John RyanMD
John Ryan, MD is an Otolaryngology provider in San Jose, CA affiliated with 1 ambulatory surgery center in CA, as of July 2026.
- NPI1518402676
- Registered2016
- Centers1
- StateCA
- Class of2014
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.
John Ryan at a glance
- Provider
- John Ryan
- Credential
- MD
- Specialty
- Otolaryngology
- Procedures
- Otolaryngology CPT codes
- Location
- San Jose, CA
- Medical school
- Johns Hopkins University School of Medicine
- Graduated
- 2014
- NPI registered
- 2016
- NPI
- 1518402676
- 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 John Ryan practice?
John Ryan, MD is based in San Jose, CA and is affiliated with 1 ambulatory surgery center: La Veta Surgical Center in Orange, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Ryan's NPI number?
John Ryan's National Provider Identifier (NPI) is 1518402676, registered in 2016. Specialty on record: Otolaryngology; credential MD.
Where did John Ryan go to medical school?
John Ryan, MD attended Johns Hopkins University School of Medicine, graduating in 2014.
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, John Ryan among them. The California Otolaryngology directory lists each one by city with credential, NPI, and center affiliations.
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