RC
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Christensen, Critical Care Internist in Orange, CA?
Dr. Roger Christensen, DO is a Critical Care Internist, who primarily practices in Orange, CA with 2 additional practice locations. He is board certified. Dr. Christensen is fluent in English, and is currently seeing new patients. Dr. Christensen’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Christensen’s office at (714) 966-7200.
What languages does Dr. Christensen speak?
Dr. Christensen and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Christensen treat?
As a Critical Care Internist, Dr. Christensen 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. Christensen. 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 Respiratory Failure with Low Oxygen
- Acute Respiratory Failure
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
- Sudden lung failure
- Acute breathing failure
- Rapid onset respiratory failure
- Lung failure
- Breathing failure
- Respiratory insufficiency
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
- J9600: Acute respiratory failure, unspecified whether with hypoxia or hypercapnia
- J9690: Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Diabetic Ketoacidosis
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Type 2 diabetes
- Hyperglycemia
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Ketoacidosis (DKA)
- DKA in Type 2 Diabetes
- High Blood Sugar Emergency
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1110: Type 2 diabetes mellitus with ketoacidosis without coma
- E1165: Type 2 diabetes mellitus with hyperglycemia
Also known as:
- Sudden Cardiac Arrest
- Heart stops beating
- Cardiopulmonary arrest
- Sudden heart failure
ICD-10 Codes:
- I469: Cardiac arrest, cause unspecified
- I468: Cardiac arrest due to other underlying condition
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
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:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
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:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
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:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
Which procedures does Dr. Christensen perform as a Critical Care Internist?
As a Critical Care Internist, procedures performed by a Dr. Roger Christensen may include:
- Arterial Line Placement
- Critical Care Consultation
- Critical Care Follow Up
- Intensive Critical Care Consultation
- Intensive Critical Care Follow Up
For detailed information, please contact Dr. Christensen's office.
Does Dr. Christensen accept my insurance?
Dr. Christensen accepts most major insurance plans. Important: Please call our office at (714) 966-7200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Christensen accept in Orange, CA?
Dr. Christensen in Orange, CA 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 Shield of California
CalOptima
Centene
City of Los Angeles
Humana
Medicaid
OptumRx
Other Health Care Provider
Preferred IPA
View All Insurances
Where is Dr. Christensen's office located?
Dr. Roger Christensen's Primary Practice
101 The City Dr S
Orange, CA 92868
(714) 966-7200
What is Dr. Christensen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Christensen's National Provider Identifier (NPI) number is 1114257771.
What common questions do patients ask about Dr. Christensen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Christensen
What is Dr. Roger Christensen's specialty?
Dr. Christensen is a Critical Care Internist near Orange, CA. An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists. Contact Dr. Christensen to book an appointment today.
Is this Dr. Roger Christensen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Christensen is affiliated with Uci Health - Fountain Valley, Uci Medical Center 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
Where can I learn more about Critical Care Internist?
Explore Critical Care Internist 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 Roger Christensen accepting new patients in Orange, CA?
Yes, Dr. Roger Christensen is accepting new patients at this time.
Does Dr. Roger Christensen offer online booking?
Please contact Dr. Christensen's office at (714) 966-7200 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Roger Christensen?
Please contact Dr. Christensen's office at (714) 966-7200 for information regarding telehealth appointment availability or for scheduling assistance.
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