DR. AARON DANIEL ANDERSON D.O.
NPI 1003057381
Internal Medicine in Toppenish, WA
About Dr. Aaron Daniel Anderson D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON DANIEL ANDERSON D.O. (NPI 1003057381) is an individual internal medicine provider in Toppenish, Washington, licensed in Washington (OP60069390) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and maintains a secondary practice location in Toppenish.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Aaron Daniel Anderson 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 Anderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Toppenish, WA 98948
- Reassigned Medicare billing, Washington enrollment
- 252 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Yakima Valley Memorial
Acute Care Hospitals · Yakima, WAAstria Toppenish Hospital
Acute Care Hospitals · Toppenish, WAAstria Sunnyside Hospital
Critical Access Hospitals · Sunnyside, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98948 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
TOPPENISH, WA 98948
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 Anderson's NPI number?
The NPI number for Aaron Anderson is 1003057381. It was assigned to this individual provider in the NPPES registry on March 16, 2009.
Where is Aaron Anderson located?
Aaron Anderson practices at 510 W 1st Ave, Toppenish, WA 98948. The listed phone number is (509) 865-5600.
What is Aaron Anderson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Aaron Anderson enrolled in Medicare?
Yes. Aaron Anderson 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 Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Anderson reassigns Medicare benefits to Yakima Valley Farm Workers Clinic (Toppenish, 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 Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Anderson accept?
Health plans from Ambetter Health, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Aaron Anderson 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 Anderson affiliated with any hospitals?
According to CMS data, Aaron Anderson is affiliated with Yakima Valley Memorial, Astria Toppenish Hospital and Astria Sunnyside Hospital.
When was this NPI record last updated?
The NPPES record for Aaron Anderson was last updated on March 2, 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.
# Dr. Aaron Daniel Anderson, D.O. · NPI 1003057381
Internal Medicine physician in Toppenish, Washington. Individual provider, active in the CMS NPPES registry since March 16, 2009.
## Identity
- **NPI:** 1003057381 (Entity type: Individual)
- **Enumerated:** March 16, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OP60069390 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 510 W 1ST AVE, Toppenish, WA 98948-1564
- **Phone:** (509) 865-5600 · **Fax:** (509) 865-5783
## 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:** Yakima Valley Farm Workers Clinic (NPI 1508817313, Toppenish, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2006
## Record status
- **NPPES last updated:** March 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1003057381) · Data from the CMS NPPES public registry.