NATHAN ELLIOT GREEN MD
NPI 1568540714
Internal Medicine - Cardiovascular Disease in Seattle, WA
About Nathan Elliot Green Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN ELLIOT GREEN MD (NPI 1568540714) is an individual cardiovascular disease provider in Seattle, Washington, licensed in Washington (MD00048321) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of University Of Washington School Of Medicine (1998).
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
Nathan Elliot Green Md 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 Reassignment
Medicare enrollment records show Nathan Green reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Areas of Expertise CMS Part B claims 11
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAUniversity Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAConfluence Health Hospital
Acute Care Hospitals · Wenatchee, WAHarborview Medical Center
Acute Care Hospitals · Seattle, WAValley Medical Center
Acute Care Hospitals · Renton, 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.
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 Nathan Green's NPI number?
The NPI number for Nathan Green is 1568540714. It was assigned to this individual provider in the NPPES registry on November 2, 2006.
Where is Nathan Green located?
Nathan Green practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.
What is Nathan Green's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Nathan Green enrolled in Medicare?
Yes. Nathan Green 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 organization bills Medicare for Nathan Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Green reassigns Medicare benefits to The Association Of University Physicians (Seattle, 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 Nathan Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathan Green accept?
Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Nathan Green 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 Nathan Green affiliated with any hospitals?
According to CMS data, Nathan Green is affiliated with Skagit Valley Hospital, University Of Washington Medical Ctr, Confluence Health Hospital, Harborview Medical Center and Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Nathan Green was last updated on December 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Nathan Elliot Green, MD · NPI 1568540714
Cardiovascular Disease physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1568540714 (Entity type: Individual)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD00048321 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **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:** The Association Of University Physicians (NPI 1023041159, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** December 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1568540714) · Data from the CMS NPPES public registry.