DR. SANDRA A HORVATH-DORI M.D.
NPI 1689666927
Internal Medicine - Rheumatology in Kennewick, WA
About Dr. Sandra A Horvath-dori M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SANDRA A HORVATH-DORI M.D. (NPI 1689666927) is an individual rheumatology provider in Kennewick, Washington, licensed in Washington (MD61187446) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with St James Healthcare, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Sandra A Horvath-dori 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
3Medicare enrollment records show Sandra Horvath-dori reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- 454 clinicians in this Medicare group
Anaconda, MT 59711
- Reassigned Medicare billing, Montana enrollment
- 104 clinicians in this Medicare group
Basalt, CO 81621
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1518960814 (Colorado)
- 82 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 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St James Healthcare
Acute Care Hospitals · Butte, MTBarrett Hospital & Healthcare
Critical Access Hospitals · Dillon, MTCommunity Hospital Of Anaconda
Critical Access Hospitals · Anaconda, MTProvidence St Mary Medical Center
Acute Care Hospitals · Walla Walla, WAKadlec Regional Medical Center
Acute Care Hospitals · Richland, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99336 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KENNEWICK, WA 99336
KENNEWICK, WA 99336
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 Sandra Horvath-dori's NPI number?
The NPI number for Sandra Horvath-dori is 1689666927. It was assigned to this individual provider in the NPPES registry on August 22, 2005.
Where is Sandra Horvath-dori located?
Sandra Horvath-dori practices at 6710 W Okanogan Pl, Kennewick, WA 99336. The listed phone number is (509) 942-2528.
What is Sandra Horvath-dori's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Sandra Horvath-dori enrolled in Medicare?
Yes. Sandra Horvath-dori 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 Sandra Horvath-dori's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Horvath-dori reassigns Medicare benefits to 3 organizations: Kadlec Regional Medical Center (Richland, WA), Community Hospital Of Anaconda (Anaconda, MT) and Aspen Valley Hospital District (Basalt, 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 Sandra Horvath-dori's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Horvath-dori accept?
Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Montana, CareSource, Cigna Healthcare and Moda Health Plan, Inc. and 3 other insurers list Sandra Horvath-dori 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 Sandra Horvath-dori affiliated with any hospitals?
According to CMS data, Sandra Horvath-dori is affiliated with St James Healthcare, Barrett Hospital & Healthcare, Community Hospital Of Anaconda, Providence St Mary Medical Center and Kadlec Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Sandra Horvath-dori was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.