Doctor profile · Federal record
Dr. Gopanandan Parthasarathy, MBBS
Hepatology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Stanford, CA
- NPI 1538523667
- Accepts Medicare
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Drive
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- March 11, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RI0008X — NUCC code
- State license (1)
- California #C197762
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538523667. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
218
Distinct HCPCS
6
Medicare allowed
$23,243
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 90 | 90 | $5 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 60 | 60 | $242 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 27 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 12 | $127 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 13 | 13 | $151 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 11 | 11 | $176 |
In context: peer comparison
Among 1 peers in Stanford Hepatology Physician, average services per provider: 36. This provider delivers 6.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
193
Patients
39
Total drug cost
$101,549
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tacrolimus | Generic | 30 | 0 | $5,763 |
| Carvedilol | Generic | 29 | 13 | $438 |
| Xifaxan (Rifaximin) | Brand | 29 | 0 | $91,865 |
| Spironolactone | Generic | 28 | 14 | $909 |
| Furosemide | Generic | 24 | 12 | $241 |
| Lactulose | Generic | 23 | 0 | $1,822 |
| Omeprazole | Generic | 17 | 0 | $365 |
| Ciprofloxacin Hcl | Generic | 13 | 0 | $145 |
Hospital affiliations
Frequently asked questions
What is Dr. Gopanandan Parthasarathy's medical specialty?
Dr. Gopanandan Parthasarathy practices Hepatology Physician in Stanford, CA.
Where does Dr. Gopanandan Parthasarathy practice?
Dr. Gopanandan Parthasarathy practices at 300 Pasteur Drive, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Gopanandan Parthasarathy's NPI?
Dr. Gopanandan Parthasarathy's National Provider Identifier (NPI) is 1538523667, issued by NPPES.
Does Dr. Gopanandan Parthasarathy accept Medicare assignment?
Yes. Dr. Gopanandan Parthasarathy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gopanandan Parthasarathy commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.