John KooMD
John Koo, MD is a Dermatology provider in San Francisco, CA, as of July 2026.
- NPI1245289594
- Registered2006
- Class of1981
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Koo at a glance
- Provider
- John Koo
- Credential
- MD
- Specialty
- Dermatology
- Location
- San Francisco, CA
- Medical school
- Harvard Medical School
- Graduated
- 1981
- NPI registered
- 2006
- NPI
- 1245289594
- 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 Koo practice?
John Koo, MD is based in San Francisco, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Koo's NPI number?
John Koo's National Provider Identifier (NPI) is 1245289594, registered in 2006. Specialty on record: Dermatology; credential MD.
Where did John Koo go to medical school?
John Koo, MD attended Harvard Medical School, graduating in 1981.
How many Dermatology providers in California work at ambulatory surgery centers?
426 Dermatology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Koo among them. The California Dermatology directory lists each one by city with credential, NPI, and center affiliations.
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