NPPES file of Aug 9, 2026

Thomas Kunnumpurathu Alexander, M.D

Internal Medicine Physician · Richardson, TX

Thomas Kunnumpurathu Alexander, M.D is an internal medicine physician with a practice address in Richardson, Texas, and NPI 1477608347, issued on Jan 23, 2007. Check the license (Texas K0599, 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
1477608347
Name
Thomas Kunnumpurathu Alexander
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K0599 TX
Self-reported in NPPES; status is on the state search
Practice location
399 W Campbell RD, Richardson, TX 75080
Phone
(972) 234-4994
Enumerated
Jan 23, 2007
Record last updated
Jun 5, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(972) 234-4412
Medicaid ID
P00086ARO TX
Medicare enrollment
Enrolled (PECOS I20040827000247); 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 399 W Campbell RD

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

  1. Amal Aldurra, M.D.Obstetrics & Gynecology Physician1326400862
  2. Ronald Bell, MDNeurology Physician1619910874
  3. Trung Dao, MDInternal Medicine Physician1558354712
  4. Jessica Dean, DOFamily Medicine Physician1518257294
  5. Steven Gadol, MD PAGastroenterology Physician1649356346
  6. Jeffrey Hamm, M.D.Sports Medicine (Orthopaedic Surgery) Physician1164489324

Verify Thomas Kunnumpurathu Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K0599
    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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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

638 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Thomas Alexander638
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl55 claims
  2. Atorvastatin Calcium47 claims
  3. Levothyroxine Sodium46 claims
  4. Losartan Potassium34 claims
  5. Simvastatin33 claims
  6. Glimepiride32 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: $764.71

14 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Alexander$764.71
  2. Specialty average$1,303.06

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

Thomas Kunnumpurathu Alexander among 9,175 internal medicine physician records in Texas

Thomas Kunnumpurathu Alexander, M.D is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1980 · median 2004 among the 6,088 with a school on file
  • Record last updated2009 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 internal medicine physician records list a practice address in Richardson

They are 61 of the 2,896 NPPES records with a practice address in Richardson, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Henry Allen, MDRichardson, TX 750801710900527
  2. Sita Boppana, M.D.Richardson, TX 750801689629123
  3. Jung Chi, MDRichardson, TX 750801881670685
  4. Trung Dao, MDRichardson, TX 750801558354712
  5. Sandra Fogelman, MDRichardson, TX 750801548219421
  6. Vladimir Grebennikov, M.D.Richardson, TX 750801952399313
  7. Kevin Kim, M.D.Richardson, TX 750801669480828
  8. William Mania, MD PARichardson, TX 750801770599326

Common questions

What is Thomas Kunnumpurathu Alexander, M.D's NPI number?

Thomas Kunnumpurathu Alexander, M.D's National Provider Identifier (NPI) is 1477608347, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Kunnumpurathu Alexander, M.D located?

The NPPES record lists a practice address at 399 W Campbell RD, Richardson, TX, 75080. Phone: (972) 234-4994. Providers update this record themselves, so call before visiting.

How can I verify Thomas Kunnumpurathu Alexander, M.D's license?

NPPES lists Texas license number K0599, 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 Thomas Kunnumpurathu Alexander, M.D prescribe under Medicare Part D?

In 2024, Thomas Kunnumpurathu Alexander, M.D had 638 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.