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DR. KATHERINE DIEM ANH LOI OD
NPI 1689558272
Optometrist in Bel Air, MD

Active since August 05, 2025
2316 ARTHURS WOODS DR, BEL AIR, MD 21015(410) 569-8258 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Katherine Diem Anh Loi Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHERINE DIEM ANH LOI OD (NPI 1689558272) is an individual optometrist in Bel Air, Maryland, licensed in New York (ORT011227) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1689558272
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. KATHERINE DIEM ANH LOICredential: OD
Location Address2316 ARTHURS WOODS DRBel Air, MD 21015-8926
Mailing Address2316 Arthurs Woods DrBel Air, MD 21015-8926 · (410) 569-8258
Phone(410) 569-8258
Sole ProprietorNo
Enumeration DateAugust 5, 2025
NPPES CertifiedAugust 5, 2025
✔ NPI 1689558272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in NY · ORT011227✔ Licensed in MD · 3105
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2316 ARTHURS WOODS DR, Bel Air, MD 21015
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Loi's NPI number?

The NPI number for Katherine Loi is 1689558272. It was assigned to this individual provider in the NPPES registry on August 5, 2025.

Where is Katherine Loi located?

Katherine Loi practices at 2316 Arthurs Woods Dr, Bel Air, MD 21015. The listed phone number is (410) 569-8258.

What is Katherine Loi's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

What insurance does Katherine Loi accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Katherine Loi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Loi was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.