DR. ALEX EDUARDO CALDERON RODRIGUEZ M.D.
NPI 1164040077
Student in an Organized Health Care Education/Training Program in St Louis, MO
About Dr. Alex Eduardo Calderon Rodriguez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEX EDUARDO CALDERON RODRIGUEZ M.D. (NPI 1164040077) is an individual student in an organized health care education/training program in St Louis, Missouri and active in the NPI registry since July 2020. He is enrolled in Medicare PECOS, is affiliated with Eastern Oklahoma Medical Center, and is a graduate of Other (2016).
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
Dr. Alex Eduardo Calderon Rodriguez 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 Reassignment
Medicare enrollment records show Alex Eduardo Calderon Rodriguez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas enrollment
- 658 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eastern Oklahoma Medical Center
Critical Access Hospitals · Poteau, OKOther 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 63117
SAINT LOUIS, MO 63117
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 Alex Eduardo Calderon Rodriguez's NPI number?
The NPI number for Alex Eduardo Calderon Rodriguez is 1164040077. It was assigned to this individual provider in the NPPES registry on July 7, 2020.
Where is Alex Eduardo Calderon Rodriguez located?
Alex Eduardo Calderon Rodriguez practices at 6420 Clayton Rd Department Of Internal Medicine, St Louis, MO 63117. The listed phone number is (314) 768-8778.
What is Alex Eduardo Calderon Rodriguez's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Alex Eduardo Calderon Rodriguez enrolled in Medicare?
Yes. Alex Eduardo Calderon Rodriguez 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 organization bills Medicare for Alex Eduardo Calderon Rodriguez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Eduardo Calderon Rodriguez reassigns Medicare benefits to Mercy Clinic Fort Smith Communities (Fort Smith, AR). The 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 Alex Eduardo Calderon Rodriguez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Eduardo Calderon Rodriguez accept?
Health plans from Health Advantage and Octave list Alex Eduardo Calderon Rodriguez 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 Alex Eduardo Calderon Rodriguez affiliated with any hospitals?
According to CMS data, Alex Eduardo Calderon Rodriguez is affiliated with Eastern Oklahoma Medical Center.
When was this NPI record last updated?
The NPPES record for Alex Eduardo Calderon Rodriguez was last updated on April 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Alex Eduardo Calderon Rodriguez, M.D. · NPI 1164040077
Student in an Organized Health Care Education/Training Program provider in St Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 7, 2020.
## Identity
- **NPI:** 1164040077 (Entity type: Individual)
- **Enumerated:** July 7, 2020
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 6420 CLAYTON RD, DEPARTMENT OF INTERNAL MEDICINE, St Louis, MO 63117
- **Phone:** (314) 768-8778 · **Fax:** (314) 768-7101
## 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:** Mercy Clinic Fort Smith Communities (NPI 1902073620, Fort Smith, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** April 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1164040077) · Data from the CMS NPPES public registry.