RAUL ISERN MD
NPI 1326509050
Internal Medicine - Infectious Disease in Beaumont, TX
About Raul Isern Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAUL ISERN MD (NPI 1326509050) is an individual infectious disease provider in Beaumont, Texas, licensed in Nebraska (34355) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Christus Southeast Texas- St Elizabeth, and is a graduate of Other (2017).
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
Raul Isern 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.
Medicare Billing Reassignment
Medicare enrollment records show Raul Isern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Beaumont, TX 77702
- Reassigned Medicare billing, Texas enrollment
- 84 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.
Christus Southeast Texas- St Elizabeth
Acute Care Hospitals · Beaumont, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77702 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BEAUMONT, TX 77702
BEAUMONT, TX 77702
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 Raul Isern's NPI number?
The NPI number for Raul Isern is 1326509050. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Raul Isern located?
Raul Isern practices at 2830 Calder St, Beaumont, TX 77702. The listed phone number is (409) 791-8353.
What is Raul Isern's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Raul Isern enrolled in Medicare?
Yes. Raul Isern 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 Raul Isern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raul Isern reassigns Medicare benefits to Southeast Texas Intensivists, PLLC (Beaumont, TX). 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 Raul Isern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Raul Isern accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Health and Oscar Insurance Company list Raul Isern 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 Raul Isern affiliated with any hospitals?
According to CMS data, Raul Isern is affiliated with Christus Southeast Texas- St Elizabeth.
When was this NPI record last updated?
The NPPES record for Raul Isern was last updated on June 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Raul Isern, MD · NPI 1326509050
Infectious Disease physician in Beaumont, Texas. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1326509050 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 34355 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 2830 CALDER ST, Beaumont, TX 77702-1809
- **Phone:** (409) 791-8353
## 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:** Southeast Texas Intensivists, PLLC (NPI 1801579867, Beaumont, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** June 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1326509050) · Data from the CMS NPPES public registry.