Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hoang, Family Medicine Specialist in Lake Saint Louis, MO?
Is Dr. Hoang board certified as a Family Medicine Specialist?
Yes, Dr. Thien-An Hoang, MD is board certified by the American Board of Family Medicine
What languages does Dr. Hoang speak?
Dr. Hoang and their clinical team can communicate with patients in the following languages:
- English
- Vietnamese
What conditions does a Family Medicine Specialist like Dr. Hoang typically treat?
As a Family Medicine Specialist, Dr. Hoang 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. Hoang. 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:
- Routine Blood Pressure Check (Normal Findings)
- Vital Signs
- Normal BP reading
- Blood pressure screening, all clear
- Healthy blood pressure check
ICD-10 Codes:
- Z0130: Encounter for examination of blood pressure without abnormal findings
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Other Long-Term Drug Therapy
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
ICD-10 Codes:
- Z79899: Other long term (current) drug therapy
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Diabetes Complicationss
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Complications
- Diabetes Related Health Problems
- Advanced Diabetes
ICD-10 Codes:
- E1169: Type 2 diabetes mellitus with other specified complication
Also known as:
- General Disorder Screening
- Health Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
ICD-10 Codes:
- Z1389: Encounter for screening for other disorder
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Therapeutic Drug Monitoring
- Drug level testing
- Medication monitoring
- Therapeutic drug management
ICD-10 Codes:
- Z5181: Encounter for therapeutic drug level monitoring
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
What procedures does a Family Medicine Specialist like Dr. Hoang typically perform?
As a Family Medicine Specialist, Dr. Hoang performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Hoang. 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:
- Impacted Ear Wax Removal (One Ear)
- Cerumen Impaction Removal
- Ear Wax Extraction with Tools
- Professional Ear Cleaning
CPT Codes:
- 69210: Removal impacted cerumen requiring instrumentation, unilateral
Also known as:
- Trigger Point Injection
- Muscle Pain Injection
- Myofascial Trigger Point Injection
- Trigger Point Release Injection
CPT Codes:
- 20552: Injection(s); single or multiple trigger point(s), 1 or 2 muscle(s)
Does Dr. Hoang accept my insurance?
Dr. Hoang accepts most major insurance plans. Important: Please call our office at (636) 561-4100 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hoang accept in Lake Saint Louis, MO?
Dr. Hoang in Lake Saint Louis, MO 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Essence Healthcare
Medicare
Mutual of Omaha
UnitedHealth Group
View All Insurances
Where is Dr. Hoang's office located?
Dr. Thien-An Hoang's Primary Practice
200 Medical Plz Ste 101
Lake Saint Louis, MO 63367
(636) 561-4100
What hospitals are Dr. Hoang affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Hoang has admitting privileges at the following hospitals:

Ranked in 3 Specialties
Ranked in 7 Procedures
What is Dr. Hoang's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hoang's National Provider Identifier (NPI) number is 1871792796.
What common questions do patients ask about Dr. Hoang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hoang