What is Katharine Stiers's NPI number?

Katharine Stiers's National Provider Identifier (NPI) is 1235716853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katharine Stiers's specialty?

Katharine Stiers is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Katharine Stiers located?

Katharine Stiers's practice location on file with NPPES is 402 S 12th Ave, Yakima, WA 98902-3115.

What is Katharine Stiers's phone number?

The practice phone number listed in the NPPES registry for Katharine Stiers is (509) 575-0114.

Does Katharine Stiers accept Medicare?

Katharine Stiers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Katharine Stiers's NPI active?

Yes — Katharine Stiers's NPI (1235716853) is active in the NPPES registry as of the last update on 2024-08-27.

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Katharine Stiers, MD

NPI 1235716853 · Pediatrics Physician · Yakima, WA

Katharine Stiers, MD is a Pediatrics Physician provider in Yakima, WA (NPI 1235716853).

Provider details

NPI number: 1235716853
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: ML61165277 (WA)

Practice location

402 S 12th Ave

Yakima, WA 98902-3115

Phone: (509) 575-0114

Fax: (509) 452-5224

Street-level locationGet directions

More WA providers

Mailing address

501 S 5th Ave

Yakima, WA 98902-3550

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense MD61533491 (WA)
Allopathic & Osteopathic Physicians
Pediatrics Physician208000000XLicense ML61165277 (WA)
Allopathic & Osteopathic Physicians

Additional practice locations (1)

4800 Sand Point Way Ne, Oc.7.830
Seattle, WA 98105-3901
Phone: (206) 987-2525

Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(68/100 index)

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

Registry tenure38% of score
5 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.

Enumerated: 2021-03-28
Last updated: 2024-08-27
Certified: 2024-08-27

Frequently asked questions

What is Katharine Stiers's NPI number?: Katharine Stiers's National Provider Identifier (NPI) is 1235716853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Katharine Stiers's specialty?: Katharine Stiers is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is Katharine Stiers located?: Katharine Stiers's practice location on file with NPPES is 402 S 12th Ave, Yakima, WA 98902-3115.
What is Katharine Stiers's phone number?: The practice phone number listed in the NPPES registry for Katharine Stiers is (509) 575-0114.
Does Katharine Stiers accept Medicare?: Katharine Stiers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Katharine Stiers's NPI active?: Yes — Katharine Stiers's NPI (1235716853) is active in the NPPES registry as of the last update on 2024-08-27.

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

Additional practice locations (1)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (1)

Profile Score

Frequently asked questions