NPPES file of Aug 9, 2026

Warren Allen Southerland, MD

Pain Medicine (Anesthesiology) Physician · Houston, TX

Warren Allen Southerland, MD is a pain medicine (anesthesiology) physician with a practice address in Houston, Texas, and NPI 1720516487, issued on May 25, 2017. Check the license (Texas T7744, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720516487
Name
Warren Allen Southerland
Credential
MD
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
T7744 TX
Self-reported in NPPES; status is on the state search
Practice location
9525 Katy Fwy Ste 206, Houston, TX 77024
Phone
(713) 400-2990
Enumerated
May 25, 2017
Record last updated
May 28, 2025
Fax
(713) 400-2993
Medicare enrollment
Enrolled (PECOS I20221012003347); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9525 Katy Fwy Ste 206

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ravi Dalsania, MDAnesthesiology Physician1871170662
  2. Brice Dean, MDAnesthesiology Physician1770161754
  3. Misael Del Valle, M.D.Anesthesiology Physician1184036998
  4. Matthew Hatch, DNAP, CRNACertified Registered Nurse Anesthetist1568289155
  5. Timothy Hollenbeck, M.D.Anesthesiology Physician1205038205
  6. Ifeanyi Ikwuanusi, MDAnesthesiology Physician1376120998

Verify Warren Allen Southerland in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T7744
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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8% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

1,607 Medicare Part D claims for 296 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 770 claims were for opioids.

  1. Warren Southerland1,607
  2. Specialty average1,750

Most prescribed

  1. Hydrocodone-Acetaminophen467 claims
  2. Cyclobenzaprine Hcl149 claims
  3. Gabapentin141 claims
  4. Oxycodone-Acetaminophen86 claims
  5. Methocarbamol77 claims
  6. Acetaminophen-Codeine64 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,008.01

32 payments; by number, the most common kind was food and beverage; the largest payer was Painteq LLC. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Warren Southerland$1,008.01
  2. Specialty average$3,225.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Anesthesia Company LLCAnnapolis, MD
  2. Texans Anesthesia Associates PLLCSugar Land, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Warren Allen Southerland among 382 pain medicine (anesthesiology) physician records in Texas

Warren Allen Southerland, MD is one of 382 pain medicine (anesthesiology) physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 92% of them.

  • NPI issued2017 · 92% of these records are older, 4% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2007 among the 284 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in Texas

There are 382 pain medicine (anesthesiology) physician records in Texas.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. See Chin, M.D.Houston, TX 770241255646006
  2. Daniel DaoHouston, TX 770241487888210
  3. Christina Le-Short, M.D.Houston, TX 770241932499423
  4. Abdul Memon, M.D.Houston, TX 770241043201650
  5. Lida Dahm, M.D.Houston, TX 770271164552394
  6. Allen Burton, M.D.Houston, TX 770301760582688
  7. Octavio Calvillo, M.D.Houston, TX 770301831131572
  8. Joseph Chiang, M.D.Houston, TX 770301841398716

Common questions

What is Warren Allen Southerland, MD's NPI number?

Warren Allen Southerland, MD's National Provider Identifier (NPI) is 1720516487, issued on May 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Warren Allen Southerland, MD located?

The NPPES record lists a practice address at 9525 Katy Fwy Ste 206, Houston, TX, 77024. Phone: (713) 400-2990. Providers update this record themselves, so call before visiting.

How can I verify Warren Allen Southerland, MD's license?

NPPES lists Texas license number T7744, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Warren Allen Southerland, MD prescribe under Medicare Part D?

In 2024, Warren Allen Southerland, MD had 1,607 Medicare Part D claims for 296 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.