Justin Huynh, M.D.
Internal Medicine Physician · Saint Louis, MO
Justin Huynh, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1902096613, issued on Jul 29, 2007. Check the license (Missouri 2009029861, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Justin Huynh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2009029861 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4460 S Lindbergh Blvd, Saint Louis, MO 63127
- Phone
- (314) 843-7557
- Enumerated
- Jul 29, 2007
- Record last updated
- Mar 31, 2026
- Fax
- (314) 849-8671
- Medicare enrollment
- Enrolled (PECOS I20100813000758); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 4460 S Lindbergh Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Bannister, AGNPAdult Health Nurse Practitioner1245621093
- Kemdi Egekeze, MDFamily Medicine Physician1609452085
- Lydia Greffet, PA-CPhysician Assistant1942722574
- Kenneth Lee, DOFamily Medicine Physician1063040574
Verify Justin Huynh 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 2009029861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,693 Medicare Part D claims for 688 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 435 claims were for opioids.
Most prescribed
- Atorvastatin Calcium424 claims
- Amlodipine Besylate245 claims
- Lisinopril218 claims
- Hydrocodone-Acetaminophen191 claims
- Levothyroxine Sodium178 claims
- Omeprazole157 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: $20.38
1 payment: food and beverage; the largest payer was Cumberland Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Mercy Clinic East CommunitiesSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Huynh among 2,604 internal medicine physician records in Missouri
Justin Huynh, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 53% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2007 · median 2006 among the 1,443 with a school on file
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Bettonville, M.D.St Louis, MO 631271144273657
- Amita Bhalla, M.D.Saint Louis, MO 631271396754842
- Sirisha Brosch, M.D.Saint Louis, MO 631271215197173
- Mary Ehlman, MDSaint Louis, MO 631271235579012
- Chisom Eze, MDSaint Louis, MO 631271821527649
- Robert Fischer, M.D.St Louis, MO 631271548214455
- Kelly Gage, M.D.St Louis, MO 631271710930219
- Howard Kohn, MDSaint Louis, MO 631271053496745
Common questions
What is Justin Huynh, M.D.'s NPI number?
Justin Huynh, M.D.'s National Provider Identifier (NPI) is 1902096613, issued on Jul 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Justin Huynh, M.D. located?
The NPPES record lists a practice address at 4460 S Lindbergh Blvd, Saint Louis, MO, 63127. Phone: (314) 843-7557. Providers update this record themselves, so call before visiting.
How can I verify Justin Huynh, M.D.'s license?
NPPES lists Missouri license number 2009029861, 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 Justin Huynh, M.D. prescribe under Medicare Part D?
In 2024, Justin Huynh, M.D. had 6,693 Medicare Part D claims for 688 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.