Mark WielandMD
Ophthalmology·Mountain View, CA
Mark Wieland, MD is an Ophthalmology provider in Mountain View, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1134114382
- Registered2005
- Centers2
- StateCA
- Class of1985
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.
Mark Wieland at a glance
- Provider
- Mark Wieland
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Mountain View, CA
- Medical school
- Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
- Graduated
- 1985
- NPI registered
- 2005
- NPI
- 1134114382
- 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 Mark Wieland practice?
Mark Wieland, MD is based in Mountain View, CA and is affiliated with 2 ambulatory surgery centers: Peninsula Eye Surgery Center LLC in Mountain View, CA and Physicians Surgery Services Lp in San Jose, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Wieland's NPI number?
Mark Wieland's National Provider Identifier (NPI) is 1134114382, registered in 2005. Specialty on record: Ophthalmology; credential MD.
Where did Mark Wieland go to medical school?
Mark Wieland, MD attended Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 1985.
How many Ophthalmology providers in California work at ambulatory surgery centers?
869 Ophthalmology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mark Wieland among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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