AARON DARAIS D.O.
NPI 1891109948
Anesthesiology in Spokane, WA
About Aaron Darais D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON DARAIS D.O. (NPI 1891109948) is an individual anesthesiology provider in Spokane, Washington, licensed in Washington (OP60846852) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Deaconess Medical Center, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2014).
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
Aaron Darais D.o. 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 Aaron Darais reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 102 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Deaconess Medical Center
Acute Care Hospitals · Spokane, WAMulticare Valley Hospital
Acute Care Hospitals · Spokane, 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.
SPOKANE, WA 99204
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 Aaron Darais's NPI number?
The NPI number for Aaron Darais is 1891109948. It was assigned to this individual provider in the NPPES registry on June 17, 2014.
Where is Aaron Darais located?
Aaron Darais practices at 800 W 5th Ave, Spokane, WA 99204. The listed phone number is (509) 458-5800.
What is Aaron Darais's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Aaron Darais enrolled in Medicare?
Yes. Aaron Darais 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 Aaron Darais's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Darais reassigns Medicare benefits to Anesthesia Associates, Ps (Spokane, 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 Aaron Darais's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Darais accept?
Health plans from Ambetter Health list Aaron Darais 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 Aaron Darais affiliated with any hospitals?
According to CMS data, Aaron Darais is affiliated with Deaconess Medical Center and Multicare Valley Hospital.
When was this NPI record last updated?
The NPPES record for Aaron Darais was last updated on January 28, 2019. 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.
# Aaron Darais, D.O. · NPI 1891109948
Anesthesiology physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since June 17, 2014.
## Identity
- **NPI:** 1891109948 (Entity type: Individual)
- **Enumerated:** June 17, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** OP60846852 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 800 W 5TH AVE, Spokane, WA 99204-2803
- **Phone:** (509) 458-5800
## 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:** Anesthesia Associates, Ps (NPI 1831143254, Spokane, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2014
## Record status
- **NPPES last updated:** January 28, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1891109948) · Data from the CMS NPPES public registry.