Doctor profile · Federal record
Dr. Nandhakumar Kanagarajan, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Canton, GA
- NPI 1902819667
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 26 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2020 Cumming Hwy Ste 102
Canton, GA 301158071
(678) 593-1295
fax (678) 593-1294
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 15, 2024
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (3)
- Georgia #68180 · Pennsylvania #MD429444 · Massachusetts #247627
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902819667. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,248
Distinct HCPCS
10
Medicare allowed
$166,422
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 160 | 113 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 147 | 139 | $125 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 127 | 120 | $80 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 86 | $89 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 94 | 93 | $247 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 90 | 88 | $128 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 89 | 89 | $109 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 44 | $117 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 59 | 59 | $164 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 52 | 50 | $171 |
In context: peer comparison
Among 2 peers in Canton Gastroenterology Physician, average services per provider: 182. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$2,341
Transactions
78
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 18 | $379.96 | |
| Boston Scientific Corporation | 2 | $263.49 | |
| Genzyme Corporation | 7 | $187.82 | |
| Janssen Biotech, INC. | 10 | $179.44 | |
| Aimmune Therapeutics, INC. | 6 | $178.92 | |
| Medtronic, INC. | 1 | $168.25 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 9 | $166.34 | |
| Ferring Pharmaceuticals INC. | 1 | $134.40 | |
| Regeneron Healthcare Solutions, INC. | 4 | $124.63 | |
| Vivus LLC | 5 | $92.41 | |
| Ardelyx, INC. | 4 | $77.83 | |
| Janssen Scientific Affairs, LLC | 1 | $73.21 | |
| Lilly USA, LLC | 3 | $67.72 | |
| Phathom Pharmaceuticals, INC. | 4 | $59.62 | |
| Intercept Pharmaceuticals, INC. | 3 | $54.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
764
Patients
210
Total drug cost
$330,941
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 270 | 106 | $5,250 |
| Omeprazole | Generic | 73 | 31 | $1,118 |
| Sucralfate | Generic | 63 | 27 | $2,559 |
| Linzess (Linaclotide) | Brand | 57 | 17 | $61,064 |
| Promethazine Hcl | Generic | 45 | 0 | $3,983 |
| Ondansetron Hcl (Ondansetron Hcl/Pf) | Brand | 40 | 0 | $873 |
| Creon (Lipase/Protease/Amylase) | Brand | 34 | 13 | $179,174 |
| Sodium Chloride (0.9 % Sodium Chloride) | Brand | 34 | 0 | $408 |
| Dicyclomine Hcl | Generic | 29 | 0 | $279 |
| Xifaxan (Rifaximin) | Brand | 26 | 16 | $73,907 |
Hospital affiliations
Frequently asked questions
What is Dr. Nandhakumar Kanagarajan's medical specialty?
Dr. Nandhakumar Kanagarajan practices Gastroenterology Physician in Canton, GA.
Where does Dr. Nandhakumar Kanagarajan practice?
Dr. Nandhakumar Kanagarajan practices at 2020 Cumming Hwy Ste 102, Canton, GA 301158071. Office phone: 6785931295.
What is Dr. Nandhakumar Kanagarajan's NPI?
Dr. Nandhakumar Kanagarajan's National Provider Identifier (NPI) is 1902819667, issued by NPPES.
Does Dr. Nandhakumar Kanagarajan accept Medicare assignment?
Yes. Dr. Nandhakumar Kanagarajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nandhakumar Kanagarajan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.