MRS. MARIE L HOLT ARNP
NPI 1891760641
Nurse Practitioner - Obstetrics & Gynecology in Seattle, WA
About Mrs. Marie L Holt Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARIE L HOLT ARNP (NPI 1891760641) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (AP60619678) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 and accepts Medicare assignment
Mrs. Marie L Holt Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Marie Holt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Marie Holt's NPI number?
The NPI number for Marie Holt is 1891760641. It was assigned to this individual provider in the NPPES registry on February 22, 2006. The provider is also known as Marie L Grisez.
Where is Marie Holt located?
Marie Holt practices at 1101 Madison St Ste 700, Seattle, WA 98104. The listed phone number is (206) 215-6300.
What is Marie Holt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Marie Holt enrolled in Medicare?
Yes. Marie Holt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marie Holt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Holt reassigns Medicare benefits to 2 organizations: Virginia Mason Medical Center (Seattle, WA) and Swedish Health Services (Seattle, WA). Each 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 Marie Holt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Holt accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Marie Holt 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.
Is Marie Holt affiliated with any hospitals?
According to CMS data, Marie Holt is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Marie Holt was last updated on May 21, 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.