Marielle MahanMD
Marielle Mahan, MD is an Ophthalmology provider in Bethesda, MD, as of July 2026.
- NPI1487115010
- Registered2019
- Class of2019
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Marielle Mahan at a glance
- Provider
- Marielle Mahan
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Bethesda, MD
- Medical school
- Georgetown University School of Medicine
- Graduated
- 2019
- NPI registered
- 2019
- NPI
- 1487115010
- 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 Marielle Mahan practice?
Marielle Mahan, MD is based in Bethesda, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marielle Mahan's NPI number?
Marielle Mahan's National Provider Identifier (NPI) is 1487115010, registered in 2019. Specialty on record: Ophthalmology; credential MD.
Where did Marielle Mahan go to medical school?
Marielle Mahan, MD attended Georgetown University School of Medicine, graduating in 2019.
How many Ophthalmology providers in Maryland work at ambulatory surgery centers?
223 Ophthalmology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Marielle Mahan among them. The Maryland Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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