What is Katherine Loi's NPI number?

Katherine Loi's National Provider Identifier (NPI) is 1689558272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Loi's specialty?

Katherine Loi is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Katherine Loi located?

Katherine Loi's practice location on file with NPPES is 2316 Arthurs Woods Dr, Bel Air, MD 21015-8926.

What is Katherine Loi's phone number?

The practice phone number listed in the NPPES registry for Katherine Loi is (410) 569-8258.

Is Katherine Loi's NPI active?

Yes — Katherine Loi's NPI (1689558272) is active in the NPPES registry as of the last update on 2025-08-05.

IndividualActive

Katherine Loi, OD

NPI 1689558272 · Optometrist · Bel Air, MD

Katherine Loi, OD is a Optometrist provider in Bel Air, MD (NPI 1689558272).

Provider details

NPI number: 1689558272
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Female
Sole proprietor: No
License: 3105 (MD)

Specialties & taxonomies

OptometristPrimary152W00000XLicense ORT011227 (NY)
Eye and Vision Services Providers
Optometrist152W00000XLicense 3105 (MD)
Eye and Vision Services Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2316 Arthurs Woods Dr

Bel Air, MD 21015-8926

Phone: (410) 569-8258

Street-level locationGet directions

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Mailing address