CHARLES TRAN M.D.
NPI 1396159836
Internal Medicine in Saint Louis, MO
About Charles Tran M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES TRAN M.D. (NPI 1396159836) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2014018102) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Charles Tran M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Charles Tran reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Charles Tran's NPI number?
The NPI number for Charles Tran is 1396159836. It was assigned to this individual provider in the NPPES registry on June 12, 2014.
Where is Charles Tran located?
Charles Tran practices at 615 S New Ballas Rd Internal Medicine, Saint Louis, MO 63141. The listed phone number is (314) 509-5305.
What is Charles Tran's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Charles Tran enrolled in Medicare?
Yes. Charles Tran 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.
Which organizations bill Medicare for Charles Tran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Tran reassigns Medicare benefits to 6 organizations: Mercy Clinic East Communities (Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Hospital Lincoln (Winfield, MO), Mercy Clinic Adult Hospitalists- Jefferson, LLC (Festus, MO) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Tran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Tran accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 2 other insurers list Charles Tran as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Charles Tran affiliated with any hospitals?
According to CMS data, Charles Tran is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South, Missouri Baptist Medical Center and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Charles Tran was last updated on June 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Charles Tran, M.D. · NPI 1396159836
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 12, 2014.
## Identity
- **NPI:** 1396159836 (Entity type: Individual)
- **Enumerated:** June 12, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2014018102 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 615 S NEW BALLAS RD, INTERNAL MEDICINE, Saint Louis, MO 63141-8221
- **Phone:** (314) 509-5305 · **Fax:** (314) 251-4454
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic East Communities (NPI 1851335228, Saint Louis, MO); Mercy Hospitals East Communities (NPI 1851431738, Saint Louis, MO); St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Hospital Lincoln (NPI 1386040178, Winfield, MO); Mercy Clinic Adult Hospitalists- Jefferson, LLC (NPI 1083052492, Festus, MO); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 12, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1396159836) · Data from the CMS NPPES public registry.