Abraham HsiehMD
Otolaryngology·Walnut Creek, CA
Abraham Hsieh, MD is an Otolaryngology provider in Walnut Creek, CA affiliated with 1 ambulatory surgery center in CA, as of July 2026.
- NPI1679520076
- Registered2006
- Centers1
- StateCA
- Class of1986
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.
Abraham Hsieh at a glance
- Provider
- Abraham Hsieh
- Credential
- MD
- Specialty
- Otolaryngology
- Procedures
- Otolaryngology CPT codes
- Location
- Walnut Creek, CA
- Medical school
- Tufts University School of Medicine
- Graduated
- 1986
- NPI registered
- 2006
- NPI
- 1679520076
- 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 Abraham Hsieh practice?
Abraham Hsieh, MD is based in Walnut Creek, CA and is affiliated with 1 ambulatory surgery center: Bay Area Surgical Specialist Services LLC in Walnut Creek, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Abraham Hsieh's NPI number?
Abraham Hsieh's National Provider Identifier (NPI) is 1679520076, registered in 2006. Specialty on record: Otolaryngology; credential MD.
Where did Abraham Hsieh go to medical school?
Abraham Hsieh, MD attended Tufts University School of Medicine, graduating in 1986.
How many Otolaryngology providers in California work at ambulatory surgery centers?
214 Otolaryngology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Abraham Hsieh among them. The California Otolaryngology directory lists each one by city with credential, NPI, and center affiliations.
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