What is Dongwuk Koh's NPI number?

Dongwuk Koh's National Provider Identifier (NPI) is 1285047886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dongwuk Koh's specialty?

Dongwuk Koh is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).

Where is Dongwuk Koh located?

Dongwuk Koh's practice location on file with NPPES is 4790 Irvine Blvd Suit 105-180, Irvine, CA 92620.

What is Dongwuk Koh's phone number?

The practice phone number listed in the NPPES registry for Dongwuk Koh is (562) 677-5541.

Is Dongwuk Koh's NPI active?

Yes — Dongwuk Koh's NPI (1285047886) is active in the NPPES registry as of the last update on 2014-06-11.

IndividualActive

Dongwuk Koh

NPI 1285047886 · Optician · Irvine, CA

Dongwuk Koh is a Optician provider in Irvine, CA (NPI 1285047886).

Provider details

NPI number: 1285047886
Entity type: Individual
Primary specialty: OpticianEye and Vision Services Providers
Sex: Male
Sole proprietor: Yes
License: 195239 (CA)

Practice location

4790 Irvine Blvd Suit 105-180

Irvine, CA 92620

Phone: (562) 677-5541

Fax: (562) 202-5154

Street-level locationGet directions

More CA providers

Mailing address

4790 Irvine Blvd Ste 105-180

Irvine, CA 92620-1973

Specialties & taxonomies

OpticianPrimary156FX1800XLicense 195239 (CA)
Eye and Vision Services Providers

Profile Score

Detailed profile(76/100 index)

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

Registry tenure38% of score
12 yrs in NPPES 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.

Enumerated: 2014-06-11
Last updated: 2014-06-11

Frequently asked questions

What is Dongwuk Koh's NPI number?: Dongwuk Koh's National Provider Identifier (NPI) is 1285047886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Dongwuk Koh's specialty?: Dongwuk Koh is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).
Where is Dongwuk Koh located?: Dongwuk Koh's practice location on file with NPPES is 4790 Irvine Blvd Suit 105-180, Irvine, CA 92620.
What is Dongwuk Koh's phone number?: The practice phone number listed in the NPPES registry for Dongwuk Koh is (562) 677-5541.
Is Dongwuk Koh's NPI active?: Yes — Dongwuk Koh's NPI (1285047886) is active in the NPPES registry as of the last update on 2014-06-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions