NPPES file of Aug 9, 2026

Nandhakumar Kanagarajan, M.D.

Gastroenterology Physician · Canton, GA

Nandhakumar Kanagarajan, M.D. is a gastroenterology physician with a practice address in Canton, Georgia, and NPI 1902819667, issued on Aug 14, 2006. Check the license (Georgia 68180, as entered in NPPES) on the Georgia Composite 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
1902819667
Name
Nandhakumar Kanagarajan
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
68180 GA
247627 MA
MD429444 PA
Self-reported in NPPES; status is on the state search
Practice location
2020 Cumming Hwy Ste 102, Canton, GA 30115
Phone
(678) 593-1295
Enumerated
Aug 14, 2006
Record last updated
Aug 15, 2024
Fax
(678) 593-1294
Medicare enrollment
Enrolled (PECOS I20121025000051); accepts Medicare assignment
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 2020 Cumming Hwy Ste 102

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

  1. Diana Cupit, CNPNurse Practitioner1841961950
  2. Kingel Desai, PA-CPhysician Assistant1932539293
  3. Bruce Kalmin, MDGastroenterology Physician1093805509
  4. Isabelle Marin, PACPhysician Assistant1245814052
  5. Naomi Orsenigo, CNPAdult Health Nurse Practitioner1821404146
  6. Neal Patel, M.D.Gastroenterology Physician1174767032

Verify Nandhakumar Kanagarajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 68180
    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 Georgia 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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56% more Medicare Part D claims than the average gastroenterology physician in 2024

1,268 Medicare Part D claims for 412 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Nandhakumar Kanagarajan1,268
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium342 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf85 claims
  3. Sucralfate82 claims
  4. Linzess61 claims
  5. Ondansetron Odt58 claims
  6. Omeprazole49 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): 79.9 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 score56.5
  2. Costout of 100 · 30%78.1
  3. Promoting interoperabilityout of 100 · 25%98.0
  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: $2,341.00

85 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nandhakumar Kanagarajan$2,341.00
  2. Specialty average$5,015.95

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. Aga Professional Services LLCAtlanta, GA
  2. Aga, LLCCanton, GA

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

Nandhakumar Kanagarajan among 530 gastroenterology physician records in Georgia

Nandhakumar Kanagarajan, M.D. is one of 530 gastroenterology physician records with a practice address in Georgia. 85% 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 21% of them.

  • NPI issued2006 · 21% of these records are older, 45% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2000 · median 2001 among the 397 with a school on file
  • Record last updated2024 · 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 207RG0100X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Georgia

There are 530 gastroenterology physician records in Georgia.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Bruce Kalmin, MDCanton, GA 301151093805509
  2. Neal Patel, M.D.Canton, GA 301151174767032
  3. Aparna Shreenath, MDCanton, GA 301151184972747
  4. Karim Gani, M.D.Canton, GA 301141821070830
  5. John Arledge, M.D.Carrollton, GA 301171639249675
  6. Peter Ojuro, DOCarrollton, GA 301171992919559
  7. Joseph Palin, M.D.Carrollton, GA 301171568442952
  8. Watcoun-Nchinda Pisoh, M.D.Carrollton, GA 301171568759512

Common questions

What is Nandhakumar Kanagarajan, M.D.'s NPI number?

Nandhakumar Kanagarajan, M.D.'s National Provider Identifier (NPI) is 1902819667, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nandhakumar Kanagarajan, M.D. located?

The NPPES record lists a practice address at 2020 Cumming Hwy Ste 102, Canton, GA, 30115. Phone: (678) 593-1295. Providers update this record themselves, so call before visiting.

How can I verify Nandhakumar Kanagarajan, M.D.'s license?

NPPES lists Georgia license number 68180, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nandhakumar Kanagarajan, M.D. prescribe under Medicare Part D?

In 2024, Nandhakumar Kanagarajan, M.D. had 1,268 Medicare Part D claims for 412 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Nandhakumar Kanagarajan, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.9 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.