Avinashi Somasundaram Arunkumar, MD
Internal Medicine Physician · Peoria, AZ
Avinashi Somasundaram Arunkumar, MD is an internal medicine physician with a practice address in Peoria, Arizona, and NPI 1326375999, issued on Nov 3, 2009. Check the license (Arizona 45288, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Avinashi Somasundaram Arunkumar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 45288 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9139 W Thunderbird RD Ste 275, Peoria, AZ 85381
- Phone
- (623) 900-5181
- Enumerated
- Nov 3, 2009
- Record last updated
- Sep 25, 2024
- Fax
- (623) 900-5290
- Medicare enrollment
- Enrolled (PECOS I20111102000666); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Avinashi Somasundaram Arunkumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 45288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
297 Medicare Part D claims for 149 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Levofloxacin19 claims
- Prednisone19 claims
- Cefdinir12 claims
- Ciprofloxacin Hcl12 claims
- Pantoprazole Sodium12 claims
- Amlodipine Besylate11 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): 92.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $258.03
7 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. 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.
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
- Banner Hospital Based Physicians Arizona LLCSun City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Avinashi Somasundaram Arunkumar among 2,853 internal medicine physician records in Arizona
Avinashi Somasundaram Arunkumar, MD 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1993 · 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).
58 internal medicine physician records list a practice address in Peoria
They are 58 of the 2,528 NPPES records with a practice address in Peoria, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Peoria → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ruben Aguilera, MDPeoria, AZ 853811568463792
- Sekar Annamalai, MDPeoria, AZ 853811851345334
- Avtar Bassin, MDPeoria, AZ 853811013998335
- David Engel, MDPeoria, AZ 853811538106570
- John Kieley, MDPeoria, AZ 853811649279654
- Gary Mort, DOPeoria, AZ 853811477554608
- Gerald Oldham, MDPeoria, AZ 853811235176207
- Kulbhushan Paul, MDPeoria, AZ 853811376532127
Common questions
What is Avinashi Somasundaram Arunkumar, MD's NPI number?
Avinashi Somasundaram Arunkumar, MD's National Provider Identifier (NPI) is 1326375999, issued on Nov 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Avinashi Somasundaram Arunkumar, MD located?
The NPPES record lists a practice address at 9139 W Thunderbird RD Ste 275, Peoria, AZ, 85381. Phone: (623) 900-5181. Providers update this record themselves, so call before visiting.
How can I verify Avinashi Somasundaram Arunkumar, MD's license?
NPPES lists Arizona license number 45288, 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 Avinashi Somasundaram Arunkumar, MD prescribe under Medicare Part D?
In 2024, Avinashi Somasundaram Arunkumar, MD had 297 Medicare Part D claims for 149 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Avinashi Somasundaram Arunkumar, MD's MIPS final score?
The 2023 MIPS final score is 92.3 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.