JM
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marker, Hospitalist in New Orleans, LA?
Dr. John Marker, MD is a Hospitalist, who primarily practices in New Orleans, LA with 2 additional practice locations. He is board certified. Dr. Marker is fluent in English, and is currently seeing new patients. Dr. Marker’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marker’s office.
What languages does Dr. Marker speak?
Dr. Marker and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Marker treat?
As a Hospitalist, Dr. Marker 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. Marker. 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.
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:
- 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:
- Sepsis
- Severe Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
- Systemic Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
- R6520: Severe sepsis without septic shock
Also known as:
- High Blood Pressure Heart and Kidney Disease with Heart Failure
- Chronic Kidney Disease
- Heart Failure
- High Blood Pressure
- Hypertensive Cardiorenal Syndrome
- Heart and Kidney Failure from High Blood Pressure
ICD-10 Codes:
- I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Also known as:
- Urinary Tract Infection
- Acute Bladder Infection
- Bladder Disease
- UTI
- Bladder infection
- Kidney infection
- Urine infection
- Acute Cystitis
- Sudden Bladder Infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
- N3000: Acute cystitis without hematuria
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Worsening Chronic Diastolic Heart Failure
- Acute on Chronic Heart Failure
- Heart Failure
- Acute Decompensated HFpEF
- Sudden Worsening Diastolic Heart Failure
- Acute on Chronic Filling Heart Failure
- Worsening chronic heart failure
- Acute decompensated heart failure
- Sudden worsening heart failure
ICD-10 Codes:
- I5033: Acute on chronic diastolic (congestive) heart failure
- I5043: Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
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:
- High Blood Pressure Heart Disease with Heart Failure
- Heart Failure
- High Blood Pressure
- Hypertensive Heart Failure
- High Blood Pressure Causing Heart Failure
ICD-10 Codes:
- I110: Hypertensive heart disease with heart failure
Also known as:
- COPD Flare-Up
- COPD
- COPD Exacerbation
- Chronic Obstructive Pulmonary Disease Flare-Up
- Worsening COPD
- COPD Attack
ICD-10 Codes:
- J441: Chronic obstructive pulmonary disease with (acute) exacerbation
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
Also known as:
- Metabolic Brain Disorder
- Brain Disease
- Metabolic Encephalopathy
- Brain Dysfunction from Metabolism
ICD-10 Codes:
- G9341: Metabolic encephalopathy
Also known as:
- Chronic Kidney Disease from High Blood Pressure
- Chronic Kidney Disease
- High Blood Pressure
- Hypertensive Chronic Kidney Disease
- High Blood Pressure Kidney Disease
- Hypertension-Related Kidney Disease
ICD-10 Codes:
- I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Also known as:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
Also known as:
- Low Potassium
- Fluid and Electrolyte Balance
- Potassium
- Hypokalemia
- Potassium Deficiency
ICD-10 Codes:
- E876: Hypokalemia
Which procedures does Dr. Marker perform as a Hospitalist?
As a Hospitalist, procedures performed by a Dr. John Marker may include:
For detailed information, please contact Dr. Marker's office.
Does Dr. Marker accept my insurance?
Dr. Marker accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marker accept in New Orleans, LA?
Dr. Marker in New Orleans, LA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross and Blue Shield of Louisiana
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medicare
MedImpact
State of Louisiana
UnitedHealthcare
View All Insurances
Where is Dr. Marker's office located?
What is Dr. Marker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marker's National Provider Identifier (NPI) number is 1942477583.
What common questions do patients ask about Dr. Marker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marker
What is Dr. John Marker's specialty?
Dr. Marker is a Hospitalist near New Orleans, LA. Hospitalists are physicians dedicated primarily to the general medical care of hospitalized patients. Their roles encompass patient care, education, research, and leadership within the field of Hospital Medicine. The term "hospitalist" specifically refers to physicians who focus on delivering care to patients during their hospital stays. Contact Dr. Marker to book an appointment today.
Is this Dr. John Marker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Marker is affiliated with Ochsner Medical Center - New Orleans which is a Castle Connolly Top Hospital. 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
Where can I learn more about Hospitalist?
Explore Hospitalist with 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 John Marker accepting new patients in New Orleans, LA?
Yes, Dr. John Marker is accepting new patients at this time.
Does Dr. John Marker offer online booking?
Please contact Dr. Marker's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Marker?
Please contact Dr. Marker's office for information regarding telehealth appointment availability or for scheduling assistance.
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