NPPES file of Aug 9, 2026

Chelliah Pandian, MD

Internal Medicine Physician · Willimantic, CT

Chelliah Pandian, MD is an internal medicine physician with a practice address in Willimantic, Connecticut, and NPI 1467419010, issued on Apr 27, 2006. Check the license on the Connecticut Medical Examining 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
1467419010
Name
Chelliah Pandian
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
N2228 TX
Self-reported in NPPES; status is on the state search
Practice location
29 Ivan Hill St, Willimantic, CT 06226
Phone
(860) 423-8033
Enumerated
Apr 27, 2006
Record last updated
Mar 7, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(860) 423-8373
Medicaid ID
001429837 CT
Medicare enrollment
Enrolled (PECOS I20091102000174); 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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Verify Chelliah Pandian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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 Connecticut license search

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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

15 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Chelliah Pandian15
  2. Specialty average3,176

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.

Bills Medicare through 3 group practices

  1. Concord Medical Group PLLCCorpus Christi, TX
  2. Inpatient Physician Associates PLLCDallas, TX
  3. Ipa ER Group PLLCAddison, TX

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

Chelliah Pandian among 2,623 internal medicine physician records in Connecticut

Chelliah Pandian, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1985 · median 2004 among the 1,646 with a school on file
  • Record last updated2017 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 internal medicine physician records list a practice address in Willimantic

They are 20 of the 487 NPPES records with a practice address in Willimantic, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mary Barry, M.D.Willimantic, CT 062261285695841
  2. John Carey, MDWillimantic, CT 062261225086358
  3. Peter Jones, MDWillimantic, CT 062261619934296
  4. Michael Kilgannon, M.D.Willimantic, CT 062261164483947
  5. Walter McPhee, MDWillimantic, CT 062261144229113
  6. Julian Munoz, MDWillimantic, CT 062261184920274
  7. Edward Nemergut, MDWillimantic, CT 062261508810201
  8. Marjorie Petro, M.D.Willimantic, CT 062261760676100

Common questions

What is Chelliah Pandian, MD's NPI number?

Chelliah Pandian, MD's National Provider Identifier (NPI) is 1467419010, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chelliah Pandian, MD located?

The NPPES record lists a practice address at 29 Ivan Hill St, Willimantic, CT, 06226. Phone: (860) 423-8033. Providers update this record themselves, so call before visiting.

How can I verify Chelliah Pandian, MD's license?

Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chelliah Pandian, MD prescribe under Medicare Part D?

In 2024, Chelliah Pandian, MD had 15 Medicare Part D claims for 14 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.