Doctor profile · Federal record
Dr. Gnana Desigan, MD
Gastroenterology Physician · Van Nuys, CA
- NPI 1477580298
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6850 Sepulveda Blvd, Suite 214
Van Nuys, CA 91405
(818) 782-3116
fax (818) 782-3148
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #C41859
- Medicaid
- CA #00C418590
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477580298. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
3
Medicare allowed
$9,725
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 30 | 30 | $181 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 16 | 16 | $100 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 14 | 14 | $193 |
In context: peer comparison
Among 2 peers in Van Nuys Gastroenterology Physician, average services per provider: 20. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
775
Patients
228
Total drug cost
$94,087
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 289 | 100 | $4,528 |
| Famotidine | Generic | 182 | 61 | $3,448 |
| Sucralfate | Generic | 75 | 21 | $3,139 |
| Pantoprazole Sodium | Generic | 55 | 21 | $911 |
| Dicyclomine Hcl | Generic | 39 | 0 | $1,069 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 36 | 0 | $10,559 |
| Linzess (Linaclotide) | Brand | 22 | 0 | $15,182 |
| Omeprazole-Sodium Bicarbonate (Omeprazole/Sodium Bicarbonate) | Brand | 16 | 0 | $43,690 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 15 | 14 | $264 |
| Mesalamine | Generic | 13 | 0 | $4,758 |
Frequently asked questions
What is Dr. Gnana Desigan's medical specialty?
Dr. Gnana Desigan practices Gastroenterology Physician in Van Nuys, CA.
Where does Dr. Gnana Desigan practice?
Dr. Gnana Desigan practices at 6850 Sepulveda Blvd, Van Nuys, CA 91405. Office phone: 8187823116.
What is Dr. Gnana Desigan's NPI?
Dr. Gnana Desigan's National Provider Identifier (NPI) is 1477580298, issued by NPPES.
What procedures does Dr. Gnana Desigan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.