Nandhakumar Kanagarajan, M.D.
NPI 1902819667ActiveIndividual· Internal Medicine, Gastroenterology· Canton, GA
Internal Medicine, Gastroenterology (M.D.) with Aga Professional Services LLC and 1 other group, practicing in Canton, Georgia. Their prescriptions cost Medicare Part D more than their services did: $1,415,410 for 1,268 claims, against $392,962 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $2,724 in all, mostly food and beverage. Lists Northside Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1902819667 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Aug 15, 2024 |
| Certified by provider | Aug 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 68180 | GA |
| Internal Medicine | 207R00000X | MD429444 | PA |
| Internal Medicine, Gastroenterology | 207RG0100X | 247627 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 656 |
|---|---|
| Services billed | 14,786 across 80 procedure codes |
| Paid by Medicare | $392,962 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,268 · 2,392 30-day fills |
|---|---|
| Patients | 412 |
| Total drug cost | $1,415,410 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Aga Professional Services LLCAtlanta, GA · 177 clinicians
- Aga, LLCPooler, GA · 137 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Northside Hospital CherokeeCanton, GA
- Northside Hospital ForsythCumming, GA
- Piedmont Mountainside Hospital IncJasper, GA
Industry payments (Open Payments)
- 2025$2,724 · 89 payments from 22 companies
- 2024$2,341 · 85 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $588.04 | 24 |
| Janssen Biotech, Inc. | $293.60 | 6 |
| Lilly USA, LLC | $180.67 | 11 |
| Takeda Pharmaceuticals U.S.A., Inc. | $173.11 | 11 |
| Genzyme Corporation | $169.73 | 6 |
What the 2025 payments were for
- Food and Beverage$2,625 · 88 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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