Who is Dr. Ruan, Internist in Houston, TX?
Where did Dr. Ruan go to medical school and complete their residency?
Residency: New York Presbyterian/Weill Cornell Medical College | New York Presbyterian/Weill Cornell Medical College
Medical School: Ross University School Of Medicine
Is Dr. Ruan board certified as an Internist?
Yes, Dr. Cheng-Huai Ruan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ruan speak?
Dr. Ruan and their clinical team can communicate with patients in the following languages:
- Chinese
- English
- Spanish
What conditions does an Internist like Dr. Ruan typically treat?
As an Internist, Dr. Ruan 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. Ruan. 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:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
Also known as:
- Other Nutritional Deficiency
- Malnutrition
- Specific Nutrient Deficiency
- Uncommon Nutritional Lack
ICD-10 Codes:
- E638: Other specified nutritional deficiencies
Also known as:
- Cognitive and Awareness Problems
- Mild Cognitive Impairment
- Mental Disorder
- Mental Function Issues
- Thinking Problems
- Awareness Difficulties
- MCI
- Early Memory Loss
- Pre-Dementia
ICD-10 Codes:
- R4189: Other symptoms and signs involving cognitive functions and awareness
- G3184: Mild cognitive impairment of uncertain or unknown etiology
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Intestinal Malabsorption
- Malabsorption Syndromes
- Nutrient Malabsorption
- Digestive Malabsorption
- Malabsorption Disorder
ICD-10 Codes:
- K909: Intestinal malabsorption, unspecified
Also known as:
- Familial dysautonomia
- Autonomic Nervous System Disorder
- Riley-Day syndrome
- Hereditary sensory and autonomic neuropathy type III
- FD
ICD-10 Codes:
- G901: Familial dysautonomia [Riley-Day]
Also known as:
- Hashimoto's Disease
- Thyroid Disease
- Hashimoto's disease
- Autoimmune thyroiditis
- Chronic lymphocytic thyroiditis
- Hashimoto's thyroiditis
ICD-10 Codes:
- E063: Autoimmune thyroiditis
What procedures does an Internist like Dr. Ruan typically perform?
As an Internist, procedures performed by Dr. Cheng-Huai Ruan 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. Ruan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Ruan accept my insurance?
Dr. Ruan accepts most major insurance plans. Important: Please call our office at (713) 690-1991 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ruan accept in Houston, TX?
Dr. Ruan in Houston, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Health Care Service Corporation
Medicare
Memorial Hermann Health Insurance Company
UMR Administered Payer
UnitedHealth Group
Verda Healthcare
View All Insurances
Where is Dr. Ruan's office located?
Dr. Cheng-Huai Ruan's Primary Practice
333 West Loop N Ste 250
Houston, TX 77024
(713) 690-1991
What hospitals are Dr. Ruan affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Ruan has admitting privileges at the following hospitals:
Ranked Cancer Surgery
Ranked in 2 Procedures
Ratings & Reviews
5.0
Overall rating
Based on 13 reviews
Office Experience
96% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
100% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
76% of patients were satisfied with the wait time
Appointment Booking
95% of patients found it easy to book an appointment
Patients give Dr. Cheng-Huai Ruan an Excellent overall experience rating of 5 out of 5 stars. Dr. Ruan has been rated and reviewed by 13 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Ruan, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
Memorial Hermann Medical Doctors
Professional Member
Institute of Functional Medicine
Professional Member
Institute for Anti-Aging Medicine
Professional Member
American Board of Internal Medicine
Professional Member
American College of Lifestyle Medicine
Professional Member
Personalized Lifestyle Medicine Institute
Professional Member
Awards
Joe Dwek Teacher of The Year Award
New York Presbyterian
What is Dr. Ruan's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ruan's National Provider Identifier (NPI) number is 1629210927.
What common questions do patients ask about Dr. Ruan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ruan
What is Dr. Cheng-Huai Ruan'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.