Marshall Warren, DO
NPI 1942793112 · Vascular Surgery Physician · New Braunfels, TX
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Warren, DO is a Vascular Surgery Physician provider in New Braunfels, TX (NPI 1942793112).
Provider details
- NPI number
- 1942793112
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- S7368 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,302 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-12
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Marshall Warren's NPI number?
- Marshall Warren's National Provider Identifier (NPI) is 1942793112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Warren's specialty?
- Marshall Warren is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Warren located?
- Marshall Warren's practice location on file with NPPES is 479 Oxford Dr Ste 104, New Braunfels, TX 78130-7423.
- What is Marshall Warren's phone number?
- The practice phone number listed in the NPPES registry for Marshall Warren is (830) 214-0300.
- Does Marshall Warren accept Medicare?
- Marshall Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Warren's NPI active?
- Yes — Marshall Warren's NPI (1942793112) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.