What is Ik Hyun Choi's NPI number?

Ik Hyun Choi's National Provider Identifier (NPI) is 1639015621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ik Hyun Choi's specialty?

Ik Hyun Choi is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).

Where is Ik Hyun Choi located?

Ik Hyun Choi's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.

What is Ik Hyun Choi's phone number?

The practice phone number listed in the NPPES registry for Ik Hyun Choi is (216) 444-2200.

Is Ik Hyun Choi's NPI active?

Yes — Ik Hyun Choi's NPI (1639015621) is active in the NPPES registry as of the last update on 2026-04-24.

IndividualActive

Ik Hyun Choi

NPI 1639015621 · Critical Care Medicine Registered Nurse · Cleveland, OH

Ik Hyun Choi is a Critical Care Medicine Registered Nurse provider in Cleveland, OH (NPI 1639015621).

Provider details

NPI number: 1639015621
Entity type: Individual
Primary specialty: Critical Care Medicine Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: No
License: 545048 (OH)

Specialties & taxonomies

Critical Care Medicine Registered NursePrimary163WC0200XLicense 545048 (OH)
Nursing Service Providers

Profile Score

Established profile(53/100 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

9500 Euclid Ave

Cleveland, OH 44195-0001

Phone: (216) 444-2200

Street-level locationGet directions

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Mailing address