Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Katherine Diem Anh Loi, OD

Individual provider Optometrist · NPI 1689558272

Dr. Katherine Diem Anh Loi, OD is an Optometrist in Bel Air, Maryland. Licensed in Maryland and New York. Registered with an NPI since 2025.

Licensed in
MD, NY
In the registry since
2025
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

2316 Arthurs Woods Dr
Bel Air, MD 21015-8926
Phone: (410) 569-8258
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence ORT011227 (NY)
Optometrist Taxonomy 152W00000X · Licence 3105 (MD)

Record details

NPI number1689558272
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 5, 2025
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

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