DR. MARSHALL LOGAN WARREN DO
NPI 1942793112
Surgery - Vascular Surgery in New Braunfels, TX
About Dr. Marshall Logan Warren Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARSHALL LOGAN WARREN DO (NPI 1942793112) is an individual vascular surgery provider in New Braunfels, Texas, licensed in Texas (S7368) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Guadalupe Regional Medical Center, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2018).
NPPES Registry Identity
Specialties & Licenses 2
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. Marshall Logan Warren Do 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 Marshall Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Braunfels, TX 78130
- Reassigned Medicare billing, Texas enrollment
- 14 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Guadalupe Regional Medical Center
Acute Care Hospitals · Seguin, TXChristus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXResolute Health Hospital
Acute Care Hospitals · New Braunfels, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78130 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW BRAUNFELS, TX 78130
NEW BRAUNFELS, TX 78130
NEW BRAUNFELS, TX 78130
NEW BRAUNFELS, TX 78130
NEW BRAUNFELS, TX 78130
NEW BRAUNFELS, TX 78130
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 Marshall Warren's NPI number?
The NPI number for Marshall Warren is 1942793112. It was assigned to this individual provider in the NPPES registry on June 12, 2018.
Where is Marshall Warren located?
Marshall Warren practices at 479 Oxford Dr Ste 104, New Braunfels, TX 78130. The listed phone number is (830) 214-0300.
What is Marshall Warren's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Marshall Warren enrolled in Medicare?
Yes. Marshall Warren 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 Marshall Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Warren reassigns Medicare benefits to Lone Star Heart And Vascular Clinic PA (New Braunfels, 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 Marshall Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marshall Warren accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First and Oscar Insurance Company list Marshall Warren 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 Marshall Warren affiliated with any hospitals?
According to CMS data, Marshall Warren is affiliated with Guadalupe Regional Medical Center, Christus Santa Rosa Hospital-San Marcos and Resolute Health Hospital.
When was this NPI record last updated?
The NPPES record for Marshall Warren was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.