MARY THOMPSON PIERCE ARNP
NPI 1326256959
Nurse Practitioner - Adult Health in Vancouver, WA
About Mary Thompson Pierce Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY THOMPSON PIERCE ARNP (NPI 1326256959) is an individual adult health provider in Vancouver, Washington, licensed in Washington (AP 30002199) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
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)
Mary Thompson Pierce Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Pierce reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1871848457 (Washington)
- 3,207 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 98684 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mary Pierce's NPI number?
The NPI number for Mary Pierce is 1326256959. It was assigned to this individual provider in the NPPES registry on May 18, 2007. The provider is also known as Mary Thompson Deal Arnp.
Where is Mary Pierce located?
Mary Pierce practices at 315 SE Stonemill Dr Ste 200, Vancouver, WA 98684. The listed phone number is (360) 836-3320.
What is Mary Pierce's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Mary Pierce enrolled in Medicare?
Yes. Mary Pierce is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Pierce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Pierce reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, OR). 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 Mary Pierce's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Pierce accept?
Health plans from Kaiser Permanente list Mary Pierce 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 Mary Pierce was last updated on February 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mary Thompson Pierce, ARNP · NPI 1326256959
Adult Health physician in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since May 18, 2007.
## Identity
- **NPI:** 1326256959 (Entity type: Individual)
- **Enumerated:** May 18, 2007
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** AP 30002199 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 315 SE STONEMILL DR STE 200, Vancouver, WA 98684-6903
- **Phone:** (360) 836-3320
## 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:** Kaiser Foundation Health Plan Of The Northwest (NPI 1093043424, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1326256959) · Data from the CMS NPPES public registry.