DR. WARREN ALLEN SOUTHERLAND MD
NPI 1720516487
Anesthesiology - Pain Medicine in Houston, TX
About Dr. Warren Allen Southerland Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WARREN ALLEN SOUTHERLAND MD (NPI 1720516487) is an individual pain medicine provider in Houston, Texas, licensed in Texas (T7744) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (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. Warren Allen Southerland 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 Reassignments
2Medicare enrollment records show Warren Southerland reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 543 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDLuminis Health Doctors Community Medical Ctr, Inc
Acute Care Hospitals · Lanham, MDHouston Physicians' Hospital
Acute Care Hospitals · Webster, TXOther Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77024
HOUSTON, TX 77024
HOUSTON, TX 77024
HOUSTON, TX 77024
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 Warren Southerland's NPI number?
The NPI number for Warren Southerland is 1720516487. It was assigned to this individual provider in the NPPES registry on May 25, 2017.
Where is Warren Southerland located?
Warren Southerland practices at 9525 Katy Fwy Ste 206, Houston, TX 77024. The listed phone number is (713) 400-2990.
What is Warren Southerland's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Warren Southerland enrolled in Medicare?
Yes. Warren Southerland 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 organizations bill Medicare for Warren Southerland's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Southerland reassigns Medicare benefits to 2 organizations: Texans Anesthesia Associates PLLC (Webster, TX) and Anesthesia Company, LLC (Annapolis, MD). Each 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 Warren Southerland's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Warren Southerland accept?
Health plans from Blue Cross and Blue Shield of Texas list Warren Southerland 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 Warren Southerland affiliated with any hospitals?
According to CMS data, Warren Southerland is affiliated with Luminis Health Anne Arundel Medical Center, Inc, Luminis Health Doctors Community Medical Ctr, Inc and Houston Physicians' Hospital.
When was this NPI record last updated?
The NPPES record for Warren Southerland was last updated on May 28, 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.