NPPES file of Aug 9, 2026

Piruthiviraj Natarajan, MD

Critical Care Medicine (Internal Medicine) Physician · Lubbock, TX

Piruthiviraj Natarajan, MD is a critical care medicine (internal medicine) physician with a practice address in Lubbock, Texas, and NPI 1982287967, issued on Apr 28, 2021. Check the license (Texas W3580, 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
1982287967
Name
Piruthiviraj Natarajan
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
W3580 TX
MD2024-0587 NM
Self-reported in NPPES; status is on the state search
Practice location
602 Indiana Ave, Lubbock, TX 79415
Phone
(806) 743-9098
Enumerated
Apr 28, 2021
Record last updated
Jul 2, 2026
Medicare enrollment
Enrolled (PECOS I20241023000399); 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.
Download card Updates feed

Also registered at 602 Indiana Ave

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

  1. Ramzi Abdulrahman, MDRadiation Oncology Physician1790718203
  2. Muhammad Abid, M.D.Hematology & Oncology Physician1639480437
  3. Jocelyn Adams, FNP-CFamily Nurse Practitioner1740061316
  4. Mohamad Al-Rahawan, M.D.Pediatric Hematology & Oncology Physician1750316923
  5. Katharine Allison, FNP-C, RNNurse Practitioner1962132803
  6. Lillian AmezquitaEmergency Medicine Physician1013530716

Verify Piruthiviraj Natarajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license W3580
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

82 Medicare Part D claims for 26 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.

  1. Piruthiviraj Natarajan82
  2. Specialty average696

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: $1,693.21

5 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Piruthiviraj Natarajan$1,693.21
  2. Specialty average$2,958.68

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. Hospitalist Medicine Physicians OF Texas PLLCClovis, NM

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

Piruthiviraj Natarajan among 413 critical care medicine (internal medicine) physician records in Texas

Piruthiviraj Natarajan, MD is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.

  • NPI issued2021 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2008 · median 2007 among the 346 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Texas

There are 413 critical care medicine (internal medicine) physician records in Texas.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Ebtesam Islam, M.D., PH.D.Lubbock, TX 794301710208913
  2. Kenneth Iwuji, M.D.Lubbock, TX 794301477908903
  3. Brandon De Paul, DOAbilene, TX 796061598392920
  4. Alaaedin Alhomosh, MDMidland, TX 797011063709913
  5. Gerardo Catalasan, MDMidland, TX 797011760501720
  6. Saranya Rajasekar, M.DMidland, TX 797011871028365
  7. Imene Boumaza, M.DAmarillo, TX 791061093109993
  8. Faisal Khasawneh, M.D.Amarillo, TX 791061316189772

Common questions

What is Piruthiviraj Natarajan, MD's NPI number?

Piruthiviraj Natarajan, MD's National Provider Identifier (NPI) is 1982287967, issued on Apr 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Piruthiviraj Natarajan, MD located?

The NPPES record lists a practice address at 602 Indiana Ave, Lubbock, TX, 79415. Phone: (806) 743-9098. Providers update this record themselves, so call before visiting.

How can I verify Piruthiviraj Natarajan, MD's license?

NPPES lists Texas license number W3580, 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 Piruthiviraj Natarajan, MD prescribe under Medicare Part D?

In 2024, Piruthiviraj Natarajan, MD had 82 Medicare Part D claims for 26 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.