Nelson WesterhoutMD
Anesthesiology·Newport Beach, CA
Nelson Westerhout, MD is an Anesthesiology provider in Newport Beach, CA affiliated with 4 ambulatory surgery centers in CA, as of July 2026.
- NPI1154361889
- Registered2006
- Centers4
- StateCA
- Class of1989
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.
- Orthopedic Surgery Center Of Oc LLCNewport Beach, CA · Orthopedics, Pain management, Podiatry · 30 on panelView center →
- Reconstructive Surgery Center Of Newport Beach INCNewport Beach, CA · ENT, Ophthalmology, Orthopedics, Plastic surgery · 30 on panelView center →
- Skin Cancer And Reconstructive Surgery Center, LLCNewport Beach, CA · ENT, Plastic surgery · 5 on panelView center →
- Hoag Endoscopy CenterNewport Beach, CA · Gastroenterology · 15 on panelView center →
Education
Education on record as of August 2026.
Nelson Westerhout at a glance
- Provider
- Nelson Westerhout
- Credential
- MD
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Newport Beach, CA
- Medical school
- University of Southern California Keck School of Medicine
- Graduated
- 1989
- NPI registered
- 2006
- NPI
- 1154361889
- 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 Nelson Westerhout practice?
Nelson Westerhout, MD is based in Newport Beach, CA and is affiliated with 4 ambulatory surgery centers: Orthopedic Surgery Center Of Oc LLC in Newport Beach, CA, Reconstructive Surgery Center Of Newport Beach INC in Newport Beach, CA, Skin Cancer And Reconstructive Surgery Center, LLC in Newport Beach, CA, and Hoag Endoscopy Center in Newport Beach, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Nelson Westerhout's NPI number?
Nelson Westerhout's National Provider Identifier (NPI) is 1154361889, registered in 2006. Specialty on record: Anesthesiology; credential MD.
Where did Nelson Westerhout go to medical school?
Nelson Westerhout, MD attended University of Southern California Keck School of Medicine, graduating in 1989.
How many Anesthesiology providers in California work at ambulatory surgery centers?
130 Anesthesiology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Nelson Westerhout among them. The California Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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