Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marielle Mahan, MD

Individual provider Ophthalmic Plastic and Reconstructive Surgery Physician · NPI 1487115010

Marielle Mahan, MD is an Ophthalmology in Bethesda, Maryland. Graduated from Georgetown University School of Medicine in 2019, 7 years ago. Practices with Visionary Ophthalmology LLC, a 17-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in District of Columbia and Maryland.

Years since qualifying
7
Trained at
Georgetown University School of Medicine
Licensed in
DC, MD
In the registry since
2019
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5612 Shields Dr
Bethesda, MD 20817-3532
Phone: (301) 571-4334
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 4301 Connecticut Ave Nw Ste 125, Washington, DC 20008-2332 — (301) 896-0890
  • 811 Russell Ave Ste H, Gaithersburg, MD 20879-3510 — (301) 571-4334

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence D0103387 (MD)
Ophthalmic Plastic and Reconstructive Surgery Physician Taxonomy 207WX0200X · Licence D0103387 (MD)
Ophthalmic Plastic and Reconstructive Surgery Physician Taxonomy 207WX0200X · Licence MD600004334 (DC)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD600004334 (DC)

Record details

NPI number1487115010
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2019
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Visionary Ophthalmology Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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