DR. MILDRED O BAY MD
NPI 1679528178
Pediatrics in Spokane, WA
About Dr. Mildred O Bay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MILDRED O BAY MD (NPI 1679528178) is an individual pediatrics provider in Spokane, Washington, licensed in Washington (MD00045245) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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)
Dr. Mildred O Bay Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mildred Bay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 862 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 99218 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99218
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 Mildred Bay's NPI number?
The NPI number for Mildred Bay is 1679528178. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Mildred Bay located?
Mildred Bay practices at 1111 E Westview Ct Ste B, Spokane, WA 99218. The listed phone number is (509) 626-9430.
What is Mildred Bay's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mildred Bay enrolled in Medicare?
Yes. Mildred Bay is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mildred Bay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mildred Bay reassigns Medicare benefits to Providence Health & Services Washington (Spokane, 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 Mildred Bay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mildred Bay accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mildred Bay 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 Mildred Bay was last updated on November 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Mildred O Bay, MD · NPI 1679528178
Pediatrics physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1679528178 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD00045245 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1111 E WESTVIEW CT STE B, Spokane, WA 99218-1376
- **Phone:** (509) 626-9430 · **Fax:** (509) 227-7070
## 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:** Providence Health & Services Washington (NPI 1194099390, Spokane, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 6, 2021
- **Other identifiers:** Medicaid 8434359 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1679528178) · Data from the CMS NPPES public registry.