Sinjin LeeM.D.
Internal Medicine·Costa Mesa, CA
Sinjin Lee, M.D. is an Internal Medicine provider in Costa Mesa, CA, as of July 2026.
- NPI1447292545
- Registered2006
- Class of2002
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Sinjin Lee at a glance
- Provider
- Sinjin Lee
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Costa Mesa, CA
- Medical school
- Albert Einstein College of Medicine of Yeshiva University
- Graduated
- 2002
- NPI registered
- 2006
- NPI
- 1447292545
- 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 Sinjin Lee practice?
Sinjin Lee, M.D. is based in Costa Mesa, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Sinjin Lee's NPI number?
Sinjin Lee's National Provider Identifier (NPI) is 1447292545, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
Where did Sinjin Lee go to medical school?
Sinjin Lee, M.D. attended Albert Einstein College of Medicine of Yeshiva University, graduating in 2002.
How many Internal Medicine providers in California work at ambulatory surgery centers?
209 Internal Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Sinjin Lee among them. The California Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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