DR. GREYS CAROLINA WEISBEIN M.D.
NPI 1689815599
Anesthesiology in Everett, WA
About Dr. Greys Carolina Weisbein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREYS CAROLINA WEISBEIN M.D. (NPI 1689815599) is an individual anesthesiology provider in Everett, Washington, licensed in Washington (MD60396592) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
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. Greys Carolina Weisbein 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
4Medicare enrollment records show Greys Weisbein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Providence Wa Anesthesia Services, PC
- 171 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
Boulder, CO 80303
- Reassigned Medicare billing, Colorado enrollment
- 93 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 971 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.
Providence Regional Medical Center Everett
Acute Care Hospitals · Everett, WAOther 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 Greys Weisbein's NPI number?
The NPI number for Greys Weisbein is 1689815599. It was assigned to this individual provider in the NPPES registry on March 23, 2009.
Where is Greys Weisbein located?
Greys Weisbein practices at 1321 Colby Ave, Everett, WA 98201. The listed phone number is (425) 261-2000.
What is Greys Weisbein's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Greys Weisbein enrolled in Medicare?
Yes. Greys Weisbein 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 Greys Weisbein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greys Weisbein reassigns Medicare benefits to 4 organizations: Providence Wa Anesthesia Services, P.C. (Everett, WA), Anesthesia & Analgesia Medical Group, Inc. (Santa Rosa, CA), Boulder Valley Anesthesiology, PLLC (Boulder, CO) and Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO). 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 Greys Weisbein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Greys Weisbein affiliated with any hospitals?
According to CMS data, Greys Weisbein is affiliated with Providence Regional Medical Center Everett.
When was this NPI record last updated?
The NPPES record for Greys Weisbein was last updated on December 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Greys Carolina Weisbein, M.D. · NPI 1689815599
Anesthesiology physician in Everett, Washington. Individual provider, active in the CMS NPPES registry since March 23, 2009.
## Identity
- **NPI:** 1689815599 (Entity type: Individual)
- **Enumerated:** March 23, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD60396592 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1321 COLBY AVE, Everett, WA 98201-1665
- **Phone:** (425) 261-2000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Providence Wa Anesthesia Services, P.C. (NPI 1669615894, Everett, WA); Anesthesia & Analgesia Medical Group, Inc. (NPI 1659320984, Santa Rosa, CA); Boulder Valley Anesthesiology, PLLC (NPI 1962431668, Boulder, CO); Us Anesthesia Partners Of Colorado Inc. (NPI 1922365782, Greenwood Village, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** December 11, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1689815599) · Data from the CMS NPPES public registry.