Geethan Sivananthan
Geethan Sivananthan is a Gastroenterology provider in Union, NJ affiliated with 2 ambulatory surgery centers in NJ, as of July 2026.
- NPI1598907990
- Registered2009
- Centers2
- StateNJ
- Class of2009
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Geethan Sivananthan at a glance
- Provider
- Geethan Sivananthan
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Union, NJ
- Medical school
- Rutgers New Jersey Medical School
- Graduated
- 2009
- NPI registered
- 2009
- NPI
- 1598907990
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Geethan Sivananthan practice?
Geethan Sivananthan is based in Union, NJ and is affiliated with 2 ambulatory surgery centers: Union Surgery Center LLC in Union, NJ and Endo Surgi Center PA in Union, NJ. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Geethan Sivananthan's NPI number?
Geethan Sivananthan's National Provider Identifier (NPI) is 1598907990, registered in 2009. Specialty on record: Gastroenterology.
Where did Geethan Sivananthan go to medical school?
Geethan Sivananthan attended Rutgers New Jersey Medical School, graduating in 2009.
How many Gastroenterology providers in New Jersey work at ambulatory surgery centers?
180 Gastroenterology surgeons and proceduralists in New Jersey are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Geethan Sivananthan among them. The New Jersey Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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