NPPES file of Aug 9, 2026

Subbayah Thambayah Ramachandran, M.D.

Specialist · Beaumont, TX

Subbayah Thambayah Ramachandran, M.D. is a specialist with a practice address in Beaumont, Texas, and NPI 1811079262, issued on Oct 19, 2006. Check the license (Texas J3584, as entered in NPPES) with the Texas board that licenses this profession; 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
1811079262
Name
Subbayah Thambayah Ramachandran
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
J3584 TX
Self-reported in NPPES; status is on the state search
Practice location
3555 Stagg Dr, Beaumont, TX 77701
Phone
(409) 212-5922
Enumerated
Oct 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(409) 212-5951
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3555 Stagg Dr

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

  1. Gloria Castro-Zappia, M.D.Hematology & Oncology Physician1710052014
  2. Amanda Huang, FNP-BCFamily Nurse Practitioner1407417108
  3. Muhammad Khalil, M.D.Hematology & Oncology Physician1184038598
  4. Elayna Nunley, MS, RDN, LDRegistered Dietitian1538603956
  5. Falon Richard, APRN-CNPGerontology Nurse Practitioner1497422786

Verify Subbayah Thambayah Ramachandran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license J3584    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
Find the Texas license search

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99% fewer Medicare Part D claims than the average specialist in 2024

12 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Subbayah Ramachandran12
  2. Specialty average1,380

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.

Specialist providers in Texas

There are 1,716 specialist records in Texas.

All 1,716 in Texas → Every provider in Beaumont →

Other specialist records in Texas

  1. Beverly AbbottLongview, TX1164724522
  2. Magdy Abdelsayed, M.D.Baytown, TX1376634857
  3. Robin Abels, OTRCarrollton, TX1972660025
  4. Paul Abrell, ATC, LEl Paso, TX1881668200
  5. Danielle AchAustin, TX1538655030
  6. Daniel Acosta, M.D.Corpus Christi, TX1275539405
  7. Donald Adams, M.D.San Antonio, TX1417033564
  8. William Adams, M.D.Dallas, TX1134153497
  9. Lori Adcock, M.D.Midland, TX1699882639
  10. Ademola Adeniji, PT, DPTEl Paso, TX1760703219

Common questions

What is Subbayah Thambayah Ramachandran, M.D.'s NPI number?

Subbayah Thambayah Ramachandran, M.D.'s National Provider Identifier (NPI) is 1811079262, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Subbayah Thambayah Ramachandran, M.D. located?

The NPPES record lists a practice address at 3555 Stagg Dr, Beaumont, TX, 77701. Phone: (409) 212-5922. Providers update this record themselves, so call before visiting.

How can I verify Subbayah Thambayah Ramachandran, M.D.'s license?

NPPES lists Texas license number J3584, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Subbayah Thambayah Ramachandran, M.D. prescribe under Medicare Part D?

In 2024, Subbayah Thambayah Ramachandran, M.D. had 12 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.