Thien-An Hoang, M.D
Family Medicine Physician · Lake St Louis, MO
Thien-An Hoang, M.D is a family medicine physician with a practice address in Lake St Louis, Missouri, and NPI 1871792796, issued on Jul 11, 2007. Check the license (Missouri 2013041288, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Thien-An Hoang
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2013041288 MO
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plz, Lake St Louis, MO 63367
- Phone
- (636) 561-4100
- Enumerated
- Jul 11, 2007
- Record last updated
- Feb 18, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (636) 561-8445
- Medicare enrollment
- Enrolled (PECOS I20140329000208); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 200 Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ember Figgins, PHARM.D.Pharmacist1891638649
- Gihan Kader, MDNeurology Physician1548258684
Verify Thien-An Hoang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013041288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average family medicine physician in 2024
11,179 Medicare Part D claims for 679 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 369 claims were for opioids.
Most prescribed
- Atorvastatin Calcium776 claims
- Amlodipine Besylate427 claims
- Losartan Potassium397 claims
- Levothyroxine Sodium381 claims
- Omeprazole346 claims
- Lisinopril289 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $471.50
25 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Aging Well Health Care, LLCSaint Louis, MO
- American Multispecialty Group IncWentzville, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thien-An Hoang among 2,991 family medicine physician records in Missouri
Thien-An Hoang, M.D is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2006 among the 1,778 with a school on file
- Record last updated2015 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Lake St Louis
They are 8 of the 264 NPPES records with a practice address in Lake St Louis, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Lake St Louis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Devin Bell, D.O.Lake St Louis, MO 633671710240221
- Numan Choudhry, M.D.Lake Saint Louis, MO 633671528591633
- Jessica Miller, M.D.Lake St Louis, MO 633671922234475
- Christopher Miller, MDLake Saint Louis, MO 633671477282663
- Tara Rognan, D.O.Lake St Louis, MO 633671598147886
- Scott Roos, MDLake St Louis, MO 633671770596983
- Brian Smith, M.D.Lake St Louis, MO 633671780645408
- Christina Thoma, MDLake St Louis, MO 633671881124311
Common questions
What is Thien-An Hoang, M.D's NPI number?
Thien-An Hoang, M.D's National Provider Identifier (NPI) is 1871792796, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thien-An Hoang, M.D located?
The NPPES record lists a practice address at 200 Medical Plz, Lake St Louis, MO, 63367. Phone: (636) 561-4100. Providers update this record themselves, so call before visiting.
How can I verify Thien-An Hoang, M.D's license?
NPPES lists Missouri license number 2013041288, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thien-An Hoang, M.D prescribe under Medicare Part D?
In 2024, Thien-An Hoang, M.D had 11,179 Medicare Part D claims for 679 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.