18 Years of Experience
Accepting patients
Who is Dr. Chang, Hospitalist in Fullerton, CA?
Dr. Roger Chang, MD is a Hospitalist, who primarily practices in Fullerton, CA with 2 additional practice locations. He has been practicing for over 18 years and is board certified. Dr. Chang graduated from Northwestern University The Feinberg School of Medicine and completed his residency at La Co Harbor Ucla Med Ctr, Internal Medicine. Dr. Chang is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Chang’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (256) 509-9281.
Where did Dr. Chang go to medical school and complete their residency?
Residency: La Co Harbor Ucla Med Ctr, Internal Medicine | Harbor - UCLA Medical Center
Medical School: Northwestern Uniiversity | Northwestern University The Feinberg School of Medicine
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
English
Korean
Spanish
What conditions does Dr. Chang treat?
As a Hospitalist, Dr. Chang 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. Chang. 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:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
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:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Acute Bladder Infection
- Urinary Tract Infection
- Bladder Disease
- Acute Cystitis
- Sudden Bladder Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N3000: Acute cystitis without hematuria
- N390: Urinary tract infection, site not specified
Also known as:
- Toxic brain damage
- Brain disease (encephalopathy)
- Brain Disease
- Toxic encephalopathy
- Brain damage from toxins
- Drug-induced brain disorder
- Brain disorder
- Brain dysfunction
- Encephalopathy
ICD-10 Codes:
- G928: Other toxic encephalopathy
- G9340: Encephalopathy, unspecified
Also known as:
- Cellulitis of Left Lower Limb
- Cellulitis
- Left Leg Skin Infection
- Bacterial Left Leg Infection
- Spreading Left Leg Infection
- Bacterial Skin Infection
- Leg Skin Infection
- Spreading Skin Infection
ICD-10 Codes:
- L03116: Cellulitis of left lower limb
- L03115: Cellulitis of right lower limb
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:
- 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:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Also known as:
- Muscle Weakness
- Muscle Disorder
- Loss of strength
- Fatigue
- Muscle fatigue
ICD-10 Codes:
- R531: Weakness
Also known as:
- Low Sodium Levels
- Fluid and Electrolyte Balance
- Sodium
- Hyponatremia
- Low Blood Sodium
- Sodium Deficiency
ICD-10 Codes:
- E871: Hypo-osmolality and hyponatremia
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
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:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
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:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
Also known as:
- Worsening Chronic Diastolic Heart Failure
- Heart Failure
- Acute Decompensated HFpEF
- Sudden Worsening Diastolic Heart Failure
- Acute on Chronic Filling Heart Failure
ICD-10 Codes:
- I5033: Acute on chronic diastolic (congestive) heart failure
Which procedures does Dr. Chang perform as a Hospitalist?
As a Hospitalist, procedures performed by a Dr. Roger Chang may include:
For detailed information, please contact Dr. Chang's office.
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (256) 509-9281 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Fullerton, CA?
Dr. Chang in Fullerton, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
All Other Third Party
CalOptima
Centene
City of Los Angeles
CVS Health (formerly Aetna)
Medicaid
Medicare
Monarch HealthCare
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. Roger Chang's Primary Practice
1950 Sunny Crest Dr Ste 2900
Fullerton, CA 92835
(256) 509-9281
What is Dr. Chang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chang's National Provider Identifier (NPI) number is 1730158239.
What common questions do patients ask about Dr. Chang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang
What is Dr. Roger Chang's specialty?
Dr. Chang is a Hospitalist near Fullerton, CA. 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. Chang to book an appointment today.
Is this Dr. Roger Chang affiliated with a ranked Castle Connolly Top Hospital?
No, Chang is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence St. Joseph Hospital Orange. Castle Connolly Top Hospitals 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 Roger Chang accepting new patients in Fullerton, CA?
Yes, Dr. Roger Chang is accepting new patients at this time.
Does Dr. Roger Chang offer online booking?
Please contact Dr. Chang's office at (256) 509-9281 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Roger Chang?
Please contact Dr. Chang's office at (256) 509-9281 for information regarding telehealth appointment availability or for scheduling assistance.
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