NPPES file of Aug 9, 2026

Hei Jun Li, MD

Internal Medicine Physician · Saint Louis, MO

Hei Jun Li, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1295319408, issued on May 12, 2021. Check the license (Missouri 2024024274, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295319408
Name
Hei Jun Li
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2024024274 MO
Self-reported in NPPES; status is on the state search
Practice location
10024 Watson RD, Saint Louis, MO 63126
Phone
(314) 919-2500
Enumerated
May 12, 2021
Record last updated
Dec 11, 2025
Medicare enrollment
Enrolled (PECOS I20240808004592); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10024 Watson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anisha Chacko, MDInternal Medicine Physician1437504800
  2. Lindsey Duesterhaus, FNPFamily Nurse Practitioner1063783967
  3. Laura Esswein, MDAllergy Physician1174596860
  4. Rose Hiner, M.D.Internal Medicine Physician1235399817
  5. Candace HudsonNurse Practitioner1184733230
  6. Tulika Katyal, MDInternal Medicine Physician1194822304

Verify Hei Jun Li in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2024024274
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Hei Jun Li11
  2. Specialty average3,176

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.

Bills Medicare through 2 group practices

  1. Mercy Clinic East CommunitiesSaint Louis, MO
  2. Physician Groups LCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hei Jun Li among 2,604 internal medicine physician records in Missouri

Hei Jun Li, MD 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 2021, is newer than 79% of them.

  • NPI issued2021 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2024 · median 2006 among the 1,443 with a school on file
  • Record last updated2025 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anisha Chacko, MDSaint Louis, MO 631261437504800
  2. Rose Hiner, M.D.Saint Louis, MO 631261235399817
  3. Tulika Katyal, MDSaint Louis, MO 631261194822304
  4. Maung Htain LinSaint Louis, MO 631261720477029
  5. John Mulvahill, M.D.Saint Louis, MO 631261205195005
  6. Roberto Perez, M.D.Saint Louis, MO 631261417972894
  7. Max Rich, MDSaint Louis, MO 631261023637568
  8. Tuyche Sang, MDSaint Louis, MO 631261376954610

Common questions

What is Hei Jun Li, MD's NPI number?

Hei Jun Li, MD's National Provider Identifier (NPI) is 1295319408, issued on May 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Hei Jun Li, MD located?

The NPPES record lists a practice address at 10024 Watson RD, Saint Louis, MO, 63126. Phone: (314) 919-2500. Providers update this record themselves, so call before visiting.

How can I verify Hei Jun Li, MD's license?

NPPES lists Missouri license number 2024024274, 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 Hei Jun Li, MD prescribe under Medicare Part D?

In 2024, Hei Jun Li, MD had 11 Medicare Part D claims; 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.