Gillian HsiehMD
Gynecologic Oncology·Mountain View, CA
Gillian Hsieh, MD is a Gynecologic Oncology provider in Mountain View, CA, as of July 2026.
- NPI1063765576
- Registered2012
- Class of2011
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Gillian Hsieh at a glance
- Provider
- Gillian Hsieh
- Credential
- MD
- Specialty
- Gynecological Oncology
- Location
- Mountain View, CA
- Medical school
- Baylor College of Medicine
- Graduated
- 2011
- NPI registered
- 2012
- NPI
- 1063765576
- 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 Gillian Hsieh practice?
Gillian Hsieh, MD is based in Mountain View, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gillian Hsieh's NPI number?
Gillian Hsieh's National Provider Identifier (NPI) is 1063765576, registered in 2012. Specialty on record: Gynecological Oncology; credential MD.
Where did Gillian Hsieh go to medical school?
Gillian Hsieh, MD attended Baylor College of Medicine, graduating in 2011.
How many Gynecologic Oncology providers in California work at ambulatory surgery centers?
18 Gynecologic Oncology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gillian Hsieh among them. The California Gynecologic Oncology directory lists each one by city with credential, NPI, and center affiliations.
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