NPPES file of Aug 9, 2026

Ponnandai S. Somasundar, MD

Surgery Physician · Providence, RI

Ponnandai S. Somasundar, MD is a surgery physician with a practice address in Providence, Rhode Island, and NPI 1538212923, issued on Jan 19, 2007. Check the license (Rhode Island MD12223, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1538212923
Name
Ponnandai S. Somasundar
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
MD12223 RI
Self-reported in NPPES; status is on the state search
Practice location
50 Maude St, Providence, RI 02908
Phone
(401) 456-2441
Enumerated
Jan 19, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070402000702); 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 50 Maude St

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

  1. Mohammad Abdallat, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033634647
  2. Ryan Allen, RDOncology Nutrition Registered Dietitian1487547071
  3. Anne Bauman, M.D.Internal Medicine Physician1730281346
  4. Janet Berard, N.P.Nurse Practitioner1912939596
  5. Olivia Birchall, PA-CPhysician Assistant1194396242
  6. Charlene Botelho, COTA/LOccupational Therapy Assistant1568707735

Verify Ponnandai S. Somasundar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD12223
    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 Rhode Island 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.

71% fewer Medicare Part D claims than the average surgery physician in 2024

42 Medicare Part D claims for 19 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Ponnandai Somasundar42
  2. Specialty average147

Most prescribed

  1. Metronidazole19 claims
  2. Erythromycin16 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: $1,181.54

12 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ponnandai Somasundar$1,181.54
  2. Specialty average$3,513.80

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. Prospect Chartercare Rwmc, LLCProvidence, RI

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

Ponnandai S. Somasundar among 151 surgery physician records in Rhode Island

Ponnandai S. Somasundar, MD is one of 151 surgery physician records with a practice address in Rhode Island. 72% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 48% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1990 · median 2001 among the 78 with a school on file
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Rhode Island

There are 151 surgery physician records in Rhode Island.

The 8 surgery physician records with the nearest ZIP codes

  1. Alicia Alterio, MDProvidence, RI 029081588076558
  2. Annmarie Dunican, MDProvidence, RI 029081922113026
  3. Nocif EspatProvidence, RI 029081225041361
  4. Robert Koness, M.D.Providence, RI 029081750348157
  5. Bryant Morocho, MDProvidence, RI 029081386272839
  6. Louis Vito, M.D.Providence, RI 029081497789416
  7. Mohammed Abiri, MDCranston, RI 029101831202316
  8. Elizabeth Altenhein, MDProvidence, RI 029061689670044

Common questions

What is Ponnandai S. Somasundar, MD's NPI number?

Ponnandai S. Somasundar, MD's National Provider Identifier (NPI) is 1538212923, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ponnandai S. Somasundar, MD located?

The NPPES record lists a practice address at 50 Maude St, Providence, RI, 02908. Phone: (401) 456-2441. Providers update this record themselves, so call before visiting.

How can I verify Ponnandai S. Somasundar, MD's license?

NPPES lists Rhode Island license number MD12223, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ponnandai S. Somasundar, MD prescribe under Medicare Part D?

In 2024, Ponnandai S. Somasundar, MD had 42 Medicare Part D claims for 19 beneficiaries; the average among surgery physician prescribers was 147. 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.