What is Len Koh's NPI number?

Len Koh's National Provider Identifier (NPI) is 1710997440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Len Koh's specialty?

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

Where is Len Koh located?

Len Koh's practice location on file with NPPES is 5601 E Sprague Ave, Spokane Valley, WA 99212-0826.

What is Len Koh's phone number?

The practice phone number listed in the NPPES registry for Len Koh is (509) 842-0003.

Is Len Koh's NPI active?

Yes — Len Koh's NPI (1710997440) is active in the NPPES registry as of the last update on 2021-10-21.

IndividualActive

Len Koh, O.D.

NPI 1710997440 · Optometrist · Spokane Valley, WA

Len Koh, O.D. is a Optometrist provider in Spokane Valley, WA (NPI 1710997440).

Provider details

NPI number: 1710997440
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 60731390 (WA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 60731390 (WA)
Eye and Vision Services Providers

Profile Score

Detailed profile(95/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

5601 E Sprague Ave

Spokane Valley, WA 99212-0826

Phone: (509) 842-0003

Street-level locationGet directions

More WA providers

Mailing address

2804 W Parkway Dr

Spokane, WA 99208-6393

Additional practice locations (1)

4815 N Assembly St
Spokane, WA 99205-6185
Phone: (509) 434-7032
Fax: (509) 434-7132

Enumerated: 2006-08-08
Last updated: 2021-10-21
Certified: 2021-10-21

Frequently asked questions

What is Len Koh's NPI number?: Len Koh's National Provider Identifier (NPI) is 1710997440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Len Koh's specialty?: Len Koh is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is Len Koh located?: Len Koh's practice location on file with NPPES is 5601 E Sprague Ave, Spokane Valley, WA 99212-0826.
What is Len Koh's phone number?: The practice phone number listed in the NPPES registry for Len Koh is (509) 842-0003.
Is Len Koh's NPI active?: Yes — Len Koh's NPI (1710997440) is active in the NPPES registry as of the last update on 2021-10-21.

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