DR. HEI JUN LI MD
NPI 1295319408
Internal Medicine in Saint Louis, MO
About Dr. Hei Jun Li Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HEI JUN LI MD (NPI 1295319408) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2024024274) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 2
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.
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Hei Jun Li Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hei Jun Li's NPI number?
The NPI number for Hei Jun Li is 1295319408. It was assigned to this individual provider in the NPPES registry on May 12, 2021. The provider is also known as Dr. Jason Li MD.
Where is Hei Jun Li located?
Hei Jun Li practices at 10024 Watson Rd, Saint Louis, MO 63126. The listed phone number is (314) 919-2500.
What is Hei Jun Li's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hei Jun Li enrolled in Medicare?
Yes. Hei Jun Li is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Hei Jun Li affiliated with any hospitals?
According to CMS data, Hei Jun Li is affiliated with Mercy Hospital South and Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Hei Jun Li was last updated on December 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
