NPPES file of Aug 9, 2026

S Ranga Nathan, M.D,

Gastroenterology Physician · Humble, TX

S Ranga Nathan, M.D, is a gastroenterology physician with a practice address in Humble, Texas, and NPI 1235326828, issued on Sep 27, 2007. Check the license (Texas F6190, 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
1235326828
Name
S Ranga Nathan
Credential
M.D,
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
F6190 TX
Self-reported in NPPES; status is on the state search
Practice location
9816 Memorial Blvd, Humble, TX 77338
Phone
(281) 446-8114
Enumerated
Sep 27, 2007
Record last updated
Mar 5, 2026
Fax
(281) 446-1158
Medicaid ID
081671201 TX
Medicare enrollment
Enrolled (PECOS I20111116000080); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 1977
Telehealth
Offers telehealth (CMS)
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 9816 Memorial Blvd

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

  1. Yvette Batiste, MDFamily Medicine Physician1326126285
  2. Maria Garcia, DDS MSDentist1487711735
  3. Christine Pokluda, LMSWSocial Worker1740696020
  4. Brian Pratt, D.D.S.General Practice Dentistry1457471302
  5. Michele Schmidt, CNPFamily Nurse Practitioner1902992472
  6. John Trowbridge, M.D.Medical Toxicology (Preventive Medicine) Physician1538291109

Verify S Ranga Nathan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F6190    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

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60% fewer Medicare Part D claims than the average gastroenterology physician in 2024

328 Medicare Part D claims for 111 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. S Nathan328
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium63 claims
  2. Metformin Hcl Er46 claims
  3. Liothyronine Sodium26 claims
  4. Np Thyroid25 claims
  5. Ozempic25 claims
  6. Estradiol (Twice Weekly)22 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.

Bills Medicare through one group practice

  1. Houston Regional Gastroenterology Institute PLLCSugar Land, 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.

All 1,478 in Texas → Every provider in Humble →

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 S Ranga Nathan, M.D,'s NPI number?

S Ranga Nathan, M.D,'s National Provider Identifier (NPI) is 1235326828, issued on Sep 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is S Ranga Nathan, M.D, located?

The NPPES record lists a practice address at 9816 Memorial Blvd, Humble, TX, 77338. Phone: (281) 446-8114. Providers update this record themselves, so call before visiting.

How can I verify S Ranga Nathan, M.D,'s license?

NPPES lists Texas license number F6190, 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 S Ranga Nathan, M.D, prescribe under Medicare Part D?

In 2024, S Ranga Nathan, M.D, had 328 Medicare Part D claims for 111 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.