicz is accepting new patients at this time.
Does Dr. Natalia Baj-Osiewicz offer online booking?
Please contact Dr. Baj-Osiewicz's office at (810) 762-1444 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Natalia Baj-Osiewicz?
Please contact Dr. Baj-Osiewicz's office at (810) 762-1444 for information regarding telehealth appointment availability or for scheduling assistance.
Other Internist Near Flint, MI

Internist
Internist
