DR. GRANT ELLIS ANDREWS DO
NPI 1396321741
Internal Medicine in Marysville, WA
About Dr. Grant Ellis Andrews Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRANT ELLIS ANDREWS DO (NPI 1396321741) is an individual internal medicine provider in Marysville, Washington, licensed in Washington (OP61521557) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Grant Ellis Andrews Do 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 Grant Andrews reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 1,285 clinicians in this Medicare group
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 911 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Regional Medical Center Everett
Acute Care Hospitals · Everett, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98271 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.
MARYSVILLE, WA 98271
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 Grant Andrews's NPI number?
The NPI number for Grant Andrews is 1396321741. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Grant Andrews located?
Grant Andrews practices at 2901 174th St NE, Marysville, WA 98271. The listed phone number is (360) 454-1900.
What is Grant Andrews's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Grant Andrews enrolled in Medicare?
Yes. Grant Andrews 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 Grant Andrews's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Andrews reassigns Medicare benefits to 2 organizations: Optum Care Washington PLLC (Arlington, WA) and The Polyclinic PLLC (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 Grant Andrews's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Andrews accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Grant Andrews 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 Grant Andrews affiliated with any hospitals?
According to CMS data, Grant Andrews is affiliated with Providence Regional Medical Center Everett.
When was this NPI record last updated?
The NPPES record for Grant Andrews was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Grant Ellis Andrews, DO · NPI 1396321741
Internal Medicine physician in Marysville, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2021.
## Identity
- **NPI:** 1396321741 (Entity type: Individual)
- **Enumerated:** March 23, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OP61521557 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 2901 174TH ST NE, Marysville, WA 98271-4743
- **Phone:** (360) 454-1900
## 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): Optum Care Washington PLLC (NPI 1366154304, Arlington, WA); The Polyclinic PLLC (NPI 1174594634, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396321741) · Data from the CMS NPPES public registry.