34 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marcus, Internist in Ludington, MI?
Where did Dr. Marcus go to medical school and complete their residency?
Residency: Spectrum Hlth-Butterworth Camp, Internal Medicine | Butterworth Hospital
Medical School: University Of Ia Coll Of Med- Iowa City Ia | Roy J Lucille A Carver College of Medicine At University of Iowa,Iowa City, Ia, United States
Is Dr. Marcus board certified as an Internist?
Yes, Dr. Keith Marcus, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Marcus speak?
Dr. Marcus and their clinical team can communicate with patients in the following languages:
- English
What conditions does an Internist like Dr. Marcus typically treat?
As an Internist, Dr. Marcus 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. Marcus. 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:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Acute and Chronic Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
- Sudden and Long-Term Lung Failure with Low Oxygen
- Acute and Chronic Hypoxic Respiratory Failure
- Ongoing Breathing Failure with Low Oxygen
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
- J9621: Acute and chronic respiratory failure with hypoxia
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
What procedures does an Internist like Dr. Marcus typically perform?
As an Internist, procedures performed by Dr. Keith Marcus 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. Marcus' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Marcus accept my insurance?
Dr. Marcus accepts most major insurance plans. Important: Please call our office at (231) 843-2591 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marcus accept in Ludington, MI?
Dr. Marcus in Ludington, MI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Corewell Health
CVS Health (formerly Aetna)
Federal government of the United States
Humana
McLaren Health Care
Medicare
Spectrum / Priority Health
State of Michigan
UnitedHealth Group
View All Insurances
Where is Dr. Marcus' office located?
What hospitals are Dr. Marcus affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Marcus has admitting privileges at the following hospitals:
What is Dr. Marcus's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marcus's National Provider Identifier (NPI) number is 1255371365.
What common questions do patients ask about Dr. Marcus?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marcus
What is Dr. Keith Marcus'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.