DR. MARSHALL LOGAN WARREN DO
NPI 1942793112
Surgery - Vascular Surgery in New Braunfels, TX

Active since June 12, 2018PECOS EnrolledAccepts Medicare Assignment
479 OXFORD DR STE 104, NEW BRAUNFELS, TX 78130(830) 214-0300(830) 214-0397 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 15, 2025, Jun 12, 2018 (2 updates tracked since 2018).

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

NPI1942793112
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. MARSHALL LOGAN WARRENCredential: DO
Location Address479 OXFORD DR STE 104New Braunfels, TX 78130-7423
Mailing Address479 Oxford Dr Ste 104New Braunfels, TX 78130-7423 · (830) 660-8071
Fax(830) 214-0397
Sole ProprietorNo
Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 2018
Enumeration DateJune 12, 2018
Last NPPES UpdateSeptember 22, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2025
NPI 1942793112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License Licensed in TX · S7368
Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSurgeryTaxonomy 208600000X · License S7368 (TX)
479 OXFORD DR STE 104, New Braunfels, TX 78130

Medicare Participation & PECOS Enrollment Status

Marshall Warren is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Marshall Warren is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3274884028

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250909000904

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.23 for a new patient copayment and $17.13 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 78130 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $84.92
  • Minimum New Patient Price $54.84
  • Maximum New Patient Price $166.88
  • Average New Patient Copayment $21.23
  • Minimum New Patient Copayment $13.71
  • Maximum New Patient Copayment $41.72

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $68.55
  • Minimum Established Patient Price $17.52
  • Maximum Established Patient Price $136.11
  • Average Established Patient Copayment $17.13
  • Minimum Established Patient Copayment $4.38
  • Maximum Established Patient Copayment $34.02

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Marshall Warren is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
GUADALUPE REGIONAL MEDICAL CENTER1215 E COURT ST
SEGUIN, TX 78155
(830) 379-2411Acute Care Hospitals
CHRISTUS SANTA ROSA HOSPITAL-SAN MARCOS1301 WONDER WORLD DRIVE
SAN MARCOS, TX 78666
(512) 753-3690Acute Care Hospitals

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Interventional Cardiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Clinical Cardiac Electrophysiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Interventional Cardiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Interventional Cardiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Interventional Cardiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Cardiovascular Disease)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Internal Medicine (Interventional Cardiology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Physician Assistant
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Physician Assistant
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130
Nurse Practitioner (Gerontology)
479 OXFORD DR STE 104
NEW BRAUNFELS, TX 78130

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942793112, enumerated as an "individual" on June 12, 2018.

The provider is located at 479 OXFORD DR STE 104 NEW BRAUNFELS, TX 78130 and the phone number is (830) 214-0300.

Surgery with taxonomy code 2086S0129X and a focus in Vascular Surgery.

Marshall Warren is affiliated with: GUADALUPE REGIONAL MEDICAL CENTER and CHRISTUS SANTA ROSA HOSPITAL-SAN MARCOS.