ADITYA DASH MD
NPI 1821021569
Anesthesiology in Seattle, WA
About Aditya Dash Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADITYA DASH MD (NPI 1821021569) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD00045521) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of University Of Vermont College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Aditya Dash 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 Reassignments
2Medicare enrollment records show Aditya Dash 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
- Medicare enrollment name: Physicians Anesthesia Service PLLC
- 233 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 152 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 10
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.
Swedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WAMedicare 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.
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Aditya Dash's NPI number?
The NPI number for Aditya Dash is 1821021569. It was assigned to this individual provider in the NPPES registry on July 8, 2006.
Where is Aditya Dash located?
Aditya Dash practices at 1229 Madison St Ste 1440, Seattle, WA 98104. The listed phone number is (206) 625-0578.
What is Aditya Dash's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Aditya Dash enrolled in Medicare?
Yes. Aditya Dash 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 Aditya Dash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aditya Dash reassigns Medicare benefits to 2 organizations: Proliance Surgeons, Inc., P.S. (Seattle, WA) and Pacific Anesthesia PC (Tacoma, WA). 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 Aditya Dash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aditya Dash affiliated with any hospitals?
According to CMS data, Aditya Dash is affiliated with Swedish Medical Center / Cherry Hill.
When was this NPI record last updated?
The NPPES record for Aditya Dash was last updated on October 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Aditya Dash, MD · NPI 1821021569
Anesthesiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since July 8, 2006.
## Identity
- **NPI:** 1821021569 (Entity type: Individual)
- **Enumerated:** July 8, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD00045521 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1229 MADISON ST STE 1440, Seattle, WA 98104-3538
- **Phone:** (206) 625-0578
## 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): Proliance Surgeons, Inc., P.S. (NPI 1811936990, Seattle, WA); Pacific Anesthesia PC (NPI 1497796452, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** October 2, 2009
- **Other identifiers:** Medicare ID-Type Unspecified 8856657; Other 0058DA; Medicare UPIN I06653; and 3 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1821021569) · Data from the CMS NPPES public registry.