NPPES file of Aug 9, 2026

Nicholas R. Bastiampillai, DO

Internal Medicine Physician · Tucson, AZ

Nicholas R. Bastiampillai, DO is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1093750242, issued on Jun 19, 2006. Check the license (Arizona 3497, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093750242
Name
Nicholas R. Bastiampillai
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
3497 AZ
Self-reported in NPPES; status is on the state search
Practice location
603 N Wilmot RD, Tucson, AZ 85711
Phone
(520) 790-1556
Enumerated
Jun 19, 2006
Record last updated
Mar 26, 2024
Fax
(520) 620-9719
Medicaid ID
482919 AZ
Medicare enrollment
Enrolled (PECOS I20041222000260); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1995
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 603 N Wilmot RD

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

  1. Tiffany Gonzales, AGACNP-BCAcute Care Nurse Practitioner1831743053
  2. Sudhir Manda, MDHematology & Oncology Physician1164630679
  3. Maureen Middleton, NPNurse Practitioner1982674552
  4. Raymond Taetle, M.D.Hematology & Oncology Physician1326002411

Verify Nicholas R. Bastiampillai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 3497
    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 Arizona 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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2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,167 Medicare Part D claims for 538 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 216 claims were for opioids.

  1. Nicholas Bastiampillai9,167
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium519 claims
  2. Levothyroxine Sodium448 claims
  3. Eliquis360 claims
  4. Amlodipine Besylate345 claims
  5. Gabapentin326 claims
  6. Furosemide281 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.0
  2. Costout of 100 · 30%19.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $66.43

3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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. Nicholas Bastiampillai$66.43
  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.

Bills Medicare through 2 group practices

  1. Associated Internists OF Tucson PLLCTucson, AZ
  2. Wilmot Primary Care Group, PLLCTucson, AZ

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

Nicholas R. Bastiampillai among 2,853 internal medicine physician records in Arizona

Nicholas R. Bastiampillai, DO is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1995 · median 2003 among the 1,643 with a school on file
  • Record last updated2024 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

651 internal medicine physician records list a practice address in Tucson

They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lin Clark, M.D.Tucson, AZ 857111396830477
  2. Charles Giffin, MDTucson, AZ 857111932157161
  3. Naushaba Hasan, MDTucson, AZ 857111942298559
  4. Chun Wah Ho, M.D.Tucson, AZ 857111083699839
  5. John Kottarathil, MDTucson, AZ 857111477735439
  6. Walid Nader, MDTucson, AZ 857111801869219
  7. Winola Purushotham, M.D.Tucson, AZ 857111124294756
  8. Robert Rogers, MDTucson, AZ 857111871579904

Common questions

What is Nicholas R. Bastiampillai, DO's NPI number?

Nicholas R. Bastiampillai, DO's National Provider Identifier (NPI) is 1093750242, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas R. Bastiampillai, DO located?

The NPPES record lists a practice address at 603 N Wilmot RD, Tucson, AZ, 85711. Phone: (520) 790-1556. Providers update this record themselves, so call before visiting.

How can I verify Nicholas R. Bastiampillai, DO's license?

NPPES lists Arizona license number 3497, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicholas R. Bastiampillai, DO prescribe under Medicare Part D?

In 2024, Nicholas R. Bastiampillai, DO had 9,167 Medicare Part D claims for 538 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Nicholas R. Bastiampillai, DO's MIPS final score?

The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.