MARIELLE CHRISTINA-SLOTHOUBER COLVIN MSN, FNP-C
NPI 1538822994
Nurse Practitioner - Family in Seattle, WA
About Marielle Christina-slothouber Colvin Msn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIELLE CHRISTINA-SLOTHOUBER COLVIN MSN, FNP-C (NPI 1538822994) is an individual family provider in Seattle, Washington, licensed in Washington (AP61227753) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Marielle Christina-slothouber Colvin Msn, Fnp-c 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 Marielle Colvin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- 1,443 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 98195 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 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Marielle Colvin's NPI number?
The NPI number for Marielle Colvin is 1538822994. It was assigned to this individual provider in the NPPES registry on October 21, 2021.
Where is Marielle Colvin located?
Marielle Colvin practices at 1959 NE Pacific St., Seattle, WA 98195. The listed phone number is (206) 520-5000.
What is Marielle Colvin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marielle Colvin enrolled in Medicare?
Yes. Marielle Colvin 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 Marielle Colvin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marielle Colvin reassigns Medicare benefits to 2 organizations: The Association Of Chrmc And University Physicians (Seattle, WA) and The Association Of University Physicians (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 Marielle Colvin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marielle Colvin accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Marielle Colvin 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 Marielle Colvin was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Marielle Christina-Slothouber Colvin, MSN, FNP-C · NPI 1538822994
Family physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 21, 2021.
## Identity
- **NPI:** 1538822994 (Entity type: Individual)
- **Enumerated:** October 21, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP61227753 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST., Seattle, WA 98195-0001
- **Phone:** (206) 520-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Association Of Chrmc And University Physicians (NPI 1255449963, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1538822994) · Data from the CMS NPPES public registry.