NPPES file of Aug 9, 2026

Lavanya Viswanathan, M.D., M.S.

Gastroenterology Physician · Houston, TX

Lavanya Viswanathan, M.D., M.S. is a gastroenterology physician with a practice address in Houston, Texas, and NPI 1982996708, issued on May 12, 2011. Check the license (Texas U8152, 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
1982996708
Name
Lavanya Viswanathan
Credential
M.D., M.S.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
U8152 TX
A156541 CA
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
May 12, 2011
Record last updated
Jun 7, 2024
Medicare enrollment
Enrolled (PECOS I20240620001458); accepts Medicare assignment
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 1515 Holcombe Blvd

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

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Lavanya Viswanathan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U8152
    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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Industry payments in 2024: $20,139.06

33 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lavanya Viswanathan$20,139
  2. Specialty average$5,016

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

Bills Medicare through one group practice

  1. Physicians Referral ServiceHouston, TX

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

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

Other gastroenterology physician records in Texas

  1. Ali AamarHouston, TX1922419209
  2. Amro Abdellatief, MDMcAllen, TX1932737020
  3. Wasif Abidi, M.D., PH.D.Houston, TX1821230780
  4. Olufemi Abiodun, MDArlington, TX1821199464
  5. Mohammed Aboelsoud, MDShenandoah, TX1316351430
  6. Bincy Abraham, MDHouston, TX1578767166
  7. Cherian Abraham, M.D.North Richland Hills, TX1134188311
  8. Sindhu Abraham, M.D.Plano, TX1033178223
  9. Daniela Abrams, MDGalveston, TX1801357793
  10. Rajeshwar Abrol, M.D.Tomball, TX1447258108

Common questions

What is Lavanya Viswanathan, M.D., M.S.'s NPI number?

Lavanya Viswanathan, M.D., M.S.'s National Provider Identifier (NPI) is 1982996708, issued on May 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Lavanya Viswanathan, M.D., M.S. located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Lavanya Viswanathan, M.D., M.S.'s license?

NPPES lists Texas license number U8152, 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.

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.