Mary LienM.D.
Dermatology·Riverside, CA
Mary Lien, M.D. is a Dermatology provider in Riverside, CA, as of July 2026.
- NPI1417016544
- Registered2006
- Class of1992
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Mary Lien at a glance
- Provider
- Mary Lien
- Credential
- M.D.
- Specialty
- Dermatology
- Location
- Riverside, CA
- Medical school
- Duke University School of Medicine
- Graduated
- 1992
- NPI registered
- 2006
- NPI
- 1417016544
- 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 Mary Lien practice?
Mary Lien, M.D. is based in Riverside, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mary Lien's NPI number?
Mary Lien's National Provider Identifier (NPI) is 1417016544, registered in 2006. Specialty on record: Dermatology; credential M.D.
Where did Mary Lien go to medical school?
Mary Lien, M.D. attended Duke University School of Medicine, graduating in 1992.
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, Mary Lien among them. The California Dermatology directory lists each one by city with credential, NPI, and center affiliations.
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