Roger DainerD.O.
Orthopedic Surgery·Pleasanton, CA
Roger Dainer, D.O. is an Orthopedic Surgery provider in Pleasanton, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1427053560
- Registered2005
- Centers2
- StateCA
- Class of1981
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.
Roger Dainer at a glance
- Provider
- Roger Dainer
- Credential
- D.O.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Pleasanton, CA
- Medical school
- At Still University of Health Sciences, College of Osteo Med, Kirksville
- Graduated
- 1981
- NPI registered
- 2005
- NPI
- 1427053560
- 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 Roger Dainer practice?
Roger Dainer, D.O. is based in Pleasanton, CA and is affiliated with 2 ambulatory surgery centers: Webster Surgery Center in San Ramon, CA and Hacienda Outpatient Surgery Center LLC Dba Hacienda Surgery Center in Pleasanton, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Roger Dainer's NPI number?
Roger Dainer's National Provider Identifier (NPI) is 1427053560, registered in 2005. Specialty on record: Orthopedic Surgery; credential D.O.
Where did Roger Dainer go to medical school?
Roger Dainer, D.O. attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1981.
How many Orthopedic Surgery providers in California work at ambulatory surgery centers?
538 Orthopedic Surgery surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Roger Dainer among them. The California Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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