MEGHAN EILEEN GREENFIELD M.D.
NPI 1841581576
Internal Medicine - Rheumatology in Seattle, WA
About Meghan Eileen Greenfield M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGHAN EILEEN GREENFIELD M.D. (NPI 1841581576) is an individual rheumatology provider in Seattle, Washington, licensed in Washington (MD60497788) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Swedish Edmonds Hospital, and is a graduate of New York Medical College (2011).
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
Meghan Eileen Greenfield M.d. 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 Meghan Greenfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Edna Bay, AK 99901
- Reassigned Medicare billing, Texas enrollment
- 640 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 7
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.
Swedish Edmonds Hospital
Acute Care Hospitals · Edmonds, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAOlympic Medical Center
Acute Care Hospitals · Port Angeles, WASwedish Issaquah
Acute Care Hospitals · Issaquah, WAJefferson Healthcare
Critical Access Hospitals · Port Townsend, 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Meghan Greenfield's NPI number?
The NPI number for Meghan Greenfield is 1841581576. It was assigned to this individual provider in the NPPES registry on April 28, 2011.
Where is Meghan Greenfield located?
Meghan Greenfield practices at 515 Minor Ave Suite 300, Seattle, WA 98104. The listed phone number is (206) 386-9500.
What is Meghan Greenfield's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Meghan Greenfield enrolled in Medicare?
Yes. Meghan Greenfield 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 Meghan Greenfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Meghan Greenfield reassigns Medicare benefits to 2 organizations: Swedish Health Services (Seattle, WA) and Southeast Alaska Regional Health Consortium (Edna Bay, AK). 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 Meghan Greenfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Meghan Greenfield accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Meghan Greenfield 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 Meghan Greenfield affiliated with any hospitals?
According to CMS data, Meghan Greenfield is affiliated with Swedish Edmonds Hospital, Swedish Medical Center, Olympic Medical Center, Swedish Issaquah and Jefferson Healthcare.
When was this NPI record last updated?
The NPPES record for Meghan Greenfield was last updated on May 25, 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.
# Meghan Eileen Greenfield, M.D. · NPI 1841581576
Rheumatology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 28, 2011.
## Identity
- **NPI:** 1841581576 (Entity type: Individual)
- **Enumerated:** April 28, 2011
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** MD60497788 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 MINOR AVE, SUITE 300, Seattle, WA 98104-2120
- **Phone:** (206) 386-9500 · **Fax:** (206) 386-9605
## 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): Swedish Health Services (NPI 1689612954, Seattle, WA); Southeast Alaska Regional Health Consortium (NPI 1518403906, Edna Bay, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2011
## Record status
- **NPPES last updated:** May 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1841581576) · Data from the CMS NPPES public registry.