Julianna MarwellM.D.
Geriatric Medicine·Stanford, CA
Julianna Marwell, M.D. is a Geriatric Medicine provider in Stanford, CA, as of July 2026.
- NPI1508128075
- Registered2012
- Class of2012
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Julianna Marwell at a glance
- Provider
- Julianna Marwell
- Credential
- M.D.
- Specialty
- Geriatric Medicine
- Location
- Stanford, CA
- Medical school graduation
- 2012
- NPI registered
- 2012
- NPI
- 1508128075
- 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 Julianna Marwell practice?
Julianna Marwell, M.D. is based in Stanford, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Julianna Marwell's NPI number?
Julianna Marwell's National Provider Identifier (NPI) is 1508128075, registered in 2012. Specialty on record: Geriatric Medicine; credential M.D.
How many Geriatric Medicine providers in California work at ambulatory surgery centers?
47 Geriatric Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Julianna Marwell among them. The California Geriatric Medicine directory lists each one by city with credential, NPI, and center affiliations.
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