KATHRYN HRYNIEWICZ
NPI 1669748604
Pediatrics in Pullman, WA
About Kathryn Hryniewicz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN HRYNIEWICZ (NPI 1669748604) is an individual pediatrics provider in Pullman, Washington, licensed in Washington (MD60577173) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathryn Hryniewicz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathryn Hryniewicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pullman, WA 99163
- Reassigned Medicare billing, Washington and Idaho enrollments
- Also billed through NPI 1366446767 (Washington)
- 151 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99163 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PULLMAN, WA 99163
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kathryn Hryniewicz's NPI number?
The NPI number for Kathryn Hryniewicz is 1669748604. It was assigned to this individual provider in the NPPES registry on March 23, 2012.
Where is Kathryn Hryniewicz located?
Kathryn Hryniewicz practices at 1205 SE Professional Mall Blvd Ste 104, Pullman, WA 99163. The listed phone number is (509) 332-2605.
What is Kathryn Hryniewicz's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kathryn Hryniewicz enrolled in Medicare?
Yes. Kathryn Hryniewicz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathryn Hryniewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Hryniewicz reassigns Medicare benefits to Public Hospital District #1-A Of Whitman County (Pullman, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathryn Hryniewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Hryniewicz accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Kathryn Hryniewicz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kathryn Hryniewicz was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kathryn Hryniewicz · NPI 1669748604
Pediatrics physician in Pullman, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2012.
## Identity
- **NPI:** 1669748604 (Entity type: Individual)
- **Enumerated:** March 23, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD60577173 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1205 SE PROFESSIONAL MALL BLVD STE 104, Pullman, WA 99163-5423
- **Phone:** (509) 332-2605
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Public Hospital District #1-A Of Whitman County (NPI 1881475051, Pullman, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1669748604) · Data from the CMS NPPES public registry.