Long DangM.D.
Gastroenterology·Westminster, CA
Long Dang, M.D. is a Gastroenterology provider in Westminster, CA affiliated with 3 ambulatory surgery centers in CA, as of July 2026.
- NPI1346324613
- Registered2006
- Centers3
- StateCA
- Class of1993
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.
- Garden Grove Surgery CenterGarden Grove, CA · Gastroenterology · 1 on panelView center →
- Magnolia Surgery CenterWestminster, CA · Gastroenterology, Ophthalmology · 6 on panelView center →
- Bolsa Outpatient Surgery Center A Medical CorporationWestminster, CA · Gastroenterology, Ophthalmology · 6 on panelView center →
Education
Education on record as of August 2026.
Long Dang at a glance
- Provider
- Long Dang
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Westminster, CA
- Medical school
- Loyola University of Chicago, Stritch School of Medicine
- Graduated
- 1993
- NPI registered
- 2006
- NPI
- 1346324613
- 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 Long Dang practice?
Long Dang, M.D. is based in Westminster, CA and is affiliated with 3 ambulatory surgery centers: Garden Grove Surgery Center in Garden Grove, CA, Magnolia Surgery Center in Westminster, CA, and Bolsa Outpatient Surgery Center A Medical Corporation in Westminster, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Long Dang's NPI number?
Long Dang's National Provider Identifier (NPI) is 1346324613, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Long Dang go to medical school?
Long Dang, M.D. attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1993.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Long Dang among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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