CASEY L BULLER CRNA
NPI 1457656589
Nurse Anesthetist, Certified Registered in Seattle, WA
About Casey L Buller Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY L BULLER CRNA (NPI 1457656589) is an individual nurse anesthetist, certified registered in Seattle, Washington, licensed in Washington (AP60341798) and active in the NPI registry since January 2011. He is affiliated with Dunes Surgical Hospital and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Casey L Buller Crna 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 Casey Buller reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- 52 clinicians in this Medicare group
Sioux Falls, SD 57104
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1316946809 (South Dakota)
- 13 clinicians in this Medicare group
Dakota Dunes, SD 57049
- Reassigned Medicare billing, South Dakota enrollment
- 62 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Dunes Surgical Hospital
Acute Care Hospitals · Dakota Dunes, SDSioux Falls Specialty Hospital
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDPhysician 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 Casey Buller's NPI number?
The NPI number for Casey Buller is 1457656589. It was assigned to this individual provider in the NPPES registry on January 21, 2011.
Where is Casey Buller located?
Casey Buller practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3059.
What is Casey Buller's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Casey Buller enrolled in Medicare?
Yes. Casey Buller 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 Casey Buller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Buller reassigns Medicare benefits to 4 organizations: Avera Mckennan (Pierre, SD), Heart Hospital Of South Dakota LLC (Sioux Falls, SD), Sioux Falls Specialty Hospital, LLP (Sioux Falls, SD) and Siouxland Anesthesiology, Ltd (Dakota Dunes, SD). 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 Casey Buller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Casey Buller accept?
Health plans from Avera Health Plans, Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Casey Buller 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 Casey Buller affiliated with any hospitals?
According to CMS data, Casey Buller is affiliated with Dunes Surgical Hospital, Sioux Falls Specialty Hospital and Avera Heart Hospital Of South Dakota.
When was this NPI record last updated?
The NPPES record for Casey Buller was last updated on June 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Casey L Buller, CRNA · NPI 1457656589
Nurse Anesthetist, Certified Registered physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 21, 2011.
## Identity
- **NPI:** 1457656589 (Entity type: Individual)
- **Enumerated:** January 21, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP60341798 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 744-3059
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Avera Mckennan (NPI 1780829283, Pierre, SD); Heart Hospital Of South Dakota LLC (NPI 1023003969, Sioux Falls, SD); Sioux Falls Specialty Hospital, LLP (NPI 1891043550, Sioux Falls, SD); Siouxland Anesthesiology, Ltd (NPI 1669496337, Dakota Dunes, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 17, 2013
- **Other identifiers:** Medicare PIN 8918044 (WA); Medicaid 1457656589 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457656589) · Data from the CMS NPPES public registry.